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¹ Ankara Üniversitesi Veteriner Fakültesi Zootekni Anabilim Dalı, Dışkapı/Ankara
² Arı Farma Limited Şirketi, Şaşmaz/Ankara - This research conducted in 2013 to determine some of morphological features of Aseel genotype of cocks and hens rearing in Turkey. The total of 166 cocks and 94 hens belongs to the various age groups used in the experiment were collected from the Area including Ankara, Bolu, Apapazarı and nearby regions in Turkey. The mean body weight of cocks and hens and head and body measurement was found to be 2.91; 2.05 kg, crest length 43.33; 30.92 mm, crest wide 18.73; 6.51 mm, beak length 26.35; 25.18 mm, beak wide 22.52; 21.92 mm, head length 66.65; 71.59 mm, head wide 43.19; 39.66 mm, neck length 16.48 and 13.35 cm, chest wide 115.47 and 97.40 mm chest depth 118.81 and 111.08 mm, chest circumference 38.34 and 34.13 cm, trunk length 24.22 and 22.72 cm, shank depth 5.55 and 2.67 cm, shank length 11.19 and 9.41 cm, shank diameter 5.54 and 4.74 cm, thigh length 18.74 and 15.36 cm. Body colour red cock as in chicken, chicken (73.49%) hairy (62.76%), Crest structure in both genders was seen widely in peanut type. While the live weight with chest width (P < 0.001), depth (P < 0.001) with Shank length (P < 0.05), depth (P < 0.05) and its circumference (P < 0.05) values were found significant differences among groups in terms of the age İn the Roosters. This values were significant only in head length (P<0.05) and chest circumference (P < 0.05) in terms of the age groups. As a result, some morphological characteristics of Aseel breeds that have been rearing in Anatolia for many years were determined and phenotypic variation in this genotype was found to be high in this researches. Keywords : Aseel genotype, body weight, morphological traits, rooster, Turkey