Journal Article
Assessment of Growth-Related Parameters, Immune-Biochemical Profile, and Expression of Selected Genes of Red Tilapia Fed with Roselle Calyces (Hibiscus sabdariffa) Extract
Amany M. Diab; Eslam E. Eldeghaidy; Mohamed H. Abo-Raya; Mustafa Shukry; Ahmed Abdeen; Samah F. Ibrahim; Liana Fericean; Mohamed Abdo; Malik M. Khalafalla
Fishes · Vol. 8, Issue 4 · pp. 172 · 2023
Abstract
The purpose of this research was to determine whether or not supplementing a diet with ethanolic roselle calyces extract (ER) had any effect on the rate of growth, intestinal morphometry, total carotene in skin and muscle, blood profile, immunity status, and the expression response of red tilapia. The ER was added to four experimental diets at 0% (0 g kg−1), 0.5% (5 g kg−1), 1% (10 g kg−1), and 2% (20 g kg−1), which were designated as ER0 (control group), ER0.5, ER1, and ER2, respectively. The results show that ER1 induced higher weights (final weight, weight gain, specific growth rate, and weight gain rate) and all ER groups had considerably (p