The negative impact of heat stress on cattle growth, development, reproduction and
production has been quite alarming across the world. Climate change elevates earth surface …

In the current era of genomic selection, there is an increased demand to collect semen from
genomically selected sires at a young age. The objective of this study was to assess the …

Ein umfassendes Nachschlagewerk mit praktischen, maßgeblichen Informationen zu allen
Aspekten der Rindertheriogenologie Die neu überarbeitete zweite Ausgabe von Bovine …

Seasonal fluctuations of climate are considered a major factor affecting spermatogenesis
and semen quality in the bovine. Our study aimed to investigate the effect of season on …

Background: In Brazil, a higher percentage of abnormal sperm after high temperature and
relative humidity observed a higher semen volume in the rainy. The semen quality may be …

The success or failure of artificial insemination starts with the quality status of semen used,
hence, this study aimed to investigate the effects of breed, season and year on bovine …

Identification of the factors which affect the spermatic production and the quality of the
semen has a major importance in improvement of bull fertility. The aim of this study was to …

Although seasonal variations in semen quality and fertility have been studied to a
considerable extent in breeding bulls, the effect of climatic variables on sperm functional …

Abstract Nerve Growth Factor-β (NGF) is a seminal plasma protein that regulates sperm
physiology in bulls, yet its production and association with fertility remain unclear. The …

Contents The objectives of this study were to determine effects of cyfluthrin and pyrethrin
spray products, used in combination with cyfluthrin topical and ear tag applications, on bull …