نتایج جستجو برای: calf diarrhea
تعداد نتایج: 46077 فیلتر نتایج به سال:
Diarrhea is a major cause of death in calves and this linked directly to economic loss the cattle industry. Fermented milk replacer (FMR) has been used widely clinical settings for calf feeding improve its health growth. However, protective efficacy FMR on diarrhea remains unclear. In study, we verified preventive effects using an experimental infection model bovine rotavirus (BRV) newborn fiel...
Despite many reports on the shedding of Giardia parasites by scouring calves, the role of Giardia as a cause of calf diarrhea is still controversial. To elucidate the role of Giardia duodenalis in calf scours, diagnostic samples from 189 scouring calves were tested by different assays during a 1-year-study period. Giardia antigens were detected in 22/189 scouring calves by a fecal-based enzyme-...
A single experiment with a completely randomized design was conducted to evaluate the effects of long- or short-term exposure to a calf identified as persistently infected with bovine viral diarrhea virus (PI-BVD) on feedlot performance and carcass characteristics of freshly weaned, transport-stressed beef heifers. Two hundred eighty-eight heifers that had been vaccinated for BVD before weaning...
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