SPERM AND SPERMATOGENESIS BOARS BULLS OF DIFFERENT BREEDS

Authors

  • O. Kravchenko

Abstract

The article presents the results of a study of rock features spermatogenes is and sperm boars producers. Most amount of semen, such as sperm can be explained by increased division spermatohoniy processes, reducing the degeneration process during subsequent cycles of division on the one hand, and on
the other - the greater mass of the testes. Established in quantitative and qualitative semen Duroc boars predominate and Red White-Belted boar-sire.

References

Basovskyy MZ Growing, evaluat ion and use of sires / MZ Basovskyy, IA

Rudyk, VP Burkat. - K .: Vintage, 1992. - 210s.

AV Kvasnytskyy Artificial insemination pigs / AV Kvasnytskyy. - K .:

Vintage, 1983. - 188s.

V. Kovalenko Improving reproductive capacity of pigs / VF Kovalenko. -K .: Vintage, 1985. - 94s.

AA Kravchenko Relationship biomorphological indicators testes of bulls

productivity sperm boars // Bulletin of Agricultural Science of Black Sea. - 2004. -Issue 1. (25). - S.152-157.

Levin KL Fyzyolohyya pathology and reproduction pigs / KL Levin. - M

.: Rosahropromyzdat, 1990. - S.62-65.

VP Rybalko Growing and evaluation of boars / VP Rybalko. - M .:

Agropromizdat, 1990. - p.31.

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Issue

No. 202 (2014): Частина 1 (англ)

Section

Статті

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