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:: Volume 8, Issue 4 (فصلنامه زمستان 1401 2023) ::
میکروبیولوژی کاربردی در صنایع غذایی 2023, 8(4): 53-64 Back to browse issues page
Effect of different levels of Lactobacillus brevis on antioxidant capacity, hepatic enzymes activity, and hematological indices in rainbow trout
Azadeh Niazi , Mehdi Shamsaie Mehrgan * , Houman Rajabi Islami
Antioxidant defense, Hematological indices, Probiotic, Serum enzymes
Abstract:  
The use of dietary supplements in aquatic diets is one of the most important ways to reduce the stress of rearing operations. In this study, the effect of different levels of Lactobacillus brevis on stress-related indicators including antioxidant and liver enzymes, and hematological indices in rainbow trout were evaluated. In this study, 300 rainbow trout fry (9.5±0.3 g) with five experimental diets including control, LB1 (1× 106), LB2 (1×107), LB3 (1×108), and LB4 (1×109) were fed for 8 weeks. The results showed that the highest levels of superoxide dismutase and catalase were recorded in fish fed LB3 diet. Also, the lowest malondialdehyde value was recorded in the groups receiving LB2 and LB3 diets, which showed a significant difference compared to the control and LB1 groups (p< 0.05). Besides, diets supplemented with LB2, LB3, and LB4 significantly reduced the activity of aspartate aminotransferase and alanine aminotransferase enzymes compared to controls and LB1 (p< 0.05). Also, the level of alkaline phosphatase and lactate dehydrogenase enzymes decreased in all experimental treatments compared to the control group (p< 0.05). In this study, red blood cells count, the hemoglobin value and the hematocrit percentage in the groups receiving LB2, LB3, and LB4 diet significantly increased compared to the control group (p< 0.05) and the highest value ​​was recorded in the LB3 group. Based on the obtained results, the addition of L. brevis, especially in concentrations of 1×109 to the diet of rainbow trout has a beneficial effect on the antioxidant defense, liver enzymes, and hematological indices.
Article number: 5
Keywords: Antioxidant defense, Hematological indices, Probiotic, Serum enzymes
     
Type of Study: Research | Subject: Special


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Niazi A, Shamsaie Mehrgan M, Rajabi Islami H. Effect of different levels of Lactobacillus brevis on antioxidant capacity, hepatic enzymes activity, and hematological indices in rainbow trout. میکروبیولوژی کاربردی در صنایع غذایی 2023; 8 (4) : 5
URL: http://amfi.ir/article-1-41-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 8, Issue 4 (فصلنامه زمستان 1401 2023) Back to browse issues page
فصلنامه میکروبیولوژی کاربردی در صنایع غذایی Journal of Applied Microbiology in Food Industry
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