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The relationship between mastitis and retained placenta in a commercial population of holstein dairy cows |
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| Institution: | 1. Livestock Research Centre (LRC), Southern Regional Station (SRS), ICAR-National Dairy Research Institute (NDRI), Adugodi, Bengaluru 560 030, Karnataka, India;2. LRC, SRS, ICAR-NDRI, Adugodi, Bengaluru, India;3. Division of Animal Physiology, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Adugodi, Bengaluru 560 030, Karnataka, India;4. Division of Animal Nutrition, ICAR-NIANP, Adugodi, Bengaluru, India;5. SRS, ICAR-NDRI, Adugodi, Bengaluru, India |
| Abstract: | The relationship between retained placenta and mastitis was studied in a population of dairy cows on commercial farms. Only mastitis cases which occurred shortly after calving were studied. The cows with retained placenta were at a higher risk of developing non-severe mastitis (relative risk = 1.5) and at a much higher risk of developing severe mastitis (relative risk = 5.4). There was a differential effect of long-term (> 6 days) versus short-term (< 5 days) retained placenta.It is suggested that the relationship between retained placenta and mastitis is moderated by the prepartum peripheral leukocyte activity. |
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