The aim of the research was to conduct laboratory studies of physical and technical properties of the wool of semi-coarse-grained hybrid sheep of desired type, bred in the Republic of Khakassia. The objects of the study were all gender and age groups of crossbred sheep produced meat and wool teams responsible to develop the requirements for the breeding of semi-coarse-grained sheep in the conditions of Khakassia. Laboratory studies of basic qualities of wool of all sex-age groups of sheep of the new genotype were carried out. To characterize the quality of the wool 15 samples were selected from the animals of each sex-age group. The study of wool productivity was carried out on the basis of the results of boning and the data on the ac-count of wool clipping. The study of the wool fineness was conducted in the laboratory of the Institute of Agrar-ian Problems of Khakassia on the device Lanotester-2. Shearing raw wool was taken into account at the time of shearing individually by each animal to the nearest 0.1 kg. As a result of conducted studies, it was found out that the wool of the sheep of new genotype consist-ed mainly of down and transient hair, having a small amount of coarse awn. The thickness of the fluff from the rams was in the range of 18.8 to 23.5 microns, tran-sitional hair - 35.5-43.5, spine - 51.5-55.5 micron; on group it was bright - 15.5-25.5 and 33.5-41.5 respec-tively, an awn in insignificant quantity at certain animals within 1,5-3,5%. Bunnies fluff was 20.6-22.5 microns, transitional hair - 36.6 - 38.5 and awn - 51.6 - 53.5. The thickness of feather fibers ewes group was 13.5-23.5 microns transition hair - 33.5-39.5 and spine - 51.5-55.5 microns bright 15.5-25.5 and 33.5-41.5, re-spectively, a small number in individual animals in the range of 1.5-3.5 %. The wool of the animals from exper-imental group consisted generally of down (75.3- 85.4 %), transitional hair (13.9-19.4) and insignificant quantity of awn (0.3-7.8 %). Conducted laboratory stud-ies gave the chance to establish the quality of the wool of the sheep being bred most accurately and further to carry out targeted selection for improving wool produc-tivity.
quality, desirable type, length, degree of fineness, hybrids, wool, down, awn a, transitional hair
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