Egg yolk polyunsaturated fatty acids and vitamin E content alters the tocopherol status of hatched chicks

Poultry Science
G Cherian, J Sim

Abstract

Polyunsaturated fatty acid composition and tocopherol status of newly hatched chicks from hens fed diets containing 3.5% menhaden (MO), flax (LO), palm (PO), or sunflower oils (SO) with (+T) or without tocopherols were examined. Addition of tocopherols increased (P < 0.05) the tocopherol content of eggs and hatched chick tissues. The total tocopherol content was lower (P < 0.05) in MO + T eggs than in LO + T, PO + T, or SO + T eggs. The tocopherol content of chick tissues was as follows liver > plasma > brain. Among the tocopherol-supplemented group, The MO + T chicks incorporated the lowest (P < 0.05) level of total tocopherols in the liver and plasma when compared to chicks hatched from LO + T, PO + T, or SO + T eggs. Brain tissue incorporated the lowest level of tocopherols among all the tissues examined. The fourfold increase in egg tocopherols did not alter the brain tocopherol in MO + T, LO + T, or SO + T chicks. In the MO and LO eggs, there was a significant increase (P < 0.05) in n-3 PUFA when compared with SO or PO eggs. The C22:6 n-3 content in liver and plasma was higher (P < 0.05) in chicks hatched from MO and LO eggs than in chicks hatched from PO or SO eggs. The brain tissue of MO chicks incorporated the highest (...Continue Reading

Citations

Jul 3, 2015·Journal of Animal Science and Biotechnology·Gita Cherian
Apr 21, 2018·Journal of Animal Physiology and Animal Nutrition·A KhatibjooM Zaghari
Jun 1, 2019·Journal of Animal Physiology and Animal Nutrition·Zahra RanjbarAmir Ali Karimi Torshizi

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