Scientists have struggled to fully understand how male sperm cells function and why they sometimes fail to fertilize female eggs, which has implications for both livestock farmers aiming to maximize ...

Mammalian sperm cannot fertilize an egg from the get-go. It's an ability acquired only after insemination, during passage through the female reproductive tract, and requires two consecutive, ...

COLUMBIA, Mo. -- Scientists have struggled to fully understand how male sperm cells function and why they sometimes fail to fertilize female eggs, which has implications for both livestock farmers ...