The influences of ferulic acid on the growth performance, haemato-immunological responses, and immune-related genes of Nile tilapia (Oreochromis niloticus) exposed to heat stress

By Mahmoud A. O. Dawood, Abd El-Salam Metwally, M. El-Sharawy, A. Ghozlan, H. Abdel‐Latif, H. Doan, Mervat A. M. Ali. 2020

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Abstract The use of food additives is an important preventive approach that has proven to maintain the health status of fish, especially under stressful conditions. The dietary ferulic acid (FA) was included in the diets at 0, 20, 40, 80, and 160 mg per kg to investigate its beneficiary aspects on Nile tilapia. After 60 days, fish were exposed to heat stress (HS), then blood and liver samples were collected. Before HS, the growth performance was linearly and quadratically affected by the inclusion of FA and reported the highest rates by 80 mg/kg diet. The hemoglobin and red blood cells were also linearly and quadratically affected by dietary FA and reported the highest levels by 40 and 80 mg FA/kg. After HS, the blood glucose, cortisol, superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), and malondialdehyde (MDA) values were increased with comparison to the rates before HS, and dietary FA reduced theses values either before or after HS in a dose-dependent regime (linearly and quadratically P

Subfields: Aquatic Science, Ecology, Immunology

View Paper: https://www.semanticscholar.org/paper/5665d234272a38c4b73ba5dd5416c092fb82b8b5