char = D;code = 68 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = s;code = 115 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = b;code = 98 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = R;code = 82 char = h;code = 104 char = i;code = 105 char = p;code = 112 char = i;code = 105 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = B;code = 66 char = o;code = 111 char = o;code = 111 char = p;code = 112 char = h;code = 104 char = i;code = 105 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = );code = 41 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = A;code = 65 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = i;code = 105 char = :;code = 58 char = ;code = 32 char = I;code = 73 char = x;code = 120 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = d;code = 100 char = a;code = 97 char = e;code = 101 char = );code = 41 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = L;code = 76 char = a;code = 97 char = r;code = 114 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = I;code = 73 char = m;code = 109 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = T;code = 84 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = (;code = 40 char = L;code = 76 char = I;code = 73 char = T;code = 84 char = );code = 41 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = U;code = 85 char = r;code = 114 char = u;code = 117 char = g;code = 103 char = u;code = 117 char = a;code = 97 char = y;code = 121 char = .;code = 46 result sql = Determination of the susceptibility of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) to ivermectin and fipronil by Larval Immersion Test (LIT) in Uruguay.
Determination of the susceptibility of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) to ivermectin and fipronil by Larval Immersion Test (LIT) in Uruguay.char = R;code = 82 char = h;code = 104 char = i;code = 105 char = p;code = 112 char = i;code = 105 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = B;code = 66 char = o;code = 111 char = o;code = 111 char = p;code = 112 char = h;code = 104 char = i;code = 105 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = );code = 41 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = t;code = 116 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = U;code = 85 char = r;code = 114 char = u;code = 117 char = g;code = 103 char = u;code = 117 char = a;code = 97 char = y;code = 121 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = w;code = 119 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = l;code = 108 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = o;code = 111 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = s;code = 115 char = p;code = 112 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = s;code = 115 char = y;code = 121 char = n;code = 110 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = .;code = 46 char = ;code = 32 char = R;code = 82 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = c;code = 99 char = r;code = 114 char = o;code = 111 char = c;code = 99 char = y;code = 121 char = c;code = 99 char = l;code = 108 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = M;code = 77 char = L;code = 76 char = s;code = 115 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = m;code = 109 char = i;code = 105 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = z;code = 122 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = n;code = 110 char = o;code = 111 char = t;code = 116 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = d;code = 100 char = o;code = 111 char = c;code = 99 char = u;code = 117 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;;code = 59 char = ;code = 32 char = h;code = 104 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = v;code = 118 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = r;code = 114 char = i;code = 105 char = a;code = 97 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = a;code = 97 char = r;code = 114 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = t;code = 116 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = f;code = 102 char = a;code = 97 char = i;code = 105 char = l;code = 108 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = j;code = 106 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = w;code = 119 char = o;code = 111 char = r;code = 114 char = k;code = 107 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = u;code = 117 char = d;code = 100 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = s;code = 115 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = b;code = 98 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = t;code = 116 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = U;code = 85 char = r;code = 114 char = u;code = 117 char = g;code = 103 char = u;code = 117 char = a;code = 97 char = y;code = 121 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = (;code = 40 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = u;code = 117 char = s;code = 115 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = L;code = 76 char = a;code = 97 char = r;code = 114 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = I;code = 73 char = m;code = 109 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = T;code = 84 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = (;code = 40 char = L;code = 76 char = I;code = 73 char = T;code = 84 char = );code = 41 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = M;code = 77 char = o;code = 111 char = z;code = 122 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = u;code = 117 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = s;code = 115 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = F;code = 70 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = 2;code = 50 char = 0;code = 48 char = 0;code = 48 char = 7;code = 55 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = 2;code = 50 char = 