Understanding infertility in cows could shed light on humans' too

Anasara

"The hormonal cycles of cattle and humans are similar, she says. We also tend to have twins at about the same rate as we age. And a cow?s gestation, though about a month longer than humans?, is close enough that scientists can use cattle to learn about human physiology."

Huh; you learn something new every day:

https://www.kplu.org/post/understanding-infertility-cows-could-shed-light-humans-too