Продуктивные и интерьерные особенности каракульских овец сур разных этологических типов

Аннотация

Objects of investigation: pure bred karakul sheep and lambs of sur colouring of different etological types and age groups. Purpose of work: investigation of productive and interior peculiarities of sur karakul sheep of different etological types in the conditions of pasture maintenance. Methods of research: zootcchnical, ctolodical, biological, statistical. The results obtained and their novelty: For the first in the conditions of pasture maintenance the resemblance and distinctions of productive and interior peculiarities of sur karakul sheep of different etological types were investigated and revealed. The superiority of sheep and its generation of first etological types according to the use and digestibility of pasture fodder, productive, interior peculiarities, indexes of growth and development has been scientifically well -grounded et was investigated that sheep of given type have the superiority in comparison with sheep of 23 types according food activity on 5, 7 - 12, 0%, fertility in 5-10%, daily milk productive on 40-115g. wool productivity on 8,7-16,4%; they had better saturation of blood with erythrocytes, hemoglobin, total protein - that indicates about better proceeding in their organisms of oxidizing -deoxidizing processes. Practical value: The use of etological differentiation of karakul sheep in the selection word promotes for the better use of pasture fodder and effective digestion of nutritive substances, increasing meat, wool and milk productivity and level of profitabless on 7,4 - 8,5%. Degree of embed and economical efficiency: The results of investigation can be successfully applicatcd in all karakul husbandry. At present, they arc successfully introduced in the karakul husbandry “Istiklol” (the former by F. Khodjacv) in Navoi region and provides the additional profit from 1 sheep about 1476, 2-22301, 7 sum. Field of application: The karakul sheep branch of agriculture in the Republic Uzbekistan.