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:保广林 Bao Guanglin(Animal Husbandry and Veterinary Station of Nanmenxia Town,Huzhu Tu Autonomous County,Qinghai Province,Haidong 810500,China)
机构地区:[1]青海省互助土族自治县南门峡镇畜牧兽医站,海东810500
出 处:《畜牧兽医科学(电子版)》2021年第14期24-25,共2页Graziery Veterinary Sciences:Electronic Version
摘 要:近年,黄牛品种改良技术不断更新完善,黄牛养殖业生产能力获得显著提升。该文分析黄牛冻精冷配改良技术要点,并阐述黄牛饲养管理要点。In recent years,the cattle breed improvement technology has been updated and improved,the production capacity of cattle breeding industry has been significantly improved.In this paper,the main points of improving technology of frozen semen of yellow cattle were analyzed,and the main points of feeding and management of yellow cattle were expounded.
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:18.191.105.161