Genetic Evaluation of Growth Traits in New Synthetic Rabbit Line in Egypt

Table 4. The improvement in synthetic line, (Egy-line) comparing topurebreds for body weights and relative growth traits.

	Improvement in Egy-line relative to
Traits	NMER (N)	Ganit Flander (G)
Body weights at age:	Contrast ± SE	Contrast ± SE
5 weeks	45.0 ± 14.9 ^**	32.0 ± 16.2 ^**
6 weeks	112.2 ± 16.8^**	78..9 ± 18.3^**
8 weeks	235.9 ± 23.0^**	144.8 ± 25.4^**
10 weeks	303.0 ± 30.1^**	176.8 ± 32.0^**
12 weeks	360.5 ± 34.9^**	202.2 ± 36.5^**
14 weeks	395.2 ± 40.7 ^**	229.4 ± 46.2^**
16 weeks	443.8 ± 48.8 ^**	279.9 ± 52.9^**
18 weeks	426.3 ± 45.5^**	276.9 ± 49.4^**
20 weeks	396.5 ± 60.7 ^**	277.6 ± 60.2^**

RGR at age intervals:

5-6 week	7.9 ± 0.92 ^**	4.6 ± 1.0^**
6-8 weeks	8.4 ± 1.4^**	4.5 ± 1.6^**
8-10 week	3.0 ± 1.6^*	0.30 ± 1.9^ns
10-12 week	0.90 ± 0.91^ns	0.10 ± 0.95^ns
12-14 week	1.5 ± 0.57 ^**	1.8 ± 0.54^**
14-16 week	1.2 ±0.60^*	1.5 ± 0.59^**
16-18 week	-1.7 ± 0.55**	-0.60 ± 0.58ns
18-20 week	-0.20 ± 0.46 ^ns	1.2 ± 0.45 ^**
5-20 week	10.6 ±2.5^**	3.1 ± 2.4 ^ns

NS= not significant at P > 0.05; * = P < 0.05; ** = P < 0.01; RGR = relative growth traits