Table 3

Associations of MR5 with chicken growth traits

Traits1
P value
Least squares Mean ± S.E2





CC (331)
CT (92)
TT (28)

BW at 21 days (g)
0.0469
211.8 ± 1.92a
206.4 ± 3.67ab
196.4 ± 5.83b
BW at 28 days (g)
0.0045
313.3 ± 3.04A
301.8 ± 5.83A
281.0 ± 9.11B
BW at 35 days (g)
0.0153
441.3 ± 4.73a
415.6 ± 9.11b
402.5 ± 14.24b
SD at 63 days (mm)
0.0284
9.45 ± 0.13ab
8.93 ± 0.23a
9.69 ± 0.36b
ADG at 0–4 weeks (g/d)
0.0051
10.11 ± 0.11A
9.74 ± 0.21A
8.96 ± 0.32B

1BW = body weight; SD = shank diameter at 63 d of age; ADG = average daily gain. 2 Numbers in bracket referred to sample size for each genotype. a,b Means within a row with no common superscript differ significantly (P < 0.05). A,B Means within a row with no common superscript differ highly significantly (P < 0.01).

Nie et al. BMC Genetics 2008 9:20   doi:10.1186/1471-2156-9-20