Table 1 Body weight (mean ± standard error) of LS and NS female birds and their F₁ and F₂ hybrids from 0 to 16 weeks of age.

WK 0

8.19 ± 0.11^a

6.09 ± 0.07^d

6.89 ± 0.19 ^c

8.54 ± 0.12^a

7.38 ± 0.07^b

7.38 ± 0.05^b

WK 1

27.21 ± 0.41^ab

21.29 ± 0.36^d

25.62 ± 0.49^bc

28.52 ± 0.42^a

24.20 ± 0.25^c

24.02 ± 0.27^c

WK 2

56.72 ± 0.95^a

44.02 ± 0.58^d

52.27 ± 1.07^b

57.66 ± 0.71^a

49.30 ± 0.50^bc

47.47 ± 0.57^c

WK 3

95.96 ± 1.45^a

71.77 ± 0.72^e

88.51 ± 1.61^b

94.27 ± 0.99^ab

80.83 ± 0.78^c

77.36 ± 0.72^d

WK 4

136.58 ± 1.66^a

93.41 ± 0.94^e

119.44 ± 1.41^b

120.94 ± 1.39^b

109.92 ± 0.89^c

101.75 ± 0.92^d

WK 5

156.48 ± 1.79^a

110.25 ± 1.26^e

140.06 ± 1.94^b

144.68 ± 1.82^b

126.73 ± 1.07^c

122.57 ± 0.95^d

WK 6

190.49 ± 2.18^a

127.26 ± 1.69^e

160.82 ± 2.40^b

161.33 ± 2.40^b

146.36 ± 1.20^c

140.21 ± 1.21^d

WK 7

206.44 ± 2.24^a

133.40 ± 1.88^e

165.45 ± 2.34^b

164.41 ± 1.60^bc

156.78 ± 1.27^c

146.80 ± 1.28^d

WK 8

211.60 ± 2.40^a

133.69 ± 1.94^e

165.55 ± 2.55^bc

169.41 ± 2.02^b

159.48 ± 1.25^c

150.52 ± 1.27^d

WK 9

214.86 ± 2.67^a

138.86 ± 1.83^e

166.14 ± 2.57^bc

170.96 ± 1.83^b

161.68 ± 1.27^c

152.08 ± 1.29^d

WK 10

219.96 ± 2.41^a

141.96 ± 1.82^e

173.47 ± 2.55^b

175.55 ± 1.92^b

164.16 ± 1.22^c

155.42 ± 1.27^d

WK 11

222.21 ± 2.69^a

141.79 ± 1.70^e

172.07 ± 2.49^bc

178.06 ± 2.14^b

165.54 ± 1.28^c

155.83 ± 1.41^d

WK 12

221.88 ± 2.73^a

142.78 ± 1.93^d

171.43 ± 2.85^b

175.87 ± 2.45^b

166.59 ± 1.25^b

158.18 ± 1.38^c

WK 13

222.30 ± 2.81^a

142.90 ± 1.79^e

173.98 ± 2.74^bc

179.90 ± 2.51^b

167.33 ± 1.25^c

159.14 ± 1.42^d

WK 14

224.78 ± 2.82^a

145.01 ± 1.81^e

173.89 ± 3.05^bc

179.63 ± 2.46^b

169.09 ± 1.29^c

160.16 ± 1.45^d

WK 15

226.11 ± 3.08^a

143.52 ± 1.84^d

173.80 ± 2.77^b

178.86 ± 2.39^b

169.64 ± 1.28^b

161.41 ± 1.42^c

WK 16

225.76 ± 3.13^a

145.02 ± 1.89^e

174.82 ± 2.84^bc

178.51 ± 2.41^b

168.15 ± 1.32^c

161.61 ± 1.54^d