Pesticide Residues in Meat, Storage of Dieldrin in Tissues of Steers, Hogs, Lambs, and Poultry Fed Dieldrin in Their Diets

Abstract

of the 12-week period during which the cows were on dieldrin intake, ratios of dieldrin in fat to dieldrin in milk ranged Literature Cited(1) Claborn, . V., Wells, R. W., Agr.

Review of the Metabolism of Chlorinated Hydrocarbon Insecticides Especially in Mammals

“…The rat stores DDT in the fat at all accurately measurable or obtainable dietary levels (0.6 ppm or less) (25). Essentially the same is true for one or more species in relation to dieldrin (26) and endrin (27). On the contrary, the detectable storage of methoxychlor occurs only at dietary levels above a threshold (28,29).…”

“…Storage of DDT has been reported in every species studied. Although there is some species difference in the storage of DDT at equivalent dosages (32), it is apparently much less than the species difference in the storage of dieldrin (26).…”

“…There is some indication that the occurrence of DDT (86,87) and dieldrin (26) in other tissues is determined by their lipid content and especially by their neutral fat content. The high DDT content of yellow bone marrow (44) is almost certainly explained by the high fat content of the tissue.…”

“…The conversion occurs rapidly and is independent of route of absorption (118). Dieldrin, whether converted from aldrin (118) or absorbed directly (26,91,118), is stored unchanged.…”

Opinion of the Scientific Panel on contaminants in the food chain [CONTAM] related to aldrin and dieldrin as undesirable substance in animal feed

“…Pigs exposed to amounts of up to 2.25 mg dieldrin/kg (0.06 mg/kg b.w. per day) in diets during 12 weeks followed by six weeks on a dieldrin free ration showed no signs of illness and no abnormalities at slaughtering (Gannon et al, 1959b).…”