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¹ Bolu Abant Izzet Baysal University, Vocational school, Department of Veterinary, Mudurnu, 14800, Bolu, Türkiye
² Ankara University Faculty of Veterinary Medicine, Department of Animal Breeding and Husbandry, Altindag, 06110, Ankara, Türkiye DOI : 10.46897/livestockstudies.1120052 - The purpose of this study was to draw attention to the number of the lumbar vertebrae in BA B1 crosses (Bafra×F1 (Bafra×Akkaraman)) lambs (75% Bafra and 25% Akkaraman), and the effect of 7 lumbar vertebrae on some carcass traits. Even though some studies reported that the number of the lumbar vertebrae might be considerably different dependent on the sheep genotype, this has not been reported for Turkish breeds. While a study on the BA B1 lambs has been performed, seven lumbar vertebrae have been identified in four of the eighteen lambs. The means of the carcass length (80.800±0.583 and 84.375±1.375 cm) (P = 0.036), leg weight (5.942±0.079 and 6.209±0.052kg) (P = 0.032), loin weight (1.560±0.096 and 1.849±0.060 kg) (P = 0.048), and loin`s lean weight (0.875±0.059 and 1.058±0.032 kg) (P=0.040) were statistically different between the groups of lambs (6 and 7 lumbar vertebrae, respectively). In conclusion, the number of lumbar vertebrae has economically affected important parts of the carcass. Keywords : Lamb Lumbar vertebrae number Slaughter traits Carcass traits