[1] MURRAY B.Finding the tools to achieve longevity in Canadian dairy cows[J].WCDS Advances in Dairy Technology,2013,25:15-28. [2] JAIRATH L K,HAYES J F,CUE R I.Multitrait restricted maximum likelihood estimates of genetic and phenotypic parameters of lifetime performance traits for Canadian Holsteins[J].Journal of Dairy Science,1994,77(1):303-312. [3] BROTHERSTONE S,VEERKAMP R F,HILL W G.Genetic parameters for a simple predictor of the lifespan of Holstein-Friesian dairy cattle and its relationship to production[J].Animal Science,1997,65(1):31-37. [4] ESSL A.Longevity in dairy cattle breeding:A review[J].Livestock Production Science,1998,57(1):79-89. [5] 鄢新义,刘澳星,董刚辉,等.北京地区中国荷斯坦牛长寿性及其影响因素分析[J].中国畜牧杂志,2016,52(23):1-6. YAN X Y,LIU A X,DONG G H,et al.Analysis of longevity and its influencing factors in Chinese Holstein population in Beijing[J].Chinese Journal of Animal Science,2016,52(23):1-6.(in Chinese) [6] 李想,鄢新义,罗汉鹏,等.不同模型估计中国荷斯坦牛生产寿命遗传参数[J].畜牧兽医学报,2019,50(6):1162-1170. LI X,YAN X Y,LUO H P,et al.Genetic parameters estimation for productive life of Chinese Holsteins by different model[J].Chinese Journal of Animal and Veterinary Sciences,2019,50(6):1162-1170.(in Chinese) [7] 毛杰.上海地区荷斯坦牛体型性状与产奶性状、SCS和寿命性状的遗传分析[D].南京:南京农业大学,2015. MAO J.Genetic analysis between type traits,milk production traits,SCS and longevity traits of Holstein cattle in Shanghai[D].Nanjing:Nanjing Agricultural University,2015.(in Chinese) [8] 储明星,叶素成,陈国宏.微卫星标记与奶牛数量性状QTL定位[J].遗传,2003,25(3):337-340. CHU M X,YE S C,CHEN G H.Mapping quanti-tative trait loci for quantitative traits in dairy cattle microsatellite markers[J].Hereditas,2003,25(3):337-340.(in Chinese) [9] 王梦琦,倪炜,张慧敏,等.中国荷斯坦牛CXCR1基因编码区SNP多态与临床乳房炎和生产寿命的关联分析[J].中国农业科学,2017,50(12):2359-2370. WANG M Q,NI W,ZHANG H M,et al.Association between SNPs in the CDS regions of CXCR1 gene and the clinical mastitis and lifetime for Chinese Holstein[J].Scientia Agricultura Sinica,2017,50(12):2359-2370.(in Chinese) [10] 王梦琦,倪炜,郭译蔚,等.中国荷斯坦牛SLC35A3-66基因SNP突变与奶牛疾病及泌乳性能的相关性分析[J].中国兽医学报,2017,37(12):2418-2424. WANG M Q,NI W,GUO Y W,et al.Correlation analysis between diseases and milking traits and SNP of SLC35A3-66 for Chinese Holstein cow[J].Chinese Journal of Veterinary Science,2017,37(12):2418-2424.(in Chinese) [11] 赵佳强.中国荷斯坦奶牛生产寿命、体型线性性状分子标记的研究[D].武汉:华中农业大学,2013. ZHAO J Q.Research on molecular markers and productive life,liner type traits of Holstein cattle in China[D].Wuhan:Huazhong Agricultural University,2013.(in Chinese). [12] 陈星.奶牛乳房炎相关天然免疫基因的筛选及其功能研究[D].武汉:华中农业大学,2016. CHEN X.Dairy cow mastitis related innate immune genes screening and function study[D].Wuhan:Huazhong Agricultural University,2016.(in Chinese) [13] 梁艳,张强,唐程,等.影响荷斯坦牛305 d泌乳性能的因素分析[J].中国畜牧杂志,2020,56(4):56-59. LIANG Y,ZHANG Q,TANG C,et al.Analysis of factors affecting 305-days milking traits of Holstein cows[J].Chinese Journal of Animal Science,2020,56(4):56-59.(in Chinese) [14] 孔娜,胥磊,蒋国鹏,等.荷斯坦牛各胎次产奶量规律研究及相关性分析[J].中国奶牛,2019,12:34-37. KONG N,XU L,JIANG G P,et al.Study on milk yield of each parity in Holstein cows and correlation analysis[J].China Dairy Cattle,2019,12:34-37.