Litter Treatment with Malathion to Control the Chicken Body Louse1

Decontamination of Malathion from Ladino Clover Seed Screenings

“…Raun (1956) reported that no malathion residues were found in the skin, fat or meat of chickens as a result of spraying populated houses with a 1.0 percent malathion spray or dusting with a 4.0 percent dust. Harding and Quigley (1956) reported no residues of malathion in eggs after treating litter or nesting material, or application of dust directly to the egg. There is a tolerance of 4 p.p.m.…”

Pesticide Residues and Poultry Products: U.S.A. Legislation and Pertinent Research

“…Raun (1956) reported that no malathion residues were found in the skin, fat or meat of chickens as a result of spraying populated houses with a 1.0 per cent malathion spray or dusting with a 4.0 per cent dust. Harding and Quigley (1956) reported no residues of malathion in eggs after treating litter or nesting material, or application of dust directly to the egg. There is a tolerance of 4 ppm for malathion residue in poultry meat but no tolerance in eggs.…”

The Effect of Malathion on Egg Quality

“…Harding and Quigley (1956) applied Malathion dust to litter at various rates and found that it did not affect hatchability and residues were not detected in eggs. Gaafar and Turk (1956) dusted three-week-old chicks for four successive weeks with this same compound and they found it did not affect feed intake and no signs of toxicity were observed.…”