Abstract
The aim of the study was to substantiate physiologically the possibility of using early intensive fattening of young Tsigai sheep on diets with a high level of concentrates with the use of extruded and barohydrothermally processed feeds. The experiment was carried out during the period from 3 to 8 months on three groups, 5 lambs each, which were kept with free access to hay and concentrates. From the first day of the experiment, lambs were accustomed to consuming concentrates in plenty, by fourfold distribution of mixed feed, starting from 200 g per day and up to the maximum possible consumption (1–1.5 kg) with a two-time distribution. Animals of group I received concentrate, prepared on the basis of natural forages, group II received concentrate, in which 60% of wheat grain, barley and oats were extruded, and in group III, a similar amount of grain was processed by a baro-hydrothermal method Early intensive fattening on diets with a high level of concentrates did not adversely affect the nitrogen metabolism, morphological and biochemical composition of blood. At the age of 8 months, the live weight of sheep in I, II and III groups was 64.3; 54.6 and 59.0 kg, the average daily weight gain is 1.5–2 times higher than with the traditional fattening system. The use of extruded and baro-hydrothermally processed feeds in an amount of 60% of the concentrate weight, did not have a positive effect on metabolic state and growth rate of animals, in comparison with the use of native feed.
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Kharitonov, E., Lisova, E. (2022). Fattening of Lambs with Mixed Feeds of Different Protein Feeds. In: Muratov, A., Ignateva, S. (eds) Fundamental and Applied Scientific Research in the Development of Agriculture in the Far East (AFE-2021). AFE 2021. Lecture Notes in Networks and Systems, vol 354. Springer, Cham. https://doi.org/10.1007/978-3-030-91405-9_75
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