Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus)

Samir S. Khalil; Ramy M. Shourbela; Emad M. Zidan; Shahenaz M. Hassan; Al shimaa A. Sleim; Waleed N. EL-Hawarry

doi:10.5455/ajvs.195068

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Original Article

AJVS. 2024; 81(0): 142-156

doi: 10.5455/ajvs.195068

Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus)

Samir S. Khalil, Ramy M. Shourbela, Emad M. Zidan, Shahenaz M. Hassan, Al shimaa A. Sleim, Waleed N. EL-Hawarry.

Abstract
The present study was carried out to investigate the interactive effect of stocking density and diets supplemented with essential oils and or probiotic on the growth performance of juveniles Nile tilapia (Oreochromis niloticus), water quality parameters, intestinal morphology, and protection against Aeromonas hydrophila infection of Oreochromis niloticus. Total number of 640 O. niloticus fish (14.2 ± 0.95 g) were used in our work were allotted into eight groups with three replicates with two stocking densities (36 fish m-3 and 72 fish m-3) and four diets (control, Probiotic (Sanolife PRO-F®), Essential oils (EOs) blend (Super Immune®) and mix of Probiotic (Sanolife PRO-F®) and EOs blend (Super Immune®) respectively for 14 weeks and subsequently, challenged with A. hydrophila. The fish raised at the low stocking density exhibited increased weight gain, feed intake and specific growth rate compared with those raised at the high stocking density. Probiotic and/or EOs blend dietary supplementation improved Nile tilapia weight gain, daily gain, specific growth rate, total feed intake and feed conversion ratio. The water quality metrics' readings throughout the experiment all stayed within acceptable ranges for tilapia production despite the density increase. The fish raised at the low stocking density and received diet supplemented with mix of probiotic and EOs showed marked increased length of intestinal villi compared with the other groups. The EOs blend promoted better relative percent of survival with percentage of 100 % after challenge by A. hydrophila. It could be concluded that using EOs blend (Super Immune) and/or Probiotic (Sanolife PRO-F) as a dietary supplement for tilapia fingerlings would be a good choice due to their effective growth promoting, antibacterial effect and their positive impacts on fish intestinal morphology.

Key words: Nile tilapia, growth performance, Sanolife PRO-F, EOs blend (Super Immune) and Aeromonas hydrophila.

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Pubmed Style

Khalil SS, Shourbela RM, Zidan EM, Hassan SM, Sleim AsA, EL-Hawarry WN. Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). AJVS. 2024; 81(0): 142-156. doi:10.5455/ajvs.195068

Web Style

Khalil SS, Shourbela RM, Zidan EM, Hassan SM, Sleim AsA, EL-Hawarry WN. Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). https://www.alexjvs.com/?mno=195068 [Access: May 16, 2024]. doi:10.5455/ajvs.195068

AMA (American Medical Association) Style

Khalil SS, Shourbela RM, Zidan EM, Hassan SM, Sleim AsA, EL-Hawarry WN. Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). AJVS. 2024; 81(0): 142-156. doi:10.5455/ajvs.195068

Vancouver/ICMJE Style

Khalil SS, Shourbela RM, Zidan EM, Hassan SM, Sleim AsA, EL-Hawarry WN. Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). AJVS. (2024), [cited May 16, 2024]; 81(0): 142-156. doi:10.5455/ajvs.195068

Harvard Style

Khalil, S. S., Shourbela, . R. M., Zidan, . E. M., Hassan, . S. M., Sleim, . A. s. A. & EL-Hawarry, . W. N. (2024) Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). AJVS, 81 (0), 142-156. doi:10.5455/ajvs.195068

Turabian Style

Khalil, Samir S., Ramy M. Shourbela, Emad M. Zidan, Shahenaz M. Hassan, Al shimaa A. Sleim, and Waleed N. EL-Hawarry. 2024. Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus). Alexandria Journal of Veterinary Sciences, 81 (0), 142-156. doi:10.5455/ajvs.195068

Chicago Style

Khalil, Samir S., Ramy M. Shourbela, Emad M. Zidan, Shahenaz M. Hassan, Al shimaa A. Sleim, and Waleed N. EL-Hawarry. "Effect of Stocking Density and Diets Supplemented with Essential oils and or Probiotic on the Performance of Juveniles Nile tilapia (Oreochromis niloticus)." Alexandria Journal of Veterinary Sciences 81 (2024), 142-156. doi:10.5455/ajvs.195068

MLA (The Modern Language Association) Style

APA (American Psychological Association) Style

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About Alexandria Journal of Veterinary Sciences The Alexandria Journal of Veterinary Sciences (AJVS) Official Journal of Faculty of Veterinary Medicine, Alexandria University ISSN: 1110 ... Read more. For best results, please use Internet Explorer or Google Chrome.	Contact Information Faculty of Veterinary Medicine, Alexandria University Edfina, Behaira, Egypt. PO.Box: 22758 Telefax: +20 45 2963526 email: ajvs@alexu.edu.eg