Changes in content of tocopherol and lpo products in liver of chickens and their embryos depending on level of carotenoids in the diet

O. I. Duh, S. O. Vovk

It was established that there is a close correlative link between the level of carotenoids in the diet of breeding chickens in the reproductive period and tocopherol content and lipid peroxidation products, both in their liver and liver of embryos. In particular, increasing of carotenoids in fodder for chickens from 0,92 mg to 3,68 mg per head per day in a period of intensive egg, reduces MDA and diene conjugates, and slightly increases both the content of tocopherol in the liver of adult hens and embryos liver before their hatching, which is an important biochemical mechanism in terms of prevention of oxidative stress of daily chickens.

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