Net protein and metabolizable protein requirements for maintenance and growth of early- weaned Dorper crossbred maqale lambs

文献类型： 外文期刊

第一作者： Ma, Tao

作者： Ma, Tao;Tu, Yan;Zhang, Naifeng;Si, Bingwen;Xu, Guishan;Diao, Qiyu;Deng, Kaidong;Xu, Guishan

作者机构：

关键词： Growth;Lamb;Maintenance;Metabolizable protein;Net protein

期刊名称：JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY （ 影响因子：5.032； 五年影响因子：5.922 ）

ISSN： 2049-1891

年卷期： 2017 年 8 卷

页码：

收录情况： SCI

摘要： Background: Dorper is an important breed for meat purpose and widely used in the livestock industry of the world. However, the protein requirement of Dorper crossbred has not been investigated. The current paper reports the net protein (NP) and metabolizable protein (MP) requirements of Dorper crossbred ram lambs from 20 to 35 kg BW. Methods: Thirty-five Dorper x thin-tailed Han crossbred lambs weaned at approximately 50 d of age (20.3 +/- 2. 15 kg of BW) were used. Seven lambs of 25 kg BW were slaughtered as the baseline animals at the start of the trial. An intermediate group of seven randomly selected lambs fed ad libitum was slaughtered at 28.6 kg BW. The remaining 21 lambs were randomly divided into three levels of dry matter intake: ad libitum or 70% or 40% of ad libitum intake. Those lambs were slaughtered when the lambs fed ad libitum reached 35 kg BW. Total body N and N retention were measured. Results: The daily NP and MP requirements for maintenance were 1.89 and 4.52 g/kg metabolic shrunk BW (SBW0.75). The partial efficiency of MP utilization for maintenance was 0.42. The NP requirement for growth ranged from 12.1 to 43.5 g/d, for the lambs gaining 100 to 350 g/d, and the partial efficiency of MP utilization for growth was 0.86. Conclusions: The NP and MP requirements for the maintenance and growth of Dorper crossbred male lambs were lower than the recommendations of American and British nutritional systems.

分类号：

  • 相关文献

[1]Protein requirements of early-weaned Dorper crossbred female lambs. Ma Tao,Tu Yan,Zhang Nai-feng,Si Bing-wen,Diao Qi-yu,Deng Kai-dong,Xu Gui-shan. 2017

[2]Metabolizable protein requirements of Dorper crossbred ram lambs. Deng, K. D.,Ma, T.,Jiang, C. G.,Tu, Y.,Zhang, N. F.,Liu, J.,Zhao, Y. G.,Xu, G. S.,Diao, Q. Y.,Deng, K. D..

[3]Effect of feed intake on metabolizable protein supply in Dorper x thin-tailed Han crossbred lambs. Ma, T.,Tu, Y.,Zhang, N. -F.,Jiang, C. -G.,Liu, J.,Zhao, Y. -G.,Diao, Q. -Y.,Deng, K. -D..

[4]Energy requirements of early-weaned Dorper cross-bred female lambs. Ma, T.,Xu, G. -S.,Ji, S. -K.,Tu, Y.,Zhang, N. -F.,Diao, Q. -Y.,Xu, G. -S.,Deng, K. -D..

[5]Net Phosphorus Requirements of DorperxThin-tailed Han Crossbred Ram Lambs. Ji, Shoukun,Xu, Guishan,Jiang, Chenggang,Tu, Yan,Zhang, Naifeng,Ma, Tao,Lou, Can,Diao, Qiyu,Deng, Kaidong.

[6]Energy requirements for maintenance and growth of early-weaned Dorper crossbred male lambs. Xu, G. -S.,Ma, T.,Ji, S. -K.,Tu, Y.,Jiang, C. -G.,Diao, Q-Y.,Xu, G. -S.,Deng, K. -D..

