Factors affecting the quality of semen of A.I. dairy bulls in South Africa

Factors affecting the quality of semen of A.I. dairy bulls in South Africa

The primary objective of this research was to study the effects of breed, age, season, and their interactions on semen morphological characteristics. The study was done on 329 bulls (271 Friesland and 58 Jersey) aged 12, 24, 36,48, 60, 72, 84, 96 and> 96 months. The collection of semen was carrie...

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Bibliographic Details
Main Author: Vilakazi, David Mxolisi
Other Authors: Webb, E.C. (Edward Cottington)
Published: University of Pretoria 2013
Subjects:
Dairy cattle breeding
Bulls quality
Semen morphology
Semen quality
UCTD
Online Access:http://hdl.handle.net/2263/27699
Vilakazi, DM 2003, Factors affecting the quality of semen of A.I. dairy bulls in South Africa, MInstAgrar dissertation, University of Pretoria, Pretoria, viewed yymmdd < http://hdl.handle.net/2263/27699 >
http://upetd.up.ac.za/thesis/available/etd-09022005-150724/

Internet

http://hdl.handle.net/2263/27699
Vilakazi, DM 2003, Factors affecting the quality of semen of A.I. dairy bulls in South Africa, MInstAgrar dissertation, University of Pretoria, Pretoria, viewed yymmdd < http://hdl.handle.net/2263/27699 >
http://upetd.up.ac.za/thesis/available/etd-09022005-150724/

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