Studies on organochlorine pesticide residues in livestock products. IV. Residual organochlorine pesticide level in milk and feedstuffs

Cho, T.H.; Cho, J.H.; Whang, D.W.; Han, S.N.

Research Reports of the Office of Rural Development, Veterinary and Sericulture 21: 71-77


Accession: 000756259

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Of a total of 105 market milk samples from 5 milk plants analysed by gas chromatography, 79% contained aldrin (av. 0.0004 p.p.m.), 17% dieldrin (0.0008 p.p.m.) and 4% heptachlor (0.0246 p.p.m.). None of the samples contained detectable levels of pp'-DDT, gamma -HCH or endrin. Residue levels were also low in the various feedstuffs analysed, i.e. rice straw, commercial concentrates, silage, hay and grass. gamma -HCH and heptachlor were present in all the feed types; pp'-DDT was in all but the silage; endrin and dieldrin were only in rice straw; and aldrin was only in concentrates and hay.