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Testicular Parameters and Morphological Characteristics of Testicular and Epididymal Spermatozoa of White Fulani Bulls in Nigeria
(Sociedad Chilena de Anatomía, 2006)
Angus sire field fertility and in vitro sperm characteristics following use of different sperm insemination doses in Brazilian beef cattle
(2020-04-15)
The primary objective was to determine if Angus bull fertility varied by number of sperm inseminated. A secondary objective was to characterize the potential impact of random variation on fertility using two identical sperm ...
RELATIONSHIP BETWEEN SCROTAL CIRCUMFERENCE OF NELLORE BULLS AND COW PREGNANCY RATE IN NATURAL MATING
(Inst Zootecnia, 2016-01-01)
The pregnancy rate is extremely important for the productive efficiency of beef cattle and bull fertility can influence the pregnancy rate of cows in natural mating. The objective of this study was to evaluate the relationship ...
The Effect of Season on Semen Characteristics and Freezability in Bos indicus and Bos taurus Bulls in the Southeastern Region of Brazil
(Wiley-Blackwell Publishing, Inc, 2009-08-01)
The objectives of this study were to evaluate the effects of season in southeast of Brazil comparing genotypes on semen characteristics, freezability and peripheral plasma concentrations of testosterone. Ejaculates of five ...