甘肃高山细毛羊妊娠母羊营养需要量估测

doi:10.11686/cyxb2016301

草业学报 ›› 2017, Vol. 26 ›› Issue (6): 168-175.DOI: 10.11686/cyxb2016301

甘肃高山细毛羊妊娠母羊营养需要量估测

张昌吉, 李成, 张勇, 郭武君, 张利平, 滚双宝^*

甘肃农业大学动物科学与技术学院, 甘肃兰州 730070

收稿日期:2016-08-17 修回日期:2016-12-06 出版日期:2017-06-20 发布日期:2017-06-20
通讯作者: E-mail: gunsb@gsau.edu.cn
作者简介:张昌吉(1974-),男,甘肃秦安人,副教授,硕士。E-mail:2473792146@qq.com
基金资助:
公益性行业(农业)科研专项放牧牛羊营养均衡需要研究与示范(201303062)和牧区极端气候条件下牛羊应急专用饲料研究与示范(201303062-5)资助

Evaluation of energy requirement in Gansu Alpine Fine-Wool pregnant ewes

ZHANG Chang-Ji, LI Cheng, ZHANG Yong, GUO Wu-Jun, ZHANG Li-Ping, GUN Shuang-Bao^*

College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China

Received:2016-08-17 Revised:2016-12-06 Online:2017-06-20 Published:2017-06-20

摘要/Abstract

摘要： 借助其他品种绵羊营养需要的一些研究方法,结合甘肃高山细毛羊四季牧草干物质采食量、营养物质摄入量、采食牧草营养成分、牧草营养物质消化率以及生产相关数据,采用析因法估测甘肃高山细毛羊能量和蛋白质需要量:成年母羊维持代谢能需要量为6.58 MJ/d(每kg代谢体重维持代谢能需要为0.417 MJ/W^0.75),维持蛋白质需要量107.62 g/d;妊娠前期代谢能需要量为12.54 MJ/d,粗蛋白质需要量125.19 g/d;妊娠后期代谢能需要量为12.86 MJ/d,粗蛋白质需要量为146 g/d;通过对比研究表明,甘肃高山细毛羊成年母羊钙需要量约为8.22~9.61 g/d,磷需要量为4.98~5.87 g/d,食盐需要量为9~16 g/d。

Abstract: Combining the dry matter intake, nutrients digestibility and production data in seasonal pastures, the factorial method was used to estimate the energy and protein requirements of Gansu Alpine Fine-Wool sheep ewes. It was found that ewes’ metabolic energy requirement for maintenance was 6.58 MJ/d, and the protein requirement for maintenance was 108 g/d. Metabolic energy requirement for early pregnancy ewe was 12.54 MJ/d, crude protein requirement was 125 g/d, while metabolic energy requirement for late pregnancy ewe was 12.86 MJ/d, and the crude protein requirement was 146 g/d. Calcium, phosphorus and salt requirements of ewes were, respectively, 8.22-9.61 g/d, 4.98-5.87 g/d, and 9-16 g/d, respectively.

张昌吉, 李成, 张勇, 郭武君, 张利平, 滚双宝. 甘肃高山细毛羊妊娠母羊营养需要量估测[J]. 草业学报, 2017, 26(6): 168-175.

ZHANG Chang-Ji, LI Cheng, ZHANG Yong, GUO Wu-Jun, ZHANG Li-Ping, GUN Shuang-Bao. Evaluation of energy requirement in Gansu Alpine Fine-Wool pregnant ewes[J]. Acta Prataculturae Sinica, 2017, 26(6): 168-175.

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甘肃高山细毛羊妊娠母羊营养需要量估测

Evaluation of energy requirement in Gansu Alpine Fine-Wool pregnant ewes

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