37 Queens on the 64th day of pregnancy were evaluated for body condition and they were divided into three Groups. Group 1 4-5 kg body weight 4 Queens Group 2 5-6 kg body weight 14 Queens Group 3 6-7 kg body weight 19 Queens The Parameter: A means Age of the Queen in years, B means Gestation length in days, C means Number kitten born, D Stillbirths per Group, E Cesarean Section, were evaluated. Group 1 showed in the parameters D and E significant better performance when compared to Group 2 and 3.