In Vivo (Dairy Calves) and in Vitro Studies with Surface-Active Agents

Recently it has been suggested that various surface-active agents when administered in the diet may effect growth responses similar to those observed with antibiotics. The reports have not been entirely consistent, however, for in some studies detergents have been found to stimulate growth in chicks Since the same detergents were not used in all of the studies, the observed differences may have been due to this variation.