INFLUENCE OF DAIRY COWS FEEDING ON THE CONTENT OF UREA IN MILK
##plugins.pubIds.doi.readerDisplayName##:
https://doi.org/10.51452/kazatu.2021.3(110).747Ключевые слова:
Milk productivity, Milk productivityfat, fatprotein, proteinureа, ureafee, feedchemical composition, chemical compositionnutritional value, nutritional valueАннотация
The article shows the results of the feedinglevel and the health status of dairy cows in a commercial dairy farm on the content of the main components in milk (fat, protein, urea). The research goal was to investigate the milk productivity and milk composition of cows, to analyze the level of feeding and the content of basic nutrients in the diet of the farm. The object of the research was Holstein cows in the amount of 483 heads of Aina Dairy Farm LLP. The studies were carried out according to generally accepted zootechnical methods using modern equipment for conducting analyzes and interstate and state standards. An increase in the norm of the content of crude protein in the dairy cows’ ration to 17.4% of dry mattergot to an increase in the content of urea level by 2.3% in comparison with the norm in the milk of cows of the first group, while the content of urea level in the milk of the second group remained within the limits valid values.
