精料粗蛋白质水平对西农萨能奶山羊羔羊生长发育的影响

doi:10.16431/j.cnki.1671-7236.2017.05.011

《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (5): 1329-1337.doi: 10.16431/j.cnki.1671-7236.2017.05.011

精料粗蛋白质水平对西农萨能奶山羊羔羊生长发育的影响

马功珍, 罗军, 张雪莹, 王建珏, 杨阳, 孙爽, 席利萌

西北农林科技大学动物科技学院, 杨凌 712100

收稿日期:2016-10-27 出版日期:2017-05-20 发布日期:2017-05-18
通讯作者: 罗军 E-mail:luojun@nwsuaf.edu.cn
作者简介:马功珍(1991-),男,甘肃西和人,硕士生,研究方向:动物遗传育种与繁殖,E-mail:magongzhen1993@163.com
基金资助:
转基因生物新品种培育项目（2014ZX08009-051B）；陕西省科技统筹创新工程计划项目（2016KTZDNY02-05）；陕西省国际科技合作重点项目计划（2014KW14-02）

Effects of Concentrate Protein Levels on Growth and Development of Xinong Saanen Dairy Goat Lambs

MA Gong-zhen, LUO Jun, ZHANG Xue-ying, WANG Jian-jue, YANG Yang, SUN Shuang, XI Li-meng

College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling 712100, China

Received:2016-10-27 Online:2017-05-20 Published:2017-05-18

摘要/Abstract

摘要：

试验通过研究补饲不同粗蛋白质（CP）水平精料对西农萨能奶山羊羔羊生长发育的影响，旨在筛选出羔羊培育阶段适宜的补饲精料CP水平。选取日龄、体重相近，同质性好的健康西农萨能奶山羊羔羊60只（公羔40只、母羔20只），按性别随机分为4组，M16、M20组为公羔，每组20只，F16、F20组为母羔，每组10只。M16、F16组饲喂CP水平为16%的粉料，M20、F20组饲喂CP水平为20%的粉料。试验期18周，每2周测定羔羊的体重、体尺指标，定期采集血液样品测定血液生化指标。结果显示，20% CP组羔羊体重有大于16% CP组羔羊的趋势，公羔更为明显，18周龄时，20% CP组羔羊的体高、尻高、尻长、体斜长、胸深、胸围均高于16% CP组羔羊，性别因素对羔羊的生长发育有一定影响，公羔表现出较快的生长趋势。补饲不同CP水平的粉料对大部分血液生化指标无显著影响（P＞0.05）。但高CP水平日粮易引发羔羊腹泻，因此在羔羊培育时要严格控制给料量。与16% CP的精料相比，20% CP的精料作为羔羊补饲料更有利于羔羊的生长发育。

关键词: 西农萨能奶山羊; 精料; 粗蛋白质水平; 生长发育

Abstract:

The objective of this study was to investigate the effects of different crude protein (CP) levels of concentrate on the growth and development of Xinong Sannen dairy goat lambs.60 lambs(40 male and 20 female) with good similarity in age (5 days) and birth weight were selected and randomly allocated to 4 groups. The groups M16 and M20 were males with 20 lambs per group,groups F16 and F20 were females with 10 lambs per group. The groups M16 and F16 were fed supplementary concentrate with 16% CP,the others were fed supplementary concentrate with 20% CP. The test lasted for 18 weeks,and the weight and body size indexes of the lambs were measured every 2 weeks,and the blood samples were collected and the biochemical indexes were analyzed. The results showed that the weight of lambs in 20% CP group had an increaseing trend than that in 16% CP group,and that was more apparent in male lamb. The body height,rump height,rump length,body length,chest depth and chest circumference of lambs in 20% CP group were greater than that of the 16% CP group.Male lambs seemed to have a faster tendency than female lambs in growth and development during the trial period.There was no significant effect on most of blood biochemical indexes among different CP levels groups (P >0.05).High CP level diet could easily trigger diarrhea.So,the feeding amount with high CP level concentrate should be controlled during lamb cultivation.Compared with 16% CP in concentrate,the 20% CP was more beneficial to grow and develop to the lambs.

Key words: Xinong Sannen dairy goat; concentrate; crude protein levels; growth and development

中图分类号:

S826.9⁺4

马功珍, 罗军, 张雪莹, 王建珏, 杨阳, 孙爽, 席利萌. 精料粗蛋白质水平对西农萨能奶山羊羔羊生长发育的影响[J]. 《中国畜牧兽医》, 2017, 44(5): 1329-1337.

MA Gong-zhen, LUO Jun, ZHANG Xue-ying, WANG Jian-jue, YANG Yang, SUN Shuang, XI Li-meng. Effects of Concentrate Protein Levels on Growth and Development of Xinong Saanen Dairy Goat Lambs[J]. , 2017, 44(5): 1329-1337.

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精料粗蛋白质水平对西农萨能奶山羊羔羊生长发育的影响

Effects of Concentrate Protein Levels on Growth and Development of Xinong Saanen Dairy Goat Lambs

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