The bacterial count swerelog10-transformed prior to
analysis to ensure normality of data.Statistical analyses of
growth performance were similar to that in experiment1.
The effect of weaning age(3,4and5weeks)was tested in
a randomised complete block design with gender,ancestry
and weaning weight as blocking factors. The pair mean
was the experimental unit for growth performance ana-
lyses.For bacterial counts,the individual pig was the
experimental unit.The results were presented as least
square meansSEM. Tukey Studentized Range(HSD)test
was used for means separation.The probability level that
denotes significance was P>0.05.