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中国荷斯坦牛初配年龄的调查 被引量:2

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出处 《养殖技术顾问》 2003年第6期6-6,共1页 Technical Advisor for Animal Husbandry
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  • 1刘小林,张慧林,任涛,邓新正,宋爱龙,程丰收.黑白花奶牛乳房性状对产奶量的影响效果分析[J].西北农林科技大学学报(自然科学版),2001,29(z1):5-8. 被引量:13
  • 2管新彬,杜长缨.盛夏季节高产奶牛饲养管理[J].农村养殖技术,2006(15):13-14. 被引量:1
  • 3Andersen-Ranberg IM, Klemetsdal G, Heringstad B, et al. Heritabilities,genetic correlations, and genetic change for female fertility and protein yield in Norwegian Dairy Cattle[J]. J Dairy Sci, 2005, 88(1):348-355.
  • 4Jamrozik J, Fatehi J, Kistemaker GJ, et al. Estimates of genetic parameters for Canadian Holstein female reproduction traits[J]. J Dairy Sci, 2005, 88(6): 2199-2208.
  • 5Pirlo G, Miglior F, Speroni M. Effect of age at first calving on production traits and on difference between milk yield returns and rearing costs in Italian Holsteins[J]. J Dairy Sci, 2000, 83(3):603-608.
  • 6Liu Z, Jaitner J, Reinhardt F, et al. Genetic evaluation of fertility traits of dairy cattle using a.multiple-trait animal model[J]. J Dairy Sci, 2008, 91 (11):4333-4343.
  • 7Abe H, Masuda Y, Suzuki M.Relationships between reproductive traits of heifers and cows and yield traits for Holsteins in Japan[J].J Dairy Sci, 2009, 92(8):4055-4062.
  • 8Sewalem A, Miglior F, Kistemaker GJ, et al. Relationship between reproduction traits and functional longevity in canadian dairy cattle[J]. J Dairy Sci, 2008, 91(4):1660-1668.
  • 9Hohsmark M, Heringstad B, Madsen P, et al. Genetic relationship between culling, milk production, fertility, and health traits in Norwegian red cows[J]. J Dairy Sci. 2008, 91(10):4006-4012.
  • 10Raheja KL, Burnside EB, Schaeffer LR. Heifer fertility and its relationship with cow fertility and production traits in Holstein dairy cattle[J].J. Dairy Sci, 1989, 72:2665-2678.

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