Heat stress in boars

Sep 30, 2021

Seasonal infertility occurs mainly in summer and results from the effects of day length and high temperature (heat stress). In fact, the reduced conception is caused partly as a result of a decrease in semen quality and libido in the boar. Some research has proven that there are negative effects of high temperature as well as of high humidity on the volume of the ejaculate and total sperm production.

The adverse effects on boar semen quality can be overcome by the supplementation of the boar diet with the micronutrients, vitamins, and the necessary essential amino acids to maximize its sperm production in the Boar Stud. For example, detailed studies found that the treatment with L-carnitine enhanced the number of mature sperm in ejaculates from boars under stress situations. Besides, betaine added to the diet tends to increase its total sperm production in the summer months.

*Magapor Technical News

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