The effect of veterinary-treated clinical mastitis and pregnancy status on culling in Swedish dairy cows.
第一作者:
M Del P,Schneider
第一单位:
Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, P.O. Box 7023, Uppsala 75007, Sweden. Pilar.Schneider@hgen.slu.se <Pilar.Schneider@hgen.slu.se>
作者:
医学主题词
年龄因素(Age Factors);动物(Animals);抗菌药(Anti-Bacterial Agents);牛(Cattle);女(雌)性(Female);泌乳(Lactation);乳腺炎, 牛(Mastitis, Bovine);产次(Parity);妊娠(Pregnancy);妊娠并发症, 感染性(Pregnancy Complications, Infectious);比例危险度模型(Proportional Hazards Models);危险因素(Risk Factors);季节(Seasons);存活率分析(Survival Analysis);瑞典(Sweden)
DOI
10.1016/j.prevetmed.2007.02.006
PMID
17416430
发布时间
2007-04-23
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