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Abstract
Darcan, N. and Güney, O. 2000. Effects of haemoglobin and transferrin polymorphisms on the performance of Awassi and crossbred ewes under subtropic environment. J. Appl. Anim. Res., 19: 187–192.
Performance (lactation milk yield, prolificacy, fertility and litter size) and polymorphisms of two biochemical systems (haemoglobin and transferrin) of pure Awassi and Çukurova Assaf (Ç. Assaf, 5/8 Awassi + 3/8 East Friesian) and influences of Hb, Tf titred groups on performances of two genotypes were examined. Performance of Awassi and Ç. Assaf ewes were significantly different. Furthermore, there was significant difference between lamb weights at birth and weaning (P<0.01), while no significant differences between haemoglobin and transferrin types of pure Awassi and Ç. Assaf (P>0.05) were found. It was confirmed that haemoglobin and transferrin polymorphisms were found to be effective on the performances of Awassi and Çukurova Assaf breeds.