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TITLE:

THE QUALITY AND COMPOSITION OF WOOL TUVA YAKS

AUTHORS:

Raisa Irgit, Sayana Mongush, Chechek Homushku, Sayana Biche-Ool, Ekaterina Oorzhak, Yusup Yuldashbaev

ABSTRACT:

In the global market, demand for products from natural down and wool continues to rise. In this regard, scientific studies on the quality of yak down and its use in the development of products are very relevant. In the Republic of Tyva, yaks are bred from ancient times and at present there are gene pool farms selling breeding yaks to other regions of Russia, but the wool productivity and quality of yaks of the Tuvan population has not been studied enough. We studied the hair samples of males and females of 1.5 and 3 years old, taken from two parts of the body according to the composition, length and diameter of the wool fibers. The results of the study showed that yak wool contains from 64.7 to 72.3% of downy fibers, valuable for the processing industry, the composition of yak wool depends on age and sex, the largest proportion of down in wool of young animals, down from the body is 1.5- In terms of their quality, summer yaks correspond to the 58th, 3-year-olds - and the 50th quality of sheep wool, which meets the requirements for the production of wool products. Keywords: yak, yak breeding, wool, wool composition, down, down products, quality.

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