OTOFUKE, Hokkaido--A herd of mares in foal galloped across a snow-covered ... belong to a research stock farm run by the National Livestock Breeding Center. The pregnant horses are given ...

Understanding these processes is essential for optimizing breeding strategies, improving fertility rates, and ensuring the health of both mares and ... and the sex of the foal, with spring-bred ...

A mare's first milk, called colostrum, is critical for a newborn foal. Broodmare managers and ... studied a group of pregnant mares on a single breeding farm who all had a forage-based diet ...