Table 1. Means, SD and coefficient of variability for body weights at different ages in the four breed groups of sheep

	♀3/4 Rahmani × ♂1/4 Romanov			Romanov			Rahmani			♀1/2 Romanov × ♂1/2 Rahmani
	Mean	SD	CV%	Mean	SD	CV%	Mean	SD	CV%	Mean	SD	CV%
BW (kg)	2.34	0.49	21.24	2.64	0.47	18.11	2.60	0.43	16.54	2.56	0.46	18.27
BW4 (kg)	9.51	4.92	51.95	12.24	3.76	30.72	11.19	2.97	26.61	10.89	3.63	40.86
BW8 (kg)	11.89	4.36	36.66	15.42	4.07	26.43	13.41	3.14	23.45	12.48	3.99	31.90
BW12 (kg)	14.66	4.84	33.07	18.00	4.60	25.55	15.54	3.44	22.20	15.32	4.80	31.30

No. of records = 651.
CV, coefficient of variation; BW, birth weight; BW4, body weight at one month; BW8, body weight at two months; BW12, body weight at weaning weight.