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Hexachlorobenzene. 2. Residues in laying pullets fed HCB in their diet and the effects on egg production, egg hatchability, and on chickens

, : Hexachlorobenzene. 2. Residues in laying pullets fed HCB in their diet and the effects on egg production, egg hatchability, and on chickens. New Zealand Journal of Agricultural Research 15(3): 482-488

2. Hexachlorobenzene (HCB) was given to 4 of 5 groups of laying pullets at 0.1, 1, 10 or 100 mu g/g diet. HCB was found in the tissues in amounts roughly proportional to intake. After 6 months HCB in body fat was 21 to 31 times the concentration in the feed, and the relative HCB concentrations in fat, yolk, liver and muscle were 175, 40, 4 and 1, respectively. Up to 100 mu g HCB/g diet had not detrimental effect on general health of the pullets or on egg fertility or hatchability.


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