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Tritrichomonas fetus extracellular products decrease progressive motility of bull sperm
(Elsevier B.V., 2010-01-01)
Tritrichomonas fetus causes infertility and abortion in cattle; however, there is scarce information regarding the susceptibility of bovine sperm to this parasite. The objective of this study was to analyze in vitro the ...
Sperm subpopulations influence the pregnancy rates in cattle
(2021-01-01)
This study aimed to study the characteristics and subpopulations of spermatozoa from bulls with low and high reproductive performance based on pregnancy rates. Based on historical records of pregnancy rate from four farms, ...
Assessment of field fertility and several in vitro sperm characteristics following the use of different Angus sires in a timed-AI program with suckled Nelore cows
(Elsevier B.V., 2012-06-01)
In order to provide information that may help researchers to understand the main cause(s) of differences in bull fertility frequently observed in field trials, this study aimed to investigate conception rates as well as ...
Assessment of field fertility and several in vitro sperm characteristics following the use of different Angus sires in a timed-AI program with suckled Nelore cows
(Elsevier B.V., 2012-06-01)
In order to provide information that may help researchers to understand the main cause(s) of differences in bull fertility frequently observed in field trials, this study aimed to investigate conception rates as well as ...
Bull semen varibles after experimental exposure with Bovine Herpesvirus type 5
(Elsevier B.V., 2011-03-01)
The influence of Bovine Herpesvirus type 5 (BoHV-5) infection on semen variables and sperm morphology collected from healthy bulls with no reproductive disorder was evaluated in ten ejaculates distributed into two experimental ...
Bull semen varibles after experimental exposure with Bovine Herpesvirus type 5
(Elsevier B.V., 2011-03-01)
The influence of Bovine Herpesvirus type 5 (BoHV-5) infection on semen variables and sperm morphology collected from healthy bulls with no reproductive disorder was evaluated in ten ejaculates distributed into two experimental ...
Effects of scrotal insulation in Nellore bulls (Bos taurus indicus) on seminal quality and its relationship with in vitro fertilizing ability
(Elsevier B.V., 2008-12-01)
The objectives of this study were to assess the effects of induced testicular degeneration in Bos taurus indicus (Nellore) bulls on changes in seminal characteristics and fertilizing ability of sperm. Four Nellore bulls ...
Effects of scrotal insulation in Nellore bulls (Bos taurus indicus) on seminal quality and its relationship with in vitro fertilizing ability
(Elsevier B.V., 2008-12-01)
The objectives of this study were to assess the effects of induced testicular degeneration in Bos taurus indicus (Nellore) bulls on changes in seminal characteristics and fertilizing ability of sperm. Four Nellore bulls ...
Effects of scrotal insulation in Nellore bulls (Bos taurus indicus) on seminal quality and its relationship with in vitro fertilizing ability
(2008-01-01)
The objectives of this study were to assess the effects of induced testicular degeneration in Bos taurus indicus (Nellore) bulls on changes in seminal characteristics and fertilizing ability of sperm. Four Nellore bulls ...