Authors: İSMET DOĞAN, ABDULKADİR AKCAN, MEHMET KOÇ
Abstract: This study was carried out to determine height at withers, heart girth and cannon bone circumference measurements in purebred Arabian colts and fillies at Çifteler State Farm. Data obtained from the 1980-1998 marketing catalogue, which includes 535 colts and 392 fillies in Çifteler State Farm, were used. The average values of height at withers, heart girth, and cannon bone circumference for 224 colts and 319 fillies younger than 24 months were calculated to be 141.634±0.212 cm, 152.99±0.33 cm and 17.87±0.04 cm; and 140.826±0.18 cm, 153.94±0.33 cm, and 17.47±0.04 cm, respectively. In addition, the average values of these body measurements were calculated for 311 colts and 73 fillies 25-36 months old as follows: 152.099±0.16 cm, 173.61±0.25 cm and 19.58±0.03 cm; and 149.288±0.32 cm, 171.26±0.69 cm and 18.28±0.07 cm, respectively. In both sexes, the phenotypic correlation coefficients were calculated among height at withers, heart girth, cannon bone circumference and age. High and positive correlation (coefficients (r) were obtained among height at withers, heart girth, cannon bone circumference and age (p<0.000). Heritability degrees were estimated by the half-sib correlation method. Heritability degrees (h^2) for height at withers, heart girth and cannon bone circumference were estimated to be 0.23, 0.22 and 0.25 respectively.
Keywords: Arabian Colts, Fillies, Body measurements, Phenotypic correlation, Heritability
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