Why do dairy cows have reproductive problems? How can we solve those reproductive problems?
نویسندگان
چکیده
منابع مشابه
“Sustained fertility in dairy cows: problems and suggestions” Reproductive performance in high-producing dairy cows: Can we sustain it under current practice?
Division of Reproduction, Dept of Clinical Sciences, Faculty of Veterinary Medicine and Animal Science (FVMAS), Swedish University of Agricultural Sciences (SLU), PO Box 7054, 75007 Uppsala, Sweden Dept of Animal Environment and Health, FVMAS, SLU, PO Box 234, 532 23 Skara, Sweden Division of Ruminant Diseases and Epidemiology, Dept of Clinical Sciences, FVMAS, SLU, Uppsala, Sweden Dept of Anim...
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This review focuses on the potential effects of twinning, dystocia, stillbirth, abortion, retained placenta and metritis on the productive and reproductive performances in dairy cattle. These are diverse disorders that are similar in that they all can result in impaired performance of dairy cows. Reproductive problems occur frequently in lactating dairy cows and can dramatically affect reproduc...
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Within a dairy herd, total milk production is determined by the proportion of cows producing milk at any given time and the level of milk production of the individual cows within the herd. Improving reproductive efficiency helps to maintain the maximal number of cows producing milk at optimal levels. Reproductive efficiency in dairy cattle currently is suboptimal primarily due to four factors: ...
متن کاملEpidemiology of reproductive performance in dairy cows.
The objectives of this presentation are to review results of our previous and on-going research with respect to the risk factors and consequences of poor reproductive performance in dairy cows, and to develop an economic framework to optimize decisions related to dairy cow reproductive performance. To make profitable breeding and replacement decisions, the farmer must account for factors includ...
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ژورنال
عنوان ژورنال: Kansas Agricultural Experiment Station Research Reports
سال: 1989
ISSN: 2378-5977
DOI: 10.4148/2378-5977.2992