Efficient and reliable semen collection is fundamental to animal breeding, conservation and studies of male fertility. Conventional methods include the use of an artificial vagina (AV) and manual ...

Ducks, to put it mildly, can be very annoying. For one thing, they're prone to bouts of aggression, attacking people at random. Their incessant quacking can get pretty irritating, too. But, beneath ...

The aim of this study was to analyze the relationship between the concentration of hormones in the seminal plasma, the bull maintenance system in the insemination station, and the regularity of sperm ...