Rosemary leaf powder–supplemented diet enhances performance, antioxidant properties, immune status, and resistance against bacterial diseases in Nile Tilapia (Oreochromis niloticus)

The objective of the existing trial was to examine the effect of enrichment of tilapia (Oreochromis niloticus) diets with rosemary leaf powder (RLP) on growth, antioxidant defense parameters, immune function indicators, and disease resistance. Nile tilapia fingerlings (10.42 ± 0.04 g) were fed four diets supplemented with RLP at 0, 2.5, 5, and 10 g kg−1 diet for 60 days. At the end of the feeding trial, fish were challenged with Aeromonas...