Immunoglobulin concentration in blood serum of postcolostral calves - ratio between immunoglobulin level and appearance of enzootic pneumonia
2007
Jonic, B., Fakultet veterinarske medicine, Beograd (Serbia). Katedra za bolesti papkara
The examinations were performed on a cattle farm where brochopneumonia was one of the most significant health problems, and a group of 39 calves were selected for the examinations. The calves were fed with their mother colostrum after birth, and then with collective milk. Immunoglobulin concentration was determined in blood samples taken during the postcolostral period, with the method using zinc-sulphate. At the age of 40 days, the calves were administered a polyvalent inactivated vaccine, and revaccinated 20 days after that (Vibak, Veterinary Department, Subotica (Serbia)). In 74.34% calves, the immunoglobulin G concentration was lower, from 8 to 25 g/l. The calves found to have a lower concentration of immunoglobulin in blood contracted bronchopneumonia more frequently, and the outcome of the disease in some cases was mortality, even.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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