牛病毒性腹泻防治措施

牛病毒性腹泻是牛养殖中具有较强传染性的一种病毒性传染性疾病。传染源主要是患病动物的分泌物和排泄粪便。不同年龄的牛感染病毒性腹泻后所表现出来的症状存在很大差异,成年牛感染病毒性腹泻初期不会表现出明显症状,病毒会向整个牛群快速传播,具有很高的致死率,常给牛养殖产业造成巨大经济损失。在牛养殖中需要养殖户高度重视牛病毒性腹泻的防控。该文主要结合一个养殖场的实际发病情况,分析了牛病毒性腹泻的诊断和防治过程。

诺拉嘎尔扎布及其文化活动

This paper briefly introduced Rvlgarjabs biography and clarifiessome dubious viewpoints.Theauthor,meanwhile,summarized Rvlgarjabs cultural activities by studying his contributions to the Eastern Mongolia Publishing HouseandMongolian Literature Society his approval of Mongolian new terms,the act of compiling the Beginners Chinese,MongolianChinese Pho netic Book,and his relationship with Heshinge,Buhheshig and Erdentogtoh.