Risk factors for postpartum uterine diseases in dairy cows
نویسندگان
چکیده
منابع مشابه
Postpartum uterine diseases in dairy cows
Uterine diseases in dairy cows can be classified as puerperal metritis, clinical metritis, clinical endometritis, and subclinical endometritis. These diseases are highly prevalent (affect between 20 and 30% of dairy cows) in high producing dairy cows and have been associated with decreased pregnancy per artificial insemination (AI), extended interval to pregnancy, increased culling, and economi...
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The association between some risk factors and the presentation of post-partum uterine infections in dairy cattle has been established. However, this association is not comprehensive and the role of other factors has not been widely studied. Here the importance of age, parity, calving season, dystocia and retained foetal membranes (RFMs) was established as some of the potential risk factors for ...
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Periparturient period in dairy cows is accompanied by numerous physiological, metabolic and nutritive changes. The way in which they occur and develop have a great influence on lactation performances, subclinical and clinical postparturient diseases and reproductive disorders, thus affecting the profitability as well. During periparturient period dairy cows may subject to the immune system func...
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Uterine infection is a major problem in reproductive management and inefficient estrous detection. The bovine uterus is sterile before calving and the cervix provides a barrier against intrauterine invasion by pathogens during gestation1. Following calving, the uterus may become infected due to presence of infectious or non-specific microorganisms. Several bacterial, protozoan, viral and mycopl...
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This study was carried out in a commercial herd from 2008 to 2012 in order to determine the most prevalent reasons for culling Holstein cows and to assess the effects of risk factors. Overall, 519 (28.2%) cows were culled for involuntary (98.8%) and voluntary (1.2%) reasons. The involuntary causes of culling were diseases (38.7%), reproduction problems (36.0%), udder disorders (7.7%), lameness ...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2010
ISSN: 0022-0302
DOI: 10.3168/jds.2010-3429