0;code = 48 char = 0;code = 48 char = 9;code = 57 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = y;code = 121 char = -;code = 45 char = e;code = 101 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = l;code = 108 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = t;code = 116 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = a;code = 97 char = r;code = 114 char = m;code = 109 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = u;code = 117 char = s;code = 115 char = e;code = 101 char = .;code = 46 char = ;code = 32 char = A;code = 65 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = b;code = 98 char = i;code = 105 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = y;code = 121 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = d;code = 100 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = -;code = 45 char = m;code = 109 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = l;code = 108 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = L;code = 76 char = C;code = 67 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = f;code = 102 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = ;code = 32 char = (;code = 40 char = R;code = 82 char = R;code = 82 char = );code = 41 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = L;code = 76 char = C;code = 67 char = (;code = 40 char = 5;code = 53 char = 0;code = 48 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = L;code = 76 char = C;code = 67 char = (;code = 40 char = 9;code = 57 char = 0;code = 48 char = );code = 41 char = ;code = 32 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = o;code = 111 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = a;code = 97 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = f;code = 102 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = e;code = 101 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = g;code = 103 char = o;code = 111 char = r;code = 114 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = y;code = 121 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = L;code = 76 char = C;code = 67 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = <;code = 60 char = b;code = 98 char = >;code = 62 char = M;code = 77 char = O;code = 79 char = Z;code = 90 char = O;code = 79 char = ;code = 32 char = S;code = 83 char = T;code = 84 char = R;code = 82 char = A;code = 65 char = I;code = 73 char = N;code = 78 char = S;code = 83 char = ;code = 32 char = W;code = 87 char = E;code = 69 char = R;code = 82 char = E;code = 69 char = ;code = 32 char = D;code = 68 char = E;code = 69 char = F;code = 70 char = I;code = 73 char = N;code = 78 char = E;code = 69 char = D;code = 68 char = :;code = 58 char = ;code = 32 char = <;code = 60 char = /;code = 47 char = b;code = 98 char = >;code = 62 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = s;code = 115 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = n;code = 110 char = o;code = 111 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = i;code = 105 char = p;code = 112 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = (;code = 40 char = 5;code = 53 char = 0;code = 48 char = );code = 41 char = <;code = 60 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = (;code = 40 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = (;code = 40 char = 5;code = 53 char = 0;code = 48 char = );code = 41 char = &;code = 38 char = #;code = 35 char = 8;code = 56 char = 8;code = 56 char = 0;code = 48 char = 5;code = 53 char = ;;code = 59 char = 2;code = 50 char = );code = 41 char = .;code = 46 char = ;code = 32 char = E;code = 69 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = t;code = 116 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = m;code = 109 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = (;code = 40 char = 5;code = 53 char = 0;code = 48 char = );code = 41 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = 1;code = 49 char = .;code = 46 char = 3;code = 51 char = 5;code = 53 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 1;code = 49 char = .;code = 46 char = 9;code = 57 char = 8;code = 56 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = L;code = 76 char = C;code = 67 char = (;code = 40 char = 5;code = 53 char = 0;code = 48 char = /;code = 47 char = 9;code = 57 char = 0;code = 48 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = M;code = 77 char = o;code = 111 char = z;code = 122 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = (;code = 40 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = i;code = 105 char = p;code = 112 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = );code = 41 char = .;code = 46 char = ;code = 32 char = H;code = 72 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = (;code = 40 char = 9;code = 57 char = 0;code = 48 char = );code = 41 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = &;code = 38 char = #;code = 35 char = 8;code = 56 char = 8;code = 56 char = 0;code = 48 char = 5;code = 53 char = ;;code = 59 char = 2;code = 50 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = f;code = 102 char = i;code = 105 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = e;code = 101 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = R;code = 82 char = R;code = 82 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = t;code = 116 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = u;code = 117 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = u;code = 117 char = l;code = 108 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = e;code = 101 char = q;code = 113 char = u;code = 117 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = t;code = 116 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = w;code = 119 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = y;code = 121 char = -;code = 45 char = s;code = 115 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = x;code = 120 