NWIPB OpenIR
The effect of supplementary feeds on the bodyweight of yaks in cold season
Long, RJ; Dong, SK; Wei, XH; Pu, XP
2005-05-01
发表期刊LIVESTOCK PRODUCTION SCIENCE
卷号93期号:3页码:197-204
文章类型Article
摘要The present study was conducted to determine the effects of supplementary feeds, oat hay (OH), highland barley straw (HBS) and multi-nutrient blocks supplementation (UMMB) on reducing liveweight losses of both yak cows and calves grazed on low quality pastures during cold season. The trials of OH and HBS supplementation were conducted by using completely random design on 104 yak cows between 6 and 12 years of age as the following treatments: pure grazing (41 animals, body weight 230 67 kg) as control (CK); grazing+1.5 kg DM of OH per head daily (30 animals, body weight 216 28 kg); gazing. 1.5 kg DM of HBS per head daily (33 animals, body weight 221 34 kg). The trial of UMMB was conducted on three types of yaks, 1-year calves (8-12 months old, body weight 61.1 6.9 kg), 2-year calves (18-24 months old, 98.0 11.3 kg) and yak cows (164.5 27.1 (S.D.) kg) with 20 animals in control group (CK) and 20 animals in supplement group for each type by using completely random design as the following treatments: pure grazing for CK group; grazing+ 150, 250 and 500 g UMMB per day averagely for 1-year calf, 2-year calf and cow at night. The results indicate that the animals supplemented with oat hay received body weight gain (32 20.7 g day(-1)), while those supplemented with highland barley straw still suffered from body weight loss (-56.7 39.3 a day(-1)); UMMB supplementation can decrease the body weight loss by 109.7%, 86.6% and 63.4% for the 1-year calves, 2-year calves and yak cows, respectively, as compared with pure grazing. Around US$1.60 output can be achieved on the basis of US$1 input for UMMB supplementation in the farming systems of the 1-year calves, 2-year calves and yak cows, while US$1 input can produce US$1.55 and 1.14 output for OH and FIBS supplementations, respectively, in yak cows' farming system. It can be preliminary concluded that UMMB supplementation was the most economic way to alleviate body weight loss of grazing yaks over cold season, and the higher productive returns were obtained from OH supplementation for grazing yak cows during winter/spring months. © 2004 Elsevier B.V All rights reserved.; The present study was conducted to determine the effects of supplementary feeds, oat hay (OH), highland barley straw (HBS) and multi-nutrient blocks supplementation (UMMB) on reducing liveweight losses of both yak cows and calves grazed on low quality pastures during cold season. The trials of OH and HBS supplementation were conducted by using completely random design on 104 yak cows between 6 and 12 years of age as the following treatments: pure grazing (41 animals, body weight 230 67 kg) as control (CK); grazing+1.5 kg DM of OH per head daily (30 animals, body weight 216 28 kg); gazing. 1.5 kg DM of HBS per head daily (33 animals, body weight 221 34 kg). The trial of UMMB was conducted on three types of yaks, 1-year calves (8-12 months old, body weight 61.1 6.9 kg), 2-year calves (18-24 months old, 98.0 11.3 kg) and yak cows (164.5 27.1 (S.D.) kg) with 20 animals in control group (CK) and 20 animals in supplement group for each type by using completely random design as the following treatments: pure grazing for CK group; grazing+ 150, 250 and 500 g UMMB per day averagely for 1-year calf, 2-year calf and cow at night. The results indicate that the animals supplemented with oat hay received body weight gain (32 20.7 g day(-1)), while those supplemented with highland barley straw still suffered from body weight loss (-56.7 39.3 a day(-1)); UMMB supplementation can decrease the body weight loss by 109.7%, 86.6% and 63.4% for the 1-year calves, 2-year calves and yak cows, respectively, as compared with pure grazing. Around US$1.60 output can be achieved on the basis of US$1 input for UMMB supplementation in the farming systems of the 1-year calves, 2-year calves and yak cows, while US$1 input can produce US$1.55 and 1.14 output for OH and FIBS supplementations, respectively, in yak cows' farming system. It can be preliminary concluded that UMMB supplementation was the most economic way to alleviate body weight loss of grazing yaks over cold season, and the higher productive returns were obtained from OH supplementation for grazing yak cows during winter/spring months. © 2004 Elsevier B.V All rights reserved.
关键词Yak Supplementation Strategies Reducing Weight Loss
WOS标题词Science & Technology ; Life Sciences & Biomedicine
学科领域动物学
关键词[WOS]NUTRIENT UTILIZATION ; LIVEWEIGHT CHANGE ; MOLASSES BLOCK ; UREA ; CALVES ; COWS
收录类别SCI
语种英语
WOS研究方向Agriculture
WOS类目Agriculture, Dairy & Animal Science
WOS记录号WOS:000229529600001
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1370
专题中国科学院西北高原生物研究所
作者单位1.Gansu Agr Univ, Coll Grassland Sci, Lanzhou 730070, Peoples R China
2.Chinese Acad Sci, NW Plateau Inst Biol, Xining, Peoples R China
3.Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China
4.Gansu Agr Univ, Dept Agron, Lanzhou 730070, Peoples R China
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Long, RJ,Dong, SK,Wei, XH,et al. The effect of supplementary feeds on the bodyweight of yaks in cold season[J]. LIVESTOCK PRODUCTION SCIENCE,2005,93(3):197-204.
APA Long, RJ,Dong, SK,Wei, XH,&Pu, XP.(2005).The effect of supplementary feeds on the bodyweight of yaks in cold season.LIVESTOCK PRODUCTION SCIENCE,93(3),197-204.
MLA Long, RJ,et al."The effect of supplementary feeds on the bodyweight of yaks in cold season".LIVESTOCK PRODUCTION SCIENCE 93.3(2005):197-204.
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