This study was conducted from data from 3 years of research performed at the Turkgeldi State Farm in 1997-2000. A total of 1053 Turkgeldi Pro-type B-1 Tahirova x Kivircik sheep including mature and young individuals were used as the study material. Litter size and fecundity were 1.42 and 1.51, respectively. The averages of birth weights and weaning weights were 3.43 and 20.04 kg, respectively. The average lactation milk yield was 100.62 kg, and the lactation period was 174.90 days. The levels of milk fat, protein, dry matter, ash and casein were 7.36%, 5.28%, 18.72%, 0.98% and 4.37%. respectively.