EFFECT OF SEASON OF THE YEAR ON MORPHOLOGICAL INDICATORS OF BULLS’ SEMEN USED FOR IN VITRO TECHNOLOGY
Abstract
The paper presents analysis of the results of spermatozoa capacitation according to morphological indicators, obtained in different seasons of the year. It was determined that in semen obtained in the autumn-winter period, before capacitation from Lexus, Balero, Morphine, this indicator was at a lower level compared to spring-summer period. The difference made 0.1. For Barry and Rank it was on the same level. After capacitation, the teratozoospermia index improved by 0.1 in Barry and Rank bulls’ spermatozoa obtained in the autumn-winter period, and in Balero and Morphia bulls - by 0.1 in spermatozoa obtained in the spring-summer period, the teratozoospermia index did not vary in the Lexus bull.
About the Authors
A. I. Gandzha
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
L. L. Letkevich
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
V. P. Simonenko
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
I. V. Kirillova
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
Е. D. Rakovich
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
О. P. Kurak
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
N. V. Zhurina
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
М. А. Kovalchuk
Research and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Russian Federation
Russian Federation
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Review
For citations:
Gandzha A.I., Letkevich L.L., Simonenko V.P., Kirillova I.V., Rakovich Е.D., Kurak О.P., Zhurina N.V., Kovalchuk М.А. EFFECT OF SEASON OF THE YEAR ON MORPHOLOGICAL INDICATORS OF BULLS’ SEMEN USED FOR IN VITRO TECHNOLOGY. Zootechnical Science of Belarus. 2020;55(1):91-98. (In Russ.)
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