The current study examined how dietary supplementation with jackfruit peel waste (JPW) protects Nile tilapia ( Oreochromis niloticus ) fingerlings from waterborne NH 3 toxicity by regulating genes linked to inflammation, apoptosis, immunological activities, and tight junctions. After 56 days of feeding fish (22–23 g) on grade levels of JPW diets (0.0, 1.0, 5.0, and 10.0 g/kg diets), the fish were exposed to NH 3 (0.5 mg/L) for...