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Journal article
Efficacy of dietary live or heat‐killed Bacillus subtilis in goldfish ( Carassius auratus ) infected with Ichthyophthirius multifiliis
Veterinary medicine and science, Vol.9(4), pp.1636-1645
2023
Abstract
Background
The beneficial effects of Bacillus subtilis on growth, immune response, and disease resistance against various diseases in different fish species have been proved. However, there are no data concerning this probiotic effect on skin mucosal immunity in fish infected with Ichthyophthirius multifiliis (Ich). Ich has a high mortality rate in both edible and ornamental fish and consequently is concerned with heavy economic losses.
Objectives
Thus, we assessed the efficacy of live and heat-killed B. subtilis on skin immunity and histopathology in goldfish (Carassius auratus) infected with Ich.
Methods
Goldfish (144 fish, 2.38 g average weight) were stocked in nine glass tanks each in three replicates. Fish were fed 109 CFU g−1 live or heat-killed B. subtilis for 80 days.
Results
Probiotic administration in both viable and non-viable forms could enhance the growth performance in goldfish. Probiotic therapy also reduced the density of the parasite and histopathological level on skin and gill tissues of the treated fish. Real-time polymerase chain reaction analysis showed a higher expression of lysozyme and tumour necrosis factor-α in the treated groups compared to the control group.
Conclusions
These data demonstrated the beneficial effect of B. subtilis as probiotic and paraprobiotic on growth performance and disease resistance to Ich infestation in goldfish.
Details
- Title
- Efficacy of dietary live or heat‐killed Bacillus subtilis in goldfish ( Carassius auratus ) infected with Ichthyophthirius multifiliis
- Authors/Creators
- Parisa Shahbazi - University of TabrizNajmeh Sheikhzadeh - University of TabrizMohamad Ali Nazarpour Siahtan - University of TabrizAmin Keshavarz Ghadimi - University of TabrizMehdi Soltani - Department of Aquatic Animal Health Faculty of Veterinary Medicine University of Tehran Tehran Iran, Centre for Sustainable Aquatic Ecosystems Harry Butler Institute Murdoch University Murdoch AustraliaKatayoon Nofouzi - University of TabrizShalaleh Mousavi - University of TabrizMonireh Khordadmehr - University of TabrizAmin Marandi - University of TehranMasoumeh Firouzamandi - University of Tabriz
- Publication Details
- Veterinary medicine and science, Vol.9(4), pp.1636-1645
- Publisher
- John Wiley & Sons Ltd.
- Identifiers
- 991005591968007891
- Copyright
- ©2023 The Authors.
- Murdoch Affiliation
- Centre for Sustainable Aquatic Ecosystems
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.116 Aquaculture Nutrition
- Web Of Science research areas
- Veterinary Sciences
- ESI research areas
- Plant & Animