Effects of Dietary Medlar ( L.) Extract on Growth Performance, Innate Immune Characteristics, Antioxidant Status, and Responses to Crowding Stress in Rainbow Trout ().

High stocking density is a stress factor that potentially affects physiological and immune responses. In this study, the effects of medlar () extract (ME) supplementation on growth performance, antioxidant, immune status, and stress responses in rainbow trout () were studied. Six hundred fish (40.