| Summary: | In a number of experiments, adding of Elevit feed additive in the amount of 100, 150, 200, or 250 grams per day to the basic ration of breeding boars helps to increase sperm production by 5.0, 8.6, 11.9, and 11.1% in comparison with the control group of boars. In the boars of experimental groups, qualitative parameters of sperm increased as following: sperm resistance by 6.6, 8.1, 12.3, and 11.9%; the ability of sperm cell to live outside the body by 6.0, 6.7, 7.4, and 8.1% in comparison with the control group.Adding this drug at the dose of 50, 100, 150, and 200 g to the basic diet of sows during the period of their preparation to insemination has a favorable effect on increasing the following parameters: sexual heat by 5.0, 10.0, 10.0, and 10.0%; productive insemination by 1.0, 7.1, 1.9, and 7.1%; number of piglets in a litter by 2.8, 6.6, 7.6, and 5.7% in comparison with the control group.
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