美国俄罗岗州立大学家畜繁殖生理学专家吴思孝教授,应省畜牧局和畜牧兽医学会的邀请,于八月八日来我省讲学并进行学术交流活动。八月九日吴教授从动物精子组织形态、精虫生理机能、微量元素硒与动物生殖关系研究方面,采取放映幻灯形式,为我省和哈尔滨市三百多名言牧科学工作者 Professor Wu Sixiao, a professor of livestock breeding physiology at the Russian State University of Luogang, was invited by the Bureau of Animal Husbandry and Animal Husbandry and Veterinary Medicine to give lectures and conduct academic exchanges in our province on August 8. On August 9, Professor Wu took the form of screening slide for the study on the relationship between the morphology of spermatozoa, the physiological function of sperms and the relationship between trace elements selenium and animal reproduction. As a result, more than 300 scientific and technological researchers from Harbin,