Serum IgA content (mg/mL) in piglets fed without (Control;
n = 19) or with (Supplemented; n = 15) supplementation of live yeast
Saccharomyces cerevisiae strain CNCM I-4407 (Actisaf; Lesaffre Feed
Additives, Marcq-en-Baroeul, France). Values represent the mean ± SEM.
A statistically significant difference was observed between treatments (P <
0.05). Differences indicated for each time point are *P < 0.05 and **P < 0.01.
Replication effect was not significant (P > 0.05