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

Open Journal of Agricultural Research | Vol 1, Issue 2

Table 3. st-square means body weights (g), relativegrowth rate (RGR) and their standard errors (S.E) in different genetic groups.

Genetic groups	NXN	GXG	½N½G	½N½G X½ N½G	Egy-line
Traits	Mean ± SE	Mean ± SE	Mean ± SE	Mean ± SE	Mean ± SE

Body weights:

5 weeks	444.0 ± 6.4^b	456.7 ± 8.9 ^b	499.0 ± 9.8 ^a	441.4 ± 9.4 ^b	489.0 ± 13.5^ab
6 weeks	542.9 ± 7.2 ^c	576.2 ± 10.2 ^cb	616.9 ± 11.2 ^b	575.2 ± 11.3 ^b	655.1 ± 15.2 ^a
8 weeks	713.7 ± 9.7 ^d	804.8 ± 14.5 ^c	872.5 ± 16.3 ^b	850.2 ± 15.2 ^cb	949.6 ± 20.9 ^a
10 weeks	959.8 14.8 ^d	1086.0 ± 18.4 ^c	1152.4 ± 21.2 ^cb	1175.7 ± 19.0 ^b	1262.8 ± 26.2 ^a
12 weeks	1169.4 ± 18.7^d	1327.7 ± 21.3 ^c	1367.3 ± 25.7 ^c	1421.1 ± 21.3 ^b	1529.9 ± 29.6 ^a
14 weeks	1388.2 ± 22.7 ^d	1554.0 ± 31.5 ^cb	1539.2 ± 29.5 ^c	1632.9 ± 23.9 ^b	1783.4 ± 33.8^a
16 weeks	1541.6 ± 30.3 ^d	1705.5 ± 37.0 ^b	1644.5 ± 26.7 ^c	1802.8 ± 26.6 ^b	1985.4 ± 37.8^a
18 weeks	1744.4 ± 35.3 ^c	1893.8 ± 40.2 ^b	1801.7 ± 37.2 ^b	1980.0 ± 28.7 ^c	2170.7 ± 28.7^a
20 weeks	1982.6 ± 41.4 ^c	2101.5 ± 41.1 ^b	1975.7 ± 40.1 c	2170.1 ± 44.0 ^b	2379.1 ± 44.0^a

RGR in intervals:

5-6 week	20.2 ± 0.40 ^c	23.5 ± 0.56 ^b	21.1 ± 0.62 ^c	29.9 ± 0.62 ^b	28.1 ± 0.83^a
6-8 week	27.9 ± 0.61 ^c	31.8 ± 0.91 ^b	30.4 ± 1.0 ^b	39.2 ± 0.96 ^a	36.3 ± 1.3^a
8-10 week	26.9 ± 0.64 ^d	29.6 ± 0.80 ^ab	27.2 ± 0.92 ^cd	31.8 ± 0.83^a	29.9 ± 1.1^bc
10-12 week	18.5 ± 0.48 ^ab	19.3 ± 0.55^ab	17.1 ± 0.66 ^b	19.5 ± 0.^a 55^a	19.4 ± 0.77^a
12-14 week	15.0 ± 0.47 ^a	14.7 ± 0.44 ^cb	14.0 ± 0.41 ^c	15.0 ± 0.33 ^cb	16.5 ± 0.32^b
14-16 week	11.8 ± 0.47^a	11.5 ± 0.46 ^cb	10.5 ± 041 ^c	11.8 ± 0.33 ^cb	13.02 ± 0.38^b
16-18 week	11.6 ± 0.36^a	10.5 ± 0.41 ^b	9.2 ± 0.38 ^b	10.0 ± 0.29^b	9.9 ± 0.41^b
18-20 week	11.1 ± 0.32^a	9.7 ± 0.31 ^b	9.8 ± 0.34 ^b	9.9 ± 0.23 ^b	10.9 ± 0.33^a
5-20 week	120.2 ± 1.7 ^b	127.7 ± 1.7 ^b	114.8 ± 1.6 ^c	132.1 ± 1.3^a	130.8 ± 1.8^a

RGR = Relative growth rate (%)