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- Title
Effect of Probiotic Lactobacillus fermentum on Growth Performance, Bioaccumulation and Antioxidant Defenses of Zebrafish (Danio rerio) Under Cadmium Toxicity.
- Authors
Adeli, Maryam Mahdavi; Kazempoor, Reza; Shirazi, Najmeh Hadizadeh
- Abstract
This study aimed to evaluate the effect of Lactobacillus fermentum ATCC 14931 as a probiotic to improve immune function and reduce the adverse effects of cadmium (Cd) in zebrafish. This study was performed for 60 days of feeding and 72 hours exposure to 7 g/L Cd. The study groups included C: Control, B: Feeding with a basal diet and exposure to cd, T1 and T3: feeding with probiotic diet in concentrations of 1.5×104 and 1.5×105 CFU ml-1 and exposure to cd, respectively. The biometrical index, mortality rate, Cd accumulation in tissue, superoxide dismutase (SOD) activity, and concentration of malondialdehyde (MDA) were examined. According to the results, feeding with probiotics increased the length and weight growth of fish (P<0.05). The mortality rate in probiotic-fed groups was significantly reduced (P<0.05), while no significant difference was recorded in the cd accumulation rate of the gastrointestinal tract (P>0.05). Also, the SOD activity and MDA level decreased in T1 and T2 (P<0.05). Generally, the results showed that L. fermentum can be used as a suitable dietary supplement to prevent the adverse effects of acute Cd exposure in fish.
- Subjects
LACTOBACILLUS fermentum; ZEBRA danio; CADMIUM poisoning; FISH growth; BIOACCUMULATION in fishes; FISH defenses
- Publication
Aquaculture Studies (AquaSt), 2023, Vol 23, Issue 4, p1
- ISSN
2618-6381
- Publication type
Article
- DOI
10.4194/AQUAST991