Different doses of tannin reflect a double-edged impact on broiler chicken immunity Protective effects of probiotics against tannin-induced immunosuppression in broiler chickens Effects of branched-chain amino acids on immune status of young racing horses Studies on the immune status of calves with chronic inflammation and thymus atrophy Exposure to oxyfluorfen-induced hematobiochemical alterations, oxidative stress, genotoxicity, and disruption of sex hormones in male African catfish and the potential to confront by Chlorella vulgaris