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SCIENCE-BASED USE OF MOUNTAIN FORAGE LANDS AND THEIR IMPACT ON THE PRODUCTIVE AND BIOLOGICAL PECULIARITIES OF FATTENING YOUNG CATTLE DURING THE SUMMER

Ugoretz Valentino Iosifovna, Kairov Valery Ramazanovich, Kebekov Murat Ekhyaevich, Gogaev Oleg Kazbekovich, Soldatova Irina Eduardovna, Soldatov Eduard Dmitrievich

Development of the livestock industry is based on the creation of a stable fodder base. The mountainous part of RNO-Alania is one of the factors of natural livestock providing with mountain pastures. Feed produced in pastures is of low cost and increasing its share in animal diets will help to reduce the cost per unit of animal product. In this regard, experimental studies on science-based use of mountain forage lands and their impact on the productive and biological peculiarities of fattening young bull-calves were performed at the mountain station of the Dargavskaya hollow belonging to the seventh agro-climatic region [1]. Two groups of six calves each – control and experimental, which were used during scientific and economic and physiological studies were formed by the analogue scale for the stationary experiment including age, live weight and physiological state [14]. The control group used natural pasture grasses, experimental animals grazed in improved, fertilized with bio-logicals, agricultural ores and sheep manure pastures. Studies found that the application of fertilizers and bio-additives contributed to a better use of pasture feed, extension of the grazing period to 180 days and increase in the load per 1 ha from 0,8 (in the control variant) to 3,86 animal units, while reducing the cost of 1 feed unit by 2,5 times (1,53 versus 0,60 roubles) and realiz-ing additional profit on experimental bulls – 5.56 % per head that is 4460 roubles. Keywords: pastures, biological additives, fertilizers, bull-calves, blood, live weight.

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