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

Open Journal of Agricultural Research | Vol 1, Issue 2

Table 6. Direct (H I) and maternal (H M) heterosis anddirect recombination effect and their standard errors (±SE) for growth traits.

TraitsDirect heterosis(HI)Maternal heterosis(HM)Recombination(RI)
Body weights:Units ± SEH I%Units ± SEH M%Units ± SE

5 weeks-12.4 ± 10.2ns-2.848.7 ± 10.9 ns10.8-35.5 ± 19.1 ns
6 weeks57.4 ± 12.8**10.321.9 ± 12.1ns3.930.8 ± 22.2ns
8 weeks113.2 ± 18.5 **14.9100.1 ± 16.4**13.2137.4 ± 30.7**
10 weeks129.5 ± 24.3**12.7163.7 ± 21.1 **16.0236.1 ± 39.2**
12 weeks118.8 ± 29.3**9.5192.5 ± 24.2**15.4300.6 ± 45.0**
14 weeks68.1 ± 35.3 ns4.6194.0 ± 28.2 **13.2355.8 ± 52.6**
16 weeks20.9 ± 36.8 ns1.3229.4 ± 32.2**14.1458.5 ± 56.2**
18 weeks-17.4 ± 45.8ns-0.96225.7 ± 36.0**12.4529.9 ± 61.2**
20 weeks-66.9 ± 49.7 ns-3.3252.9 ± 49.2**12.4532.1 ± 61.2**

RGR at age intervals:     

5-6 week   -0.75 ± 0.70 ns-3.46.3 ± 0.66 **28.811.7  ± 1.2 **
6-8 weeks  0.54 ± 1.1ns1.810.0 ± 1.0**33.516.1 ± 1.8**
8-10 week-1.0 ± 1.1ns-3.54.1 ± 0.92**14.56.8 ± 1.7**
10-12 week  -1.8 ± 0.75**-9.5± 1.1±.62 ns5.82.9 ± 1.2**
12-14 week   -0.81 ± 0.52 ns-5.50.51 ± 0.43ns3.42.6 ± 0.69 **
14-16 week-1.2 ± 0.52 *-10.30.52 ± 0.43ns4.52.5 ± 0.72**
16-18 week  1.9 ± 0.47**17.2-0.74 ± 0.37*-6.7-0.34 ± 0.67ns
18-20 week   -0.59 ± 0.37 ns-5.7-0.48 ± 0.30ns-4.60.25 ± 0.53ns
5-20 week-9.2 ± 2.0**-7.411.7 ± 1.6**9.524.6 ± 2.9**

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