Phytogenic feed additives in juvenile channel catfish

The current study investigates the effect of commercial phytogenic feed additives (Actifor Pro, Actifor Power, Fresta Protect, Syrena Boost, and Enviro QS) on disease susceptibility, immunity, gut microbiota, and growth performance of juvenile channel catfish (Ictalurus punctatus) within an indoor recirculating system. Over six weeks, juvenile channel catfish (14.8 g) were stocked in 30 tanks (25 fish per tank) and fed either a control or five phytogenic-supplemented diets.