Studies on organochlorine pesticide residues in livestock products. II. Organochlorine pesticide residues in milk and tissues of goats fed different pesticide levels

Cho, T.H.; Cho, J.H.; Whang, D.W.; Lee, M.H.

Research Reports of the Office of Rural Development, Korea Veterinary and Sericulture 18(12): 63-76

1976


Accession: 000511142

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Abstract
Lactating goats were fed a ration containing 1-4 ppm or 2-20 ppm of a mixture of DDT, lindane, endrin, dieldrin, aldrin and heptachlor for one month. The elimination rate of the pesticides in milk varied with dose, but the duration of elimination did not. Pesticide residues in milk and meat were not removed by pasteurization or heating at 100 deg C for 15-20 min, although the level of some residues was decreased by these treatments. In general, pesticide levels were higher in adipose tissue than in muscle and internal organs, but the reverse was true for dieldrin, and aldrin was more readily accumulated in muscle than in adipose tissue or internal organs. (The average concentrations of pesticide in adipose tissue was 0.079-3.535 ppm and in muscle 0.022-0.376 ppm.) Aldrin was eliminated in milk for 43 days, endrin for 22 days and the others for 29 days after withdrawal of pesticide.