eng Oriental Scientific Publishing Company Biosciences Biotechnology Research Asia 0973-1245 2016-06-20 12 Spl.Edn.2 225 231 10.13005/bbra/2194 12885 article Nazym E. Alzhaxina 1 Kyrgyzbay N. Begembekov 1 Gulzhan A. Kulmanova 1 Ahmet Aslan 2 Asiya O. Utegenova 3 Kazakh National Agrarian University, 8 Abay Street, Almaty, Kazakhstan, 050010. Ege University, Izmir, Turkiye, 35100 Bornova. State University Named After Shakarim of Semey, 20 A Glinka Street, Semey, Kazakhstan, 071412. An article is considered the creation history, current state and features of sheep of new farm lines the semi-coarse-wolled of the sheep of Aktogay population, bred based on use of animal different genotypes the fat-rumped sheep of breeds at the Aktogay region of the Karaganda region. It is provided data of a phenotypic variation of signs at linear animals. In posterity of linear breeder the specific weight of animals of desirable type is made 80 – 85%. Level of efficiency of the animal created new lines the semi-coarse-wolled sheep of Aktogay population at the pedigree farms of the Aktogay area considerably exceeds demands, made to animals of elite class with wool shearing rams for 20,0 – 35%, dams – for 18 - 30%, and on live weight, respectively: 13 – 16 and 6 – 8%. https://www.biotech-asia.org/vol12_nospl_edn2/features-of-aktogay-sheep-of-different-lines/ Genotype; Breed; Population; Fitness of lines of sheep; Efficiency; Semi-coarse; Carpet wool; live weight