Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia
El-Nobi, G., Hassanin, M., A. Khalil, A., Y. Mohammed, A. (2021). Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia. EKB Journal Management System, 25(1), 571-582. doi: 10.21608/ejabf.2021.146710
Gamal El-Nobi; Mohammed Hassanin; Alshimaa A. Khalil; Alaa Y. Mohammed. "Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia". EKB Journal Management System, 25, 1, 2021, 571-582. doi: 10.21608/ejabf.2021.146710
El-Nobi, G., Hassanin, M., A. Khalil, A., Y. Mohammed, A. (2021). 'Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia', EKB Journal Management System, 25(1), pp. 571-582. doi: 10.21608/ejabf.2021.146710
El-Nobi, G., Hassanin, M., A. Khalil, A., Y. Mohammed, A. Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia. EKB Journal Management System, 2021; 25(1): 571-582. doi: 10.21608/ejabf.2021.146710

Comparative efficiency of the dietary addition of synbiotic "curazol-M" and norfloxacin on the growth performance, body composition, and histological alteration of the Nile tilapia

Egyptian Journal of Aquatic Biology and Fisheries
Article 33, Volume 25, Issue 1, January and February 2021, Page 571-582  XML PDF (1.12 MB)
Document Type: Original Article
DOI: 10.21608/ejabf.2021.146710
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Authors
Gamal El-Nobi; Mohammed Hassanin; Alshimaa A. Khalil; Alaa Y. Mohammed
Abstract
The current study was carried out to assess the effect of synbiotic (Curazole-M; CM) and/or antibiotic Norfloxacin (NFLX) as feed additives on growth performance and body composition of the Nile tilapia, Oreochromis niloticus. Healthy fish (n=120, average initial weight 15±0.2 g) were randomly divided into four groups in triplicates; the first group (G1) was fed on a control basal diet, while the second group (G2) was fed on a basal diet supplemented with 0.1 g.kg -1diets of NFLX, the third group (G3) was fed on a basal diet fortified with 1 ml.kg -1 diet of CM, and the fourth group (G4) was fed on a basal diet supplemented with a mixture of NFLX and CM for 8 weeks. Results showed a significant increase ( P < 0.05) in growth parameters including body gain (BG), body gain percent (BG %), average daily weight gain (ADWG), and specific growth rate (SGR), with a significant decrease in feed conversion rate (FCR), recorded in G3, G4, and G2 treatments, respectively compared with the G 1 (control). The dry matter contents were assessed as crude protein content increased (P < 0.05) in the body of fish in G4. The body fat content was increased (P < 0.05) in fish of G3, G2, G1, and G4 respectively. The results emphasize that; curazole-M supplemented diet could enhance the health of the Nile tilapia.
 
Keywords
Growth performance; Oreochromis niloticus; Norfloxacin (NFLX); Synbiotic (curazole-M)
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