breeding mare

基本解释

A grout of Yeld Liang Shan Semifinewool ewes at the breeding age and in good body condition were treated by hypodermic injection of Pregnant Mare Blood (PMB), which was made by ourselves.
用自制孕马全血对体况较好的不育、适龄凉山半细毛羊母羊进行皮下注射治疗。

Around the same time, Steens Kiger, Littleton's prized stallion--the horse had sired 20 foals a year in his prime and was the most prominent privately owned Kiger--had a breeding accident during which an ornery mare kicked him in the privates.
FORBES: Magazine Article
Furthermore, new developments in the field of microbiology seem to suggest that the mare lineage may be fare more important than the sire which is the opposite operating approach to breeding taken by most breeders.
FORBES: No American Horse Steak for You, Europeans