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char = g;code = 103
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char = l;code = 108
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result sql = Topical application as a method for comparing the effectiveness of insecticides against cat flea (Siphonaptera: Pulicidae).

Topical application as a method for comparing the effectiveness of insecticides against cat flea (Siphonaptera: Pulicidae).

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char = ;code = 32
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char = h;code = 104
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char = r;code = 114
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char = ;code = 32
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char = o;code = 111
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char = s;code = 115
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char = ;code = 32
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char = ;code = 32
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char = l;code = 108
char = e;code = 101
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char = .;code = 46
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char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
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char = d;code = 100
char = ;code = 32
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char = s;code = 115
char = ;code = 32
char = u;code = 117
char = s;code = 115
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char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
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char = e;code = 101
char = n;code = 110
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
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char = f;code = 102
char = ;code = 32
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char = ;code = 32
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char = ;code = 32
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char = d;code = 100
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char = i;code = 105
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char = ;code = 32
char = 1;code = 49
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char = ,;code = 44
char = ;code = 32
char = p;code = 112
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char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 1;code = 49
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char = ,;code = 44
char = ;code = 32
char = m;code = 109
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char = ;code = 32
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char = D;code = 68
char = T;code = 84
char = ;code = 32
char = 7;code = 55
char = 1;code = 49
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char = p;code = 112
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char = ,;code = 44
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char = b;code = 98
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char = 1;code = 49
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char = 0;code = 48
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char = i;code = 105
char = m;code = 109
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char = f;code = 102
char = ;code = 32
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char = ;code = 32
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char = ;code = 32
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char = ;code = 32
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result sql = A topical (micro-droplet) bioassay is described for the cat flea, Ctenocephalides felis (Bouche). Key parameters are the short carbon dioxide anesthetization and the use of 0.1 ml of acetone per flea. The method was used to compare the effectiveness of 13 insecticides. LD95 values in nanograms per flea were nitenpyram 0.68, fipronil 0.69, deltamethrin 0.70, imidacloprid 0.81, cypermethrin 5.4, fenthion 8.0, diazinon 12, permethrin 19, malathion 29, bendiocarb 170, DDT 710, propoxur 1,300, carbaryl >10,000. Experiments repeated 2-5 yr later, with five of the chemicals, in a different facility, showed only small shifts in potency (0.38- to twofold of the original LD50 values).

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