(in Chinese) [15] OLTENACU P A,BROOM D M.The impact of genetic selection for increased milk yield on the welfare of dairy cows[J].Animal Welfare,2010,19(S):39-49. [16] 储明星,李瑞林,王秀田,等.奶牛淘汰原因的调查分析[J].中国奶牛,1995,2:29-30. CHU M X,LI R L,WANG X T,et al.A survey study of culling reason in dairy cattle[J].China Dairy Cattle,1995,2:29-30.(in Chinese) [17] 李权武,武浩,陈立强,等.成乳奶牛淘汰原因的调查与分析[J].动物医学进展,2000,4(S1):140-142. LI Q W,WU H,CHEN L Q,et al.Survey and analysis of culling reason in dairy cows[J].Progress in Veterinary Medicine,2000,4(S1):140-142.(in Chinese) [18] PINEDO P J,DE VRIES A,WEBB D W.Dynamics of culling risk with disposal codes reported by dairy herd improvement dairy herds[J].Journal of Dairy Science,2010,93(5):2250-2261. [19] GARCIA-RUIZ A,COLE J B,VANRADEN P M,et al.Changes in genetic selection differentials and generation intervals in US Holstein dairy cattle as a result of genomic selection[J].Proceedings of the National Academy of Sciences of the United States of America,2016,113(28):E3995-E4004. [20] 郭刚,罗杨,刘善超,等.奶牛淘汰原因与淘汰时泌乳天数关系研究[J].中国奶牛,2012,17:47-49. GUO G,LUO Y,LIU S C,et al.A study on relationship between culling reason and days in milk of cows at culling[J].China Dairy Cattle,2012,17:47-49.(in Chinese) [21] 任小丽,栗敏杰,白雪利,等.中国荷斯坦牛青年初产年龄和成年母牛产犊间隔遗传参数估计[J].中国畜牧杂志,2019,55(3):45-49. REN X L,LI M J,BAI X L,et al.Genetic parameters for age at first calving of heifer and calving interval of cow in Chinese Holstein[J].Chinese Journal of Animal Science,2019,55(3):45-49.(in Chinese) [22] NILFOROOSHAN M A,EDRISS M A.Effect of age at first calving on some productive and longevity traits in Iranian Holsteins of the Isfahan province[J].Journal of Dairy Science,2004,87(7):2130-2135. [23] ZAVADILOVÁ L,ŠTÍPKOVÁ M.Effect of age at first calving on longevity and fertility traits for Holstein cattle[J].Czech Journal of Animal Science,2013,58(2):47-57. [24] ALVÅSEN K,DOHOO I,ROTH A,et al.Farm characteristics and management routines related to cow longevity:A survey among Swedish dairy farmers[J].Acta Veterinaria Scandinavica,2018,60(1):1-11. [25] ADAMCZYK K,MAKULSKA J,JAGUSIAK W,et al.Associations between strain,herd size,age at first calving,culling reason and lifetime performance characteristics in Holstein-Friesian cows[J].Animal,2017,11(2):327-334. [26] WEIGEL K A,PALMER R W,CARAVIELLO D Z.Investigation of factors affecting voluntary and involuntary culling in expanding dairy herds in Wisconsin using survival analysis[J].Journal of Dairy Science,2003,86(4):1482-1486. [27] JAIRATH L,DEKKERS J C,SCHAEFFER L R,et al.Genetic evaluation for herd life in Canada[J].Journal of Dairy Science,1998,81(2):550-562. [28] IMBAYARWO-CHIKOSI V E,DUCROCQ V,BANGA C B,et al.Estimation of genetic parameters for functional longevity in the South African Holstein cattle using a piecewise Weibull proportional hazards model[J].Journal of Animal Breeding and Genetics,2017,134(5):364-372. [29] POTONIK K,GANTNER V,KRSNIK J,et al.Analysis of longevity in Slovenian Holstein cattle[J].Acta Agriculturae Slovenica,2011,98(2):93-100. |