项目

对照组

试验1组

试验2组

试验3组

37日龄

160.33 ± 7.33^a

166.44 ± 6.12^a

174.46 ± 6.25^a

178.98 ± 15.51^b

44日龄

161.20 ± 3.95^a

169.38 ± 2.44^b

169.64 ± 2.72^b

172.40 ± 5.36^c

51日龄

125.13 ± 18.16^a

166.49 ± 11.93^c

173.56 ± 11.34^c

178.18 ± 11.10^c

31~51日龄

148.89 ± 20.42^a

170.14 ± 9.01^c

170.35 ± 4.90^c

178.87 ± 10.23^c