Study on physic-mechanical characteristics of wool from ewes of Tracian fine-wool breed and their crosses with Australian merino rams

Slavova, P.

Zhivotnov"dni Nauki 37(1): 5-10


Accession: 011418328

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The study was carried out in the Institute of Cattle and Sheep breeding - Stara Zagora with 51 ewes of Tracian fine-wool breed, 44 ewes crosses with 50% Australian merino and 48 ewes crosses with 25% Australian merino blood at 1.5 and 2.5 years old. Physic-mechanical characteristics of wool (fiber diameter, number of curls per 1 cm, staple length, real fiber length, strength and elasticity) were determined. The obtained results gave a reason for making the following conclusions: - using of Australian merino as a sire breed in crossing of ewes of Tracian merino breed led to obtaining of crosses with better quality characteristics of wool compared to these of maternal breed; - with the increase of Australian merino blood percentage the wool become more tender, with higher staple and real fiber length, with better expressed curliness, better relative strength and elasticity, combined with better topographical and staple uniformity.