摘要
本研究旨在探讨不同养殖模式对霍尔巴羊生长发育的影响。试验选取体重(11.00±3.00)kg的3月龄霍尔巴羊60只,随机分为放牧组和舍饲组(每组3个重复,每个重复10只),放牧组采取放牧养殖模式,舍饲组采取舍饲养殖模式。结果表明,试验的21周内,舍饲组试验羊体重、体尺(体长、体高、胸围、管围)增量均显著高于放牧组(P<0.05)。生长发育指标阶段性增量数据显示,放牧组3个阶段体重增量差异显著(P<0.05,Ⅰ阶段>Ⅱ阶段>Ⅲ阶段)。放牧组Ⅰ阶段体高、体长增量显著大于Ⅱ阶段(P<0.05),胸围增量显著小于Ⅱ阶段(P<0.05),管围增量显著小于Ⅲ阶段(P<0.05)。Ⅱ阶段胸围增量显著大于Ⅲ阶段(P<0.05),其他体尺增量显著小于Ⅲ阶段(P<0.05)。舍饲组Ⅰ阶段体高、体长和管围增量显著大于Ⅱ阶段、Ⅲ阶段(P<0.05),胸围增量显著大于Ⅱ阶段(P<0.05),显著小于Ⅲ阶段(P<0.05),Ⅱ阶段体高、胸围增量显著大于Ⅲ阶段(P<0.05)。由此可见,舍饲养殖显著提高霍尔巴羊生长性能;舍饲养殖霍尔巴羊Ⅲ阶段增重较快;霍尔巴羊生长发育有一定规律,出现不对称“V”字型曲线,即Ⅰ阶段>Ⅲ阶段>Ⅱ阶段。
The purpose of this study was to investigate the effects of different feeding modes on the growth of Huo’er ba sheep.Sixty 3-month-old Huo’er ba sheep(body weight:11.00±3.00 kg)were randomly divided into grazing group and housing feeding group,every group contains 3 replicates,and 10 sheep each.The grazing group sheep were fed by grazing while the other were fed inside the house.The results showed as follows:the increment of body weight and body size(body length,body height,chest circumference and cannon bone circumference)of sheep in house feeding group were significantly higher than those in grazing group within 21 weeks(P<0.05).Staged increment data of growth and development indexes showed that there were significant differences in body weight increment between grazing group and grazing group at three stages(P<0.05,stageⅠ>stageⅡ>stageⅢ).The increment of body height and body length at stageⅠin grazing group was significantly higher than those at stageⅡ(P<0.05),while the increment of chest circumference was significantly lower(P<0.05),and the increment of cannon bone circumference was significantly lower than that at stageⅢ(P<0.05).Of all the body size increment,only the chest circumference increment at stageⅡwas significantly higher than that at stageⅢ(P<0.05),others were significantly lower(P<0.05).at stageⅢ(P<0.05)。The increment of body height,body length and cannon bone circumference in the house feeding group at stage I was significantly higher than those at the stageⅡandⅢ(P<0.05),the increment of chest circumference was significantly higher than that at the stageⅡ(P<0.05),while lower than that of stageⅢ.the increment of body height and chest circumference at stageⅡwas significantly higher than those at the stageⅢ(P<0.05).In conclusion,the housing feeding mode can significantly improve the production of Huo’er ba sheep;House feeding sheep gain body weight faster in stageⅢ;The growth and development of Huo’er ba sheep had a certain regularity,showing an asymmetric�
作者
赵满达
何孟莲
孙得发
邓兵
拉普
白玛央珍
嘎玛玉珍
次旦欧珠
央金拉姆
次顿珠
ZHAO Manda;HE Menglian;SUN Defa;DENG Bing;Lapu;Baimayangzhen;Gamayuzhen;Cidanouzhu;Yangjinlamu;Cidunzhu(Shandong Vocational Animal Science and Veterinary College,Weifang,Shandong Province 261061,China;Shigatse Livestock Technology Promotion Service Center,Shigatse,Xizang Province 857000,China;Shigatse center for Animal Disease Prevention and Control,Shigatse,Xizang Province 857000,China)
出处
《中国饲料》
北大核心
2022年第10期9-12,共4页
China Feed
基金
2020年西藏自治区科技厅区域联合协同创新项目(QYXTZX-RKZ2020-01)
2020年日喀则市科技计划项目(RKZ2020KJ11)。
关键词
养殖模式
霍尔巴羊
生长发育
feeding mode
Huo’er ba sheep
growth and development
