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- Title
Dietary Effect of a Plant-Based Mixture (Phyto AquaMeric) on Growth Performance, Biochemical Analysis, Intestinal Histology, Gene Expression and Environmental Parameters of Nile Tilapia (Oreochromis niloticus).
- Authors
El-Sayed, Abdel-Fattah M.; Fagnon, Mahougnon Simeon; Hamdan, Amira M.; Chabrillat, Thibaut; Araujo, Coralie; Bouriquet, Julie; Kerros, Sylvain; Zeid, Salma M. S.
- Abstract
This study aimed to assess the effect of dietary supplementation of a mixture of botanical compounds and essential oil (Phyto AquaMeric, PAM) on the growth, immune and antioxidant parameters and environmental benefits in Nile tilapia. Two diets including a control and a PAM-supplemented diet at 0.5 g kg−1 were prepared for the trial. The diets were isonitrogenous (30% crude protein) and isoenergetic (17 MJ kg−1) extruded diets. Nile tilapia weighing initially 74.22 ± 1.96 g fish−1 were stocked in 2 m3 hapas at a density of 20 fish per m3 (40 fish per hapa). Each group was tested in triplicates over 80 days. The antioxidant potential of PAM was compared to vitamin C through KRL test, showing a higher value from 35 to 100 mg. The in vivo trial did not exhibit any significant growth performance improvement. However, the PAM group had a significantly improved feed conversion ratio (FCR) and protein efficiency ratio (PER). Moreover, the antioxidant enzymes superoxide dismutase (SOD) and glutathione peroxidase (GPx), Malondialdehyde (MDA), immune parameters (ACH50, lysozyme, phagocytic and phenoloxidase activities), digestive enzymes and hepatic enzymes were significantly improved in the PAM-fed group. An evaluation of eutrophication potential of PAM supplementation revealed a low input in the system. In conclusion, this mixture of botanicals and essential oil exhibited in vitro and in vivo antioxidant potential, improved health and digestive parameters and contributed to a reduced eutrophication risk in the tilapia production system.
- Subjects
NILE tilapia; ESSENTIAL oils; SUPEROXIDE dismutase; DIETARY supplements; VITAMIN C
- Publication
Fishes (MDPI AG), 2024, Vol 9, Issue 9, p358
- ISSN
2410-3888
- Publication type
Academic Journal
- DOI
10.3390/fishes9090358