Molochnokhozyaistvenny Vestnik

The article describes the results of a study of the parasitofauna of small ruminants in the Vologda Region. Parasitizing of 13 species of helminths belonging to 2 classes Cestoda and Nematoda has been established in sheep. Infection of sheep with helminths of Strongylata makes 16.6 to 100%. The species composition of goat helminths in the private subsidiary farms of the Vologda Region is represented by 9 types of helminths belonging to the Nematoda class.

The aim of the study is to establish correlation links between the indices of natural resistance, morpho-biochemical and coagulation blood composition in calves.

Black-and-white calves up to 30 days old have been divided into 2 groups: healthy calves and calves with dyspepsia. Hematological and statistical methods of investigation are used in the work.

The article describes the results of a comprehensive study extruded feed and extruded feed with phytobiotics influencing on the health and growth of feeder young cattle (Ayrshire breed). The research methods: clinical, microbiological, statistical, biochemical analysis. The results of the study showed that the use of extruded grains and extruded grains with phytobiotics increases meat productivity, has a positive impact on the development of animals, reduces the cost of production per production unit.

The article presents the study results of the effect of the yeast supplements “Optisaf” and “Progut Rumen” on the productivity and quality milk indicators from highly productive cows. It has been established that at the doses recommended by the manufacturer, their use improves the eatability of feed of the basic diet, increases the milk productivity and leads to an increase in the mass fraction of fat.