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Kontrola úrovně imunitní vybavenosti telat
ŠIMKOVÁ, Romana
This thesis deals with the evaluation of calves colostral immunity on a chosen dairy farm. The theoretical part is focused on the passive imunity, its function, transfer and the possibilities of its control. The next part is aimed on the factors influencing this process and on the consequences of its low level. During the study an amount of serum total proteins in calves was observed as an indicator of their passive immunity. In total, 541 blood samples were analysed via optical refractometer. The observation of several factors, such as time between birth and first feeding and use of drencher, was also included. The quality of first-fed colostrum was checked in 78 calves. Collected data were analysed statistically.

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