Influence of energy supplement «Avatar» on reproductive quality and milk productivity of cows

A scientific-economic experiment was conducted on highly productive black and white cows by the method of analog groups on the basis of one of the best farms of the Vologda region to identify the effectiveness of energy supplement “Avatar” produced by “AgroBalt Trade”. The experiment was conducted on cows in a transit period. Different dose combinations were tested. The effectiveness of the energy supplement “Avatar” on milk production at a dose of 500 g before calving and 700 g after calving was revealed. The economic efficiency of the supplement was 80.92 rubles per cow per day.

Biochemical blood test in high-yielding lactating cows during the initial stage of lactation depending on the housing system

The biochemical parameters of blood in high-yielding lactating dairy cows during the initial stage of lactation and the tightness of this stage depending on the housing system have been studied. Innovative cattle housing and milking methods are considered in comparison with the classic tied housing system. The authors point out that the basis of effective dairy farming is the organization of standardized feeding system, and its impact on the condition of the animal.

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