检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:朱新荣 李文豪[2,3] 刘学成 李亚娟[2] 王东升[2] 张世栋[2] 严作廷[2] 董书伟[2]
机构地区:[1]甘肃省荷斯坦奶牛繁育示范中心,兰州730080 [2]中国农业科学院兰州畜牧与兽药研究所/农业部兽用药物创制重点实验室/甘肃省中兽药工程技术中心,兰州730050 [3]山西农业大学动物科技学院,太谷030800
出 处:《中国奶牛》2017年第4期37-40,共4页China Dairy Cattle
基 金:国家自然科学青年基金项目(31302156);甘肃省青年科技基金计划(1506RJYA145);中央级基本科研业务费项目(1610322014012)
摘 要:本文调查分析了甘肃省某牧场2011~2015年奶牛常发疾病类型和发病率,结果发现,该场常发疾病中,消化系统疾病、呼吸系统疾病和繁殖系统疾病的发病率较高,分别占主要疾病的14.39%、16.63%和14.13%,且以犊牛和成母牛发病率较高,成母牛以乳房炎、胎衣不下和子宫炎发病率较高,犊牛以感冒、腹泻、腹痛和肺炎发病率较高。The diseases of different growth stages and the incidence rate of dairy cows were investigated in a farm of Gansu Province in this paper. It was found that the digestive system disease, respiratory system disease and reproductive system disease rate is highest in the farm, respectively, accounting for major diseases 14.39%, 16.63% and 14.13%, and total incidence of calves and adult cows was high. Major diseases of adult cows were Mastitis, retained placenta and metritis, the incidence rate of cold, diarrhea, abdominal pain and pneumonia were high in calves.
分 类 号:S858.23[农业科学—临床兽医学]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.117