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Influence of selected factors on the quality of colostrum and calves during milk nutrition
DVOŘÁKOVÁ, Petra
The basis of every breeding is successful reproduction. Without quality care for cows during pregnancy and aftercare for cows and calfs the company can not prosper. There is a series of aspects that may have negative impact on the quality of the colostrum, which affects the viabilityof the calves. The aim of this work was to literary review the effects that have an impact on the quality of the colostrum and on the calves itselves during the colostrum nutrition and the lactic nutrition. Among the analyzed effects there were selected order of lactation, age at the first calving, level of productivity, season of born of the calf, length of the dry period and the process of bloody discharge. All the data used in this thesis was obtained from reports of registration of bovine animals and reports of productivity monitoring of the agricultural association Černovice from May 2013 to December 2014. The monitored group was made of 243 cows of Czech Pied cattle and 233 calves. The paper contains an evaluation of a quality (density) of the colostrum reviewed by order of lactation, age at the first calving, level of productivity, season of birth of the calf, length of the dry period, calving interval and bloody discharge, it also contains the correlations between lactation and the quality of the colostrum, the age at the first calving and the quality of the colostrum, level of productivity and the quality of the colostrum, the season of birth of the calf and the quality of the colostrum, the time of the dry period and the quality of the colostrum, the bloody discharge and the quality of the colostrum, the length of the interim period and the quality of the colostrum and the viability of calves and the quality of the colostrum.
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