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Evaluation of the effect of Bacillus subtilis probiotic on carcass composition, serum biochemical parameters and liver enzymes of Asian sea bass (Lates calcarifer, Bloch 1790)
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Elham Moazami1   , Alireza Salarzadeh * , Delaram Nokhbehazre1 , Maziar Yahyavi1 , Flora Mohammadizadeh1 |
1- Department of Fishery, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
Bandar Abbas Branch, Islamic Azad University, Department of Fishery, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran , reza1375bandar@yahoo.com |
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Abstract: (1498 Views) |
In this study, the effects of different levels of Bacillus subtilis probiotic in the diet of Asian sea bass (Late calcarifer) on carcass composition, serum biochemical parameters and liver enzymes over a period of 8 weeks were investigated. This study in one control treatment (zero) and three experimental treatments were 106 × 1 (treatment 1), 106 × 1.5 (treatment 2) and 106 × 2 (treatment 3) colony unit (CFU) per gram of diet, respectively. , And was performed with 3 replications for each treatment. Juveniles with an average weight of 12.50 ± 0.14 g were raised in 12 fiberglass tanks with a density of 25 pieces per tank. The results showed that there was a significant difference between treatments in terms of carcass composition except ash between other carcass parameters (p <0.05), and between treatments treatment 2 showed a significant difference in terms of crude protein and dry matter with other treatments. (P <0.05). In terms of serum biochemical parameters, there was no significant difference between treatments in terms of glucose, cholesterol and triglyceride (p> 0.05), but in terms of hematocrit, hemoglobin and red and white blood cells, there was a significant difference between treatments. (P <0.05) and between treatments, treatment 2 showed a better condition than other treatments. Regarding liver enzymes, although there was a significant difference between treatments and control (p <0.05), but there was no significant difference between treatments containing different levels of probiotics (p> 0.05). The results of the present study showed the positive effect of the probiotic Bacillus subtilis in most of the studied indices that among the treatments, treatment 2 had the best and most favorable conditions in Asian sea bass.
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| Keywords: Probiotics, Bacillus subtilis, Carcass composition, Blood serum biochemistry, Liver enzymes, Asian sea bass |
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Full-Text [PDF 549 kb]
(239 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2022/04/7 | Accepted: 2022/06/1 | Published: 2023/10/2
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