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Evaluation of dietary supplements of Pediococcus acidilactici bacteria and Agaricus bisporus mushroom powder on skin mucus immune indices of common carp (Cyprinus carpio) exposed to Silver nano-particles | ||
| مجله علمی شیلات ایران | ||
| Article 10, Volume 27, Issue 3, September and October 2018, Pages 97-109 PDF (1.15 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/isfj.2018.117049 | ||
| Authors | ||
| S.R. Khaleghi; S.A. Hedayati; H. Kashiri; H. Paknejad; S.H. Hosseinifar | ||
| Abstract | ||
| The purpose of this study was to investigate the effects of dietary supplements of Pediococcus acidilactici bacteria and Agaricus bisporus mushroom powder separate and combined (combined supplement) on the skin mucosal immune indices of common carp (Cyprinus carpio) in exposure to silver nano-particles. For this purpose, 180 fish with mean weight 29.6±0.4 g were fed in four treatments: bacteria (1 g/kg of diet), mushroom powder (10 g/kg of diet), combined bacteria and mushroom powder (1 and 10 g/kg of bacteria and mushroom) supplements and control (nutritionally non-supplemented) treatments and each treatment with 3 replicate (15 fish per replicate) for 60 days. After the end of the feeding period, the fish were exposed to sub-acute concentration of nano-silver (1 mg/l) for 14 days. Sampling of skin mucosa was performed to evaluate the immune-related parameters on days 1, 7 and 14 (5 sampling per replicate). Results showed that activity of lysozyme, alkaline phosphatase enzymes, soluble protein and total immunoglobulin in diets containing dietary supplements had a significant difference in nano exposed groups with control treatments (p<0.05) and had the highest amount on day 14. Also, although the control treatment had a 14-days incremental trend, it had the lowest levels than dietary supplement treatments. Combined food supplements, bacteria and mushroom powder showed the highest effects on mucosal immune parameters in exposure to nano-silver respectively. | ||
| Keywords | ||
| Immune system; Dietary supplements; lysozyme; Alkaline phosphatase; Soluble protein; Immunoglobulin | ||
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