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肉用公牛选择的关键信息 被引量:1

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出处 《黑龙江动物繁殖》 1999年第1期25-26,共2页 Heilongjiang journal of animal reproduction
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同被引文献7

  • 1冀一伦.牛的难产预测与预防[J].中国奶牛,1999,(2):46-46.
  • 2Harlan D. Ritchie, Peter T. Anderson. Calving Difficulty in Beef Cattle. MSU Extension Beef Bulletins-E1611921.94.01.01.fde:HA:Calving Difficulty in Beef Cattle.htm.
  • 3P.G.Sullivan, W.Wilton. Across Bleed Genetic Evaluations for Calving Ease. 1996 Ontario Beef Research Update University of Guelph Publication. fde://A:Across Breed Genetic Evaluations. htm.
  • 4BIF Handbook. Chapter 2: Reproduction. Copyright Buelingo Beef Cattle Society 1990-2000 file://A: BIF Handbook: Chapter 2:Reproduction.htm.
  • 5U.Paputungan, M. Makarechian, M.F. Liu. Effects of Sire Birth Weight on Calving Difficulty and Maternal Performance of Their Female Progeny [J] Asian-Australian Journal of Animal Sciences,2000,13 (4) :729~732.
  • 6M.F. Luo, PJ.Bocttcher, L.R.Schaeffer et al. Estimation of genetic parameters of calving ease in first and second parities of Canadian Holsteins using Bayesian methods. Livestock production Science, 2002, 74:175-184.
  • 7秦浩肄.2000年世界畜牧生产统计资料[J].中国畜牧兽医,2002,29(5):54-59. 被引量:3

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