The short-term growth performance during the first
24 and 48 h after treatment is presented in Table 2.
Overall, no differences existed in initial BW of pigs
among the treatment (age) groups. Additionally, regardless
of age, no overall treatment effect was observed
on growth performance of pigs at 24 or 48 h after
treatment. Age affected (P < 0.01) BW, such that older
pigs weighed more initially than younger pigs, but no
treatment × age effect was detected.