Egypt
Research Article
Risks of Some Postpartum Uterine Affection on Reproduction and Milk Yield of High Yielding Dairy Cows
Author(s): Dawod A, Mostafa I, El-Baz H, Abdel-Hamid T and Fathala MMDawod A, Mostafa I, El-Baz H, Abdel-Hamid T and Fathala MM
The objective of this study was to quantify the effect of some postpartum uterine affection on productive and reproductive performance of high yielding Holstein cows. Productive, reproductive and uterine affections data were obtained from high yielding Holstein herd within private dairy enterprise. Throughout the studying about 705 dairy records were enrolled in a randomized trial. Data of BCS, parity, calving season, milk yield (initial, peak, and 305 milk yields) and reproductive parameters (days to first estrus, days open, service per conception, intervals between heats, calving interval and pregnancy rate at 100 post last insemination) were obtained from on-farm record system (DairyComp 305). Retained placenta, puerperal metritis and mixed cases (retained placenta and puerperal metritis) were diagnosed by herd veterinarians. The treatments of such affected cases were done accordin.. Read More»
DOI:
10.4172/2157-7579.1000239
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