[Effect of animal care on various indicators of nonspecific immunity in calves in the first few days of life].
Investigations at newborn calf were performed in order to estimate an influence of different management and housing factors on the formation of serum protein level with its fractions, parameters of white blood cell system, phagocytic activity and NBT reduction test. The investigations were accomplished in 3 groups of calves (group I and II, 45 calves in each, from two identical industrial sheds, type UO-500, and group III--200 calves from 21 traditional sheds). It was established that the way of calf feeding by beestings in the first days of life essentially influenced on the formation of nonspecific cell immunity. Calves from Z (feeding from bucket and being in individual cages) suffered and died more often, showed much worse growth and characterized by decreased levels of serum protein with gammaglobulin fraction as well as they had lower index values of nonspecific cell immunity in the comparison to the calf left with mother--cows. It was showed that in the first three days of calf life there is a reverse proportional dependence between the phagocytic activity value and the neutrophils number of peripheric blood. In the present stage of knowledge the NBT reduction test has had limited diagnostic value. The investigations on test usefulness for veterinary diagnosis should be continuing for both cognitive and practical aspects.
D000821:Animal Feed; D000818:Animals; D000831:Animals, Newborn / Q000276:immunology*; D002417:Cattle / Q000276:immunology*; D003126:Colostrum / Q000276:immunology; D006799:Housing, Animal; D007113:Immunity, Innate
Wpływ warunków wychowu na niektóre wskaźniki nieswoistej odporności u cielat w pierwszych dniach zycia.