Vitamin E and Fertility in the Poultry Birds;
Deficiency of Vitamin E and its Hazardous Effects by Aamir Nawab*, Shuyan Tang,
Wenchao Liu, Jiang Wu, Fahar Ibtisham, Yi Zhao, Kai Kang, Chenyu Sun, Guanghui
Li*, Mei Xiao and Lilong An* in Approaches in Poultry, Dairy & Veterinary
Sciences_ The Journal of Poultry Science
Abstract
Vitamin E plays a
significant role in growth, tissue integrity, reproduction, nervous system and
disease resistance. Fertility plays a vital role in human, animals and avian
species. But, several factor such as climatic variation, diet, minerals, and
vitamins can affect fertility. Vitamin E acts as an antioxidant and increases
disease resistance against infectious agents in animals which, in response,
increases fertility in animals and poultry birds. Vitamin E performs an
excellent role in birds including egg production, egg fertility, hatchability,
sperm motility, conception rate, and postnatal growth. Its main function is to
inhibit the production of reactive oxygen species (ROS) in the cells and
tissues. In addition, Vitamin E provides biological stability to spermatozoal
plasma membranes in male birds and maintains the egg quality in female birds by
preventing the generation of ROS. Numerous studies have described that vitamin
E deficiency reduced fertility in humans and avian species. However, very less data
is available on vitamin E supplementation and its deficiency on the fertility
of poultry birds. Therefore, this paper aim was to explore the effects of the
supplementation of vitamin E on the fertility of poultry birds in order to
understand the beneficial role of vitamin E in the maintenance of sperm and egg
qualities. This review may provide important scientific information to better
understand the mechanism of vitamin E and its possible effects on fertility
functions in the poultry species.
Keywords:
Vitamin E; Poultry;
Oxidative stress; Fertility; Antioxidant
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