The Effect of Supplementary Feeding on Birth Weight and Weaned Weight on Plateau Yak in Late Pregnancy and Lactation Period
The objective of this study was to investigate the effect of supplementation of concentrate and hay on yak in late pregnancy and lactation period.Sixty pregnant yaks were randomly divided into control group(CP, n =30) and experimental group(EP, n =30).Animals in CP were free grazing, while animals in EP were supplementarily feed 1 kg concentrate and 2 kg hay per day on last 60 days of pregnancy and first 120 days of lactation.The results showed that body weight gain in EP was 13.5 kg more than that of in CP.Birth weight and four months weight of calf in EP were 3.5 kg and 21.8 kg higher than that of in CP(P <0.01).
Supplementary feeding birth weight late pregnancy lactation yak
Bao Shanke Hua Zhuo Zhao Suonan Kong Xiangying Wang Funing
Animal Husbandary and Veterinary Institute of Haibei State in Qinhai Prvince, Haibei, 810200, China Unit 96351 ranch, Haibei, 810200, China
国际会议
The 5th International Conference on Yak(第五届国际耗牛大会)
兰州
英文
81-83
2014-08-27（万方平台首次上网日期，不代表论文的发表时间）