Respiratory disorders and tail biting represent common issues in pig husbandry. Dietary supplementation with a combination of microbes and herbal extracts could offer welfare benefits. The aim of this study was to investigate the effect of a fermented herbal extract (FHE), a blend of fermented herbs, lactobacilli and yeasts, on behavior, aspects of health and productivity in rearing and fattening pigs. Two commercial Austrian welfare label farms, raising pigs with intact tails, were included ove