Sent_en: 2zh Oregon State University (OSU) animal researchers in conjunction with the U.S. Department of Agriculture's (USDA) Dubois, Idaho-based Sheep Experiment Station released a report on an OSU-USDA study which was initiated in 1995 after breeders asked the government to determine why some rams bought as breeding studs showed no interest in females.
Sent_yy: 俄勒冈州立大学（OSU）动物研究人员与美国农业部（USDA）位于爱达荷州杜波依斯绵羊实验站联合发布了一份关于OSU-USDA研究的报告。该研究始于1995年，当时饲养员要求政府弄清楚为什么一些买来做种羊的公羊对雌性没有兴趣。