[7]Energy requirements of Dorper crossbred ewe lambs. Deng, K. D.,Jiang, C. G.,Tu, Y.,Zhang, N. F.,Liu, J.,Ma, T.,Zhao, Y. G.,Xu, G. S.,Diao, Q. Y.,Deng, K. D..

[8]Net zinc requirements of Dorper x thin-tailed Han crossbred lambs. Ji, S. K.,Diao, Q. Y.,Jiang, C. G.,Tu, Y.,Zhang, N. F.,Xu, G. S.,Deng, K. D..

[9]Energy Requirements for Maintenance and Growth of German Mutton Merino Crossbred Lambs. Deng Kai-dong,Diao Qi-yu,Jiang Cheng-gang,Tu Yan,Zhang Nai-feng,Liu Jie,Ma Tao,Zhao Yi-guang,Xu Gui-shan,Deng Kai-dong. 2013

[10]Equations to predict methane emissions from cows fed at maintenance energy level in pasture-based systems. Stergiadis, Sokratis,Zou, Caixia,Chen, Xianjiang,Wills, David,Yan, Tianhai,Stergiadis, Sokratis,Zou, Caixia,Chen, Xianjiang,Allen, Michelle.

[11]A comparative analysis of phosphoproteome in ovine muscle at early postmortem in relationship to tenderness. Li, Xin,Chen, Lijuan,He, Fan,Li, Meng,Zhang, Dequan,Shen, Qingwu. 2017

[12]iTRAQ-based proteomic profiling of granulosa cells from lamb and ewe after superstimulation. Lin, Jiapeng,Lin, Jiapeng,Wu, Yangsheng,Han, Bing,Chen, Ying,Wang, Liqin,Li, Xiaolin,Liu, Mingjun,Huang, Juncheng. 2017

[13]Effects of Suaeda glauca crushed seed on rumen microbial populations, ruminal fermentation, methane emission, and growth performance in Ujumqin lambs. Liu, H. W.,Zhao, J. S.,Xiong, B. H.,Li, K.,Lv, M. B.,Zhou, D. W..

[14]Developmental changes of GHR and IGF-I mRNA expression in lamb rumen. Cheng, Shengli,Li, Fadi,Guo, Jiangpeng,Ma, Youji,Cheng, Shengli,Pei, Jie,Wei, Yunxia,Yang, Baoping,Xiao, Yuping.

[15]Proteomic profiling of follicle fluids after superstimulation in one-month-old lambs. Wu, Y.,Lin, J.,Han, B.,Wang, L.,Chen, Y.,Liu, M.,Huang, J.. 2018

[16]The effect of temperature in the range of-0.8 to 4 degrees C on lamb meat color stability. Li, Xin,Zhang, Yan,Li, Zheng,Li, Meng,Zhang, Dequan,Zhang, Yan,Liu, Yongfeng. 2017

[17]Efficacy of an herbal granule as treatment option for neonatal Tibetan Lamb diarrhea under field conditions. Li, Shengkun,Cui, Dongan,Wang, Shengyi,Wang, Hui,Huang, Meizhou,Qi, Zhiming,Liu, Yongming.

[18]Microstructural, protein denaturation and water holding properties of lamb under pulse vacuum brining. Wang, Zhenyu,Xu, Weiwei,Kang, Ning,Zhang, Dequan,Shen, Qingwu.

[19]Effect of restricted time at pasture and indoor supplementation on ingestive behaviour, dry matter intake and weight gain of growing lambs. Zhang, X. Q.,Luo, H. L.,Zhang, Y. J.,Zhang, X. Q.,Hou, X. Y.,Jiang, C.,Badgery, W. B..

[20]Effects of breeds on the formation of heterocyclic aromatic amines in smoked lamb. Hou, Chengli,Wang, Zhenyu,Wu, Liguo,Chai, Jiali,Song, Xuan,Wang, Wenting,Zhang, Dequan.

作者其他论文 更多>>

微信小程序