Reproductive performance of dairy cows affected by endometritis, pododermatitis and mastitis

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Cytological endometritis in dairy cows: diagnostic threshold, risk factors, and impact on reproductive performance

We determined the threshold proportion of polymorphonuclear leukocytes (PMNs) for a diagnosis of cytological endometritis (CEM), the risk factors for this condition, and its impact on reproductive performance in dairy cows. Uterine cytology was performed on 407 Holstein cows 4 weeks postpartum to determine the proportions of endometrial cells and PMNs. A receiver operator characteristics curve ...

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Epidemiology 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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Characterization of Endometritis in Postpartum Dairy Cows

................................................................................................................................. iii DEDICATION............................................................................................................................... v TABLE OF CONTENTS.............................................................................................................

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Effects of Clinical Mastitis on Reproductive Performance in Holstein Cows

Gunay A., U. Gunay: Effects of Clinical Mastitis on Reproductive Performance in Holstein Cows. Acta Vet. Brno 2008, 77: 555-560. The objective of this study was to determine the effects of clinical mastitis on reproductive performance in 135 early lactation cows. The animals were divided into two groups according to the occurrence of mastitis as follows: group I (n = 45), clinical mastitis prio...

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ژورنال

عنوان ژورنال: African Journal of Biotechnology

سال: 2015

ISSN: 1684-5315

DOI: 10.5897/ajb2015.14592