EFFECTS OF PROGESTERONE ON CEH IN THE SLA INBRED MINIATURE PIG

SLA近交小型猪群，由有蹄类单位饲养和维护 对于免疫学分支，NCI通常产生一窝小的幼崽， 表现出各种各样的生殖问题没有发现在标准大小的 猪 一种子宫疾病，囊性子宫内膜增生症（CEH），存在于 牛群 一岁以后才繁殖的母猪， CEH的发病率和不能生育。 回归或 降低CEH的发生率， 羊群的表现。 以前的研究表明，SLA近交系 小型猪的血清孕酮水平远低于 标准尺寸的猪 长期服用 对CEH的孕酮进行研究。

The SLA inbred miniature pig herd, bred and maintained by the Ungulate Unit for the Immunology Branch, NCI typically produces a small litter and exhibits a variety of reproductive problems not found in the standard-sized pig. A uterine condition, cystic endometrial hyperplasia (CEH), exists in the herd. Sows that are not bred until after one year of age have a high incidence of CEH and are incapable of reproduction. Regression or reduction of the incidence of CEH would improve greatly the reproductive performance of the herd. Previous studies have shown the SLA inbred miniature pig has a serum progesterone level considerably lower than the standard-sized pig. The effects of long term administration of progesterone of CEH will be studied.