International Journal of Fisheries and Aquatic Studies
2020, Vol. 8, Issue 3, Part B
Using of some phytobiotics and probiotics as promotors to cultured Nile Tilapia
Author(s): Gehan IE Ali, El-Keredy MS Abeer, Abeer M El-Shenway, Nehal AA Naena and El Gohary MS
Abstract: The present study was carried out to investigate the effects of dietary thyme, cinnamon and/or
Bacillus subtilis probiotic supplementation on growth performance, biochemical parameters, antioxidant activity and protection against
Aeromonas hydrophila infection of
Oreochromis niloticus. Total number of two
-hundred and ten
O. niloticus fish were used in our work (60 fish for isolation of
Aeromonas hydrophila and 150 fish for experimental growth trial were allotted into six equal groups, fed on basal diet supplemented by 0.0 or with 10 g thyme or cinnamon herb/kg diet without or with 0.1g
Bacillus subtilis probiotic /kg diet respectively for 8 weeks and, subsequently, challenged with
A. hydrophila previously isolated from local Nile tilapia farms. Obtained data revealed that thyme or cinnamon supplementation significantly (
P˂0.05) improved total gain, daily gain, gain%, SGR%, total feed intake and FCR throughout the whole experimental period compared with control.
Bacillus subtilis supplementation alone or with thyme herb supplementation in Nile tilapia fish diet improved total gain, daily gain, gain%, SGR%, total feed intake and FCR, however
Bacillus subtilis supplementation with cinnamon non-significantly reduced the mentioned parameters compared with fish group fed on the same diet without
Bacillus subtilis supplementation. Moreover, it was noticed that thyme or cinnamon supplementation increased serum total protein, globulin, SOD and CAT levels and reduced serum ALT, AST, uric acid and creatinine concentrations compared with control, while
Bacillus subtilis supplementation alone or with thyme herb supplementation in Nile tilapia fish diet increased serum total protein, globulin, SOD and CAT levels and reduced serum ALT, AST, uric acid and creatinine concentrations and opposite result obtained with cinnamon and probiotic addition compared with fish group fed on the same diet without
Bacillus subtilis supplementation. Inclusion of thyme or cinnamon herbs without or with
Bacillus subtilis supplementation in Nile tilapia fish diet reduced mortality% and
Aeromonas hydrophila re-isolation rate compared with control and the best value obtained by fish group fed on diet supplemented by thyme with probiotic or thyme alone. It could be concluded that using thyme with probiotic or alone good due to their high effective growth promoting, antibacterial and positive impact on liver and kidney functions and antioxidant enzymes activities, also using of cinnamon had good antioxidant and antibacterial activity. This study highly recommends the use of thyme and/or probiotic as therapeutic and protective agents in dealing with
Aeromonas hydrophila infection in fish culture.
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How to cite this article:
Gehan IE Ali, El-Keredy MS Abeer, Abeer M El-Shenway, Nehal AA Naena, El Gohary MS. Using of some phytobiotics and probiotics as promotors to cultured Nile Tilapia. Int J Fish Aquat Stud 2020;8(3):148-159.