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = a;code = 97 char = g;code = 103 char = n;code = 110 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = r;code = 114 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = L;code = 76 char = I;code = 73 char = T;code = 84 char = .;code = 46 char = ;code = 32 char = C;code = 67 char = r;code = 114 char = o;code = 111 char = s;code = 115 char = s;code = 115 char = -;code = 45 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = n;code = 110 char = o;code = 111 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = u;code = 117 char = r;code = 114 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = u;code = 117 char = d;code = 100 char = y;code = 121 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = R;code = 82 char = .;code = 46 char = ;code = 32 char = (;code = 40 char = B;code = 66 char = .;code = 46 char = );code = 41 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = i;code = 105 char = p;code = 112 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = I;code = 73 char = V;code = 86 char = M;code = 77 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = c;code = 99 char = e;code = 101 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = U;code = 85 char = r;code = 114 char = u;code = 117 char = g;code = 103 char = u;code = 117 char = a;code = 97 char = y;code = 121 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = Rhipicephalus (Boophilus) microplus is an important cattle pest in Uruguay, and the law regulates its control. It is resistant to organophosphates, synthetic pyrethroids and, as recently discovered, to fipronil. Resistance to macrocyclic lactones (MLs) and amitraz have not been documented; however, veterinarians and farmers have reported treatment failures. The objective of the present work was to study the susceptibility of cattle tick strains from different Uruguayan counties to ivermectin (IVM) and fipronil by using the Larval Immersion Test (LIT). The Mozo strain was used as the susceptible reference strain. From 2007 to 2009, twenty-eight tick populations were collected from different cattle farms with and without history of IVM or fipronil use. A probit analysis estimated dose-mortality regressions, lethal concentrations (LC), and confidence intervals. The resistance ratio (RR) was determined at the LC(50) and LC(90) estimates. To classify a tick population in relation to resistance, three categories based on a statistical analysis of LC and RR between field populations and MOZO STRAINS WERE DEFINED: susceptible (no differences), incipient resistance (differences and RR(50)<2) and resistant (differences and RR(50)≥2). Eighteen field populations were tested with IVM and five of them presented a RR(50) range between 1.35 and 1.98 and the LC(50/90), which is statistically different from the Mozo strain (incipient resistance). However, the RR(90) increases ≥2 in four of the populations, confirming that tick resistance to IVM is emergent. The low RR values obtained could be a result of a low frequency of treatments with IVM. Twenty-seven tick populations were tested with fipronil and six were diagnosed as resistant according to the LIT. Cross-resistance was not observed between fipronil and IVM on these tick populations. The current study presents different R. (B.) microplus populations with an incipient resistance to IVM, and indicates that the fipronil tick resistance is restricted to certain areas in Uruguay.
Publication: Vet. Parasitol. 2011 May 31 ;178(1-2)::148-55. :doi: 10.1016/j.vetpar.2010.12.035.
Publication Date: 2011 May 31
Study Author(s): Castro-Janer, E;Rifran, L;González, P;Niell, C;Piaggio, J;Gil, A;Schumaker, T T S;
Institution: Department of Parasitology, School of Veterinary Medicine, UDELAR, Uruguay.
[email protected]
Shortcut link to this study:
Rhipicephalus (Boophilus) microplus is an important cattle pest in Uruguay, and the law regulates its control. It is resistant to organophosphates, synthetic pyrethroids and, as recently discovered, to fipronil. Resistance to macrocyclic lactones (MLs) and amitraz have not been documented; however, veterinarians and farmers have reported treatment failures. The objective of the present work was to study the susceptibility of cattle tick strains from different Uruguayan counties to ivermectin (IVM) and fipronil by using the Larval Immersion Test (LIT). The Mozo strain was used as the susceptible reference strain. From 2007 to 2009, twenty-eight tick populations were collected from different cattle farms with and without history of IVM or fipronil use. A probit analysis estimated dose-mortality regressions, lethal concentrations (LC), and confidence intervals. The resistance ratio (RR) was determined at the LC(50) and LC(90) estimates. To classify a tick population in relation to resistance, three categories based on a statistical analysis of LC and RR between field populations and MOZO STRAINS WERE DEFINED: susceptible (no differences), incipient resistance (differences and RR(50)<2) and resistant (differences and RR(50)≥2). Eighteen field populations were tested with IVM and five of them presented a RR(50) range between 1.35 and 1.98 and the LC(50/90), which is statistically different from the Mozo strain (incipient resistance). However, the RR(90) increases ≥2 in four of the populations, confirming that tick resistance to IVM is emergent. The low RR values obtained could be a result of a low frequency of treatments with IVM. Twenty-seven tick populations were tested with fipronil and six were diagnosed as resistant according to the LIT. Cross-resistance was not observed between fipronil and IVM on these tick populations. The current study presents different R. (B.) microplus populations with an incipient resistance to IVM, and indicates that the fipronil tick resistance is restricted to certain areas in Uruguay.
PMID: 21277092