Hybridization of gray Astrakhan sheep with Central Asiatic sheep Heredity and variability of plants, animals, and microorganisms

Rakhimov, A.A.

Nasledstvennost' i izmenchivost' rastenii, zhivotnykh i mikroorganizmov 797-801


Accession: 024805939

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Hybridization of Astrakhan sheep with Central Asiatic sheep is aimed at the increase in vitality of gray astrakhans. Cooled and diluted semen extracted with a glass syringe from the testes of slaughtered Central Asiatic sheep, 6- 8 hours after death, was used for insemination of Astrakhan sheep. Hybrid offspring (5 males and 3 females) were obtained in the spring of 1955. By voluntary mating and artificial insemination of gray Astrakhan ewes with hybrid rams, 78 hybrid animals were obtained in the second generation, 66.6% of which were gray. There were no albino lambs. The live weight of hybrids was on the average 36.1% higher than that of pure Astrakhan sheep. The quality of astrakhan was on the whole satisfactory. The hybrids revealed great motility and increased vitality.