Optimal rates for feeding front for cows during the milking and midlactation period when contained at dairy complexes of the industrial type

Technology should combine into a single production process biotechnical methods of stimulating the development of functional capabilities and increasing the adaptive abilities of animals with zootechnical techniques that provide comfortable conditions and preservation of the existing stereotype of housing throughout the entire technological cycle, which makes it possible to exclude unjustified losses in productivity and contributes to more complete manifestation of genetic potential. Therefore, search is required for such technological solutions that would not interfere with the animal body, but, on the contrary, would have a stimulating nature. At all stages of the productive life of animals, searches are needed to develop new and improve existing technologies that would best meet the physiological needs of the body. The paper presents the results of researches aimed to establish the optimal feeding front for lactating cows during the period of milk production and mid-lactation. It has been determined that comfortable ethological signs, expressed in the indices of food, motor and general activity, were manifested during the period of milk production in cows with a feeding front of 0.60-0.65 m/animal. These animals showed higher indicators of milk yield. For cows in the mid-lactation, the optimal feeding front was 0.45-0.50 m/animals. It allows to create more comfortable conditions for cows during the main lactation period, which contributes to more complete implementation of the genetic potential of dairy performance. The research results can be used in design and construction of industrial dairy complexes.

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