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Growth performances and hemato-immunological responses of common carp (Cyprinus carpio Linnaeus, 1758) to fermented Aspergillus oryzae
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S.A. Hedayati *   , T. Bagheri , S.H. Hoseinifar , H. Van Doan |
| Gorgan University of Agricultural Sciences and Natural Resources , hedayati@gau.ac.ir |
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Abstract: (2771 Views) |
| The present study investigates the effects of varying levels of dietary fermented Aspergillus oryzae (0 g Kg-1 as control group, 10, 20 and 30 g Kg-1) on performance and haemato-immunological indices of common carp (Cyprinus carpio) fingerlings. Common carp fingerlings (n=240, w=4.56±0.17 g) were supplied, randomly stocked in 12 aquaria and fed with experimental diets for 7 weeks. The results revealed no significant differences between performance parameters of fermented A. oryzae fed test and control diets (p˃0.05). Also, evaluation of haematological parameters (RBC, Hct, Hb) and white blood cell (WBC) counts showed no notable changes between experimental groups (p˃0.05). However, respiratory burst activity was meaningfully higher in fish fed fermented A. oryzae compared to control group (p<0.05). The present results showed that possible effects of administration of fermented A. oryzae on immune responses in carp fingerlings. |
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| Keywords: Diet, Fish immunology, Hemato-immunological indices, Prebiotic |
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Full-Text [PDF 392 kb]
(1106 Downloads)
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Type of Study: Orginal research papers |
Subject:
aquaculture
Received: 2017/06/12 | Accepted: 2017/11/25 | Published: 2020/06/14
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