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Some observations on reproductive performance in beef cattle in Western Canada.

作者信息

Janzen E

出版信息

Can Vet J. 1978 Dec;19(12):335-9.

PMID:743686
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1789442/
Abstract
摘要

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Breeding patterns in commercial beef herds. 3. Observations on dystocia in a Devon herd.商业肉牛群的繁殖模式。3. 德文郡牛群难产情况的观察。
Aust Vet J. 1968 Dec;44(12):550-6. doi: 10.1111/j.1751-0813.1968.tb04927.x.
2
Breeding patterns in commercial beef herds. 2. Performance following the first joining.商业肉牛群的繁殖模式。2. 首次配种后的性能表现。
Aust Vet J. 1968 Nov;44(11):487-92. doi: 10.1111/j.1751-0813.1968.tb08989.x.
3
Breeding patterns in commercial beef herds. I. Herd performance in New South Wales.商业肉牛群的繁殖模式。一、新南威尔士州的牛群表现
Aust Vet J. 1968 Aug;44(8):350-6. doi: 10.1111/j.1751-0813.1968.tb14402.x.
4
Use of mailed questionnaire data in a study of swine congenital malformations.邮寄问卷调查数据在猪先天性畸形研究中的应用。
Can J Comp Med. 1973 Oct;37(4):413-7.
5
Letter to the editor: Reproductive performance of beef cattle in northeastern Alberta.致编辑的信:阿尔伯塔省东北部肉牛的繁殖性能
Can Vet J. 1976 Feb;17(2):58-9.
6
Problems associated with teaser bulls prepared by the by the pen-o-block method.与通过围栏分块法制备的试情公牛相关的问题。
Can Vet J. 1975 Jul;16(7):181-6.
7
A survey of dystocia in beef cattle in Southern Queensland.
Aust Vet J. 1976 Dec;52(12):570-4. doi: 10.1111/j.1751-0813.1976.tb05423.x.
8
Commercial beef production on hill country.山地乡村的商业牛肉生产。
N Z Vet J. 1977 Jan-Feb;25(1-2):3-7. doi: 10.1080/00480169.1977.34337.