论文部分内容阅读
嵊县自1979年10月发现一种前所未见的弱毒猪瘟病以来,年年散发性流行。青年猪和小猪感染后,死亡率较高,仔猪死亡率更高。即使是经石门系猪瘟毒株弱毒疫苗预防注射的健康猪也能传染发病。据报道,我国四川、广西、湖北、山东、江苏等省自1979年以来,均先后发现本病。日本、苏联、美国、法国、英国等国家也有发生。目前,国内外对弱毒猪瘟病,尚无有效治疗药物。对病猪一律采取扑杀处理法,损失很大。为此,我所从1981年起研究弱毒猪瘟病的防治药物,经过2年的试验、改进,
Shengzhou since October 1979 found an unprecedented virulent classical swine fever, annual epidemic. After young pigs and piglets are infected, the mortality rate is higher and the piglet mortality rate is higher. Even healthy pigs vaccinated against attenuated virulent strains of Shihmen-based classical swine fever virus can also transmit the disease. According to reports, China’s Sichuan, Guangxi, Hubei, Shandong, Jiangsu and other provinces since 1979, have discovered this disease. Japan, the Soviet Union, the United States, France, Britain and other countries have also occurred. At present, at home and abroad for the virulent classical swine fever, there is no effective treatment of drugs. The pigs to be cull treatment method, a great loss. To this end, I have been studying the prevention and treatment of virulent classical swine fever since 1981, after 2 years of testing, improvement,