Scientists have long struggled to understand what regulates sperm “capacitation,” the vital physiological process sperm must undergo to become capable of fertilizing an egg cell. Zinc plays a critical role.
It's hard to think about when animals need to be euthanized. It’s harder when you’re the one doing it. Veterinarians are put in that position often. Think what would happen if a foreign animal disease were to hit.
Pigs from the central Alberta farm reporting the province’s first PED outbreak might be sent to market in the U.S., after local Canadian farmers voice concern about the disease contaminating slaughter sites.