Abstract
White Leghorn hens were fed diets containing DDT (0 or 300 p.p.m.) and activated charcoal (0 or 3%) in factorial arrangement for a 30 day period to study the effects on hen performance, egg quality, embryo and progeny growth. The presence of charcoal in the diet reduced the DDT deposition in the hens’ abdominal fat and in the egg yolk. Charcoal also reduced yolk pigmentation. Neither DDT nor charcoal affected the egg weight or shell thickness. Embryo development from hens fed DDT and/or charcoal appeared normal. There were no differences in hatchability, fertility, or progeny growth related to the treatments.
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