Page 5 of articles about probiotic
Dietary Lactobacillus brevis supplement on the performance and immune function of piglets
Sows supplemented with probiotics and their effects on their offspring

Effect of different factors on the piglet gut microbiota
The feeding practices, the choice of the raw materials and the addition of additives have the potential of modulating the GI microbiota, reducing the energy cost for maintenance and also controlling the pathogenic bacteria.