Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Degtyar Anna Sergeevna

Scholastic degree

Academic rank

associated professor

Honorary rank

Organization, job position

Don state agrarian University

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Articles count: 5

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abstract 1051501049 issue 105 pp. 802 – 812 30.01.2015 ru 854
The article presents the results of the control slaughter of purebred and crossbred lambs. It was found that the index of compactness and the main killer performance superiority had two or three breed lambs obtained from crosses involving sheep southern meat breed. The experimental animals were taken measurements of carcasses, which give a fairly complete and objective view of the differences in the length of the torso, hips, mascara and hip girth. There are specific differences in the yield of the most valuable cuts of the first grade the rams depending on the origin. The superiority of crossbred calves over the control for this indicator amounted to 16.4 and 33.4%. The chemical composition of the meat fine-wool lambs contained more moisture and less fat and less calories than meat crossbred animals. Increasing the hybrids values of the protein quality index indicates an increase in meat share of muscle proteins and the reduction of connective tissue, and consequently, improving the quality of the raw meat. Animals obtained by crossing, have wide and deep body, well-developed muscles of the thighs, the best quality characteristics of meat productivity
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abstract 1041410060 issue 104 pp. 798 – 808 30.12.2014 ru 1164
The article presents some results of the industrial breeding of fine-wool ewes with rams of semi finewooled sheep breeds
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abstract 1341710071 issue 134 pp. 884 – 894 29.12.2017 ru 352
The study of the productive qualities of crossbred offspring from different breeding combinations and identifying the most effective ones providing the maximum increase in the production of high quality lamb while reducing its cost is an important problem and is essential for further development of methods of creating a new type of precocious meat and wool sheep. In the Rostov region in the result of the establishment of populations of meat-wool sheep there are several groups of animals with different characteristics and hereditary inclinations. As the base of the work there is a method of mating and breeding of sheep of the desired type. The article presents the results of one of the fragments of a large complex work in which the possibility of using three-pedigree hybrids, created with the involvement of potential salskaya, edilbaevskaya and intense meat-wool breed, which is severokavkazskaya, to improve productive quality in the breeding of sheep. We have evaluated productivity and biological features of hybrids and proved the economic efficiency of their use in the production of mutton. We have given the results of the control slaughter and assessment of qualitative indicators of the meat of young sheep. The set of indicators characterizing meat productivity and meat quality revealed that the superiority of the studied indicators remained for two - and three-bred cross cattle. Hybrids have a higher rate of growth and quality parameters of meat productivity. These options are simple and complex industrial crossing are promising and can be implemented and used on the farms of the zone of breeding Merino sheep. Thus, the use of crossbreeding gives an opportunity to convert a flock of sheep in the desired direction quickly. At the same time, three-pedigree hybrids better combine the valuable qualities of the used species
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abstract 1171603022 issue 117 pp. 372 – 382 31.03.2016 ru 623
The article presents the results of the qualitative assessment of meat of crossbred rams. The analysis of the data shows that crossbred rams of 2, 3 and 4 groups increased the absolute mass of muscle tissue compared with purebred 12.3; of 18.2 and 25.6%, respectively. Fine-wooled rams were superior in the relative content of bone in carcasses of crossbred 1.1- 4.2 percent. Output of pulp for 1 kg of bones had the advantage of crossbred rams 2, 3 and 4 groups compared with purebred 0.12; 0.24 percent and 0.44 kg respectively. The analysis of the data shows that in carcasses of young animals of all the groups the greatest specific weight took cuts of the 1st sort. Nevertheless, the valuable parts to carcass weight balance was higher in the carcasses of the crossbred calves. So, rams 2, 3 and 4 groups, this advantage was 1.9; 4.5 and 4.7%, respectively. Thus, the analysis of a complex of indicators characterizing the quality of meat rams of different genotypes revealed that the superiority for the studied indices took place for two - and three-bred animals. These options of both simple and complex industrial crossing are promising and can be implemented and used in the farms of Merino and crossbred sheep