The effect of oral administration of pregnant cow's milk on male rat's spermatogenesis
Author(s):
Abstract:
Background
Nowadays, infertility is one of the major problems of human societies.Objectives
To study oral administration of bulk milk and milk of late pregnant cows on spermatogenesis of male rats.Methods
The first group of rats from day 1 of pregnancy until the end of lactation and then their male pups to maturity were treated with late pregnant cows milk. The second group from day 12 of pregnancy up to 15 days after delivery was treated with late pregnant cows milk. The third group of rats from day 1 of pregnancy until the end of lactation and then their male pups to maturity were treated with bulk milk. The fourth group from day 12 of pregnancy up to 15 days after delivery was treated with bulk milk. Rats in the control group during the study period were only fed with special food of rats and at the end viability, types of movement (progressive and in-place movement, immobility), number of sperms and also the serum testosterone level were elevated.Results
Administration of both types of milk had no effect on in-place movement and also viability of sperms of experimental groups but they could cause a significant increase in sperm immobility and a significant decrease in number of sperms of experimental groups. Also,the level of serum testosterone of experimental groups was significantly reduced in comparison with control group (pConclusions
Overall, it was determined consumption of late pregnant cows milk and bulk milk when it contains high estrogen can cause changes in some sperm species that are involved in male reproduction. Keywords:
Language:
Persian
Published:
Journal of Veterinary Research, Volume:72 Issue: 1, 2017
Pages:
111 to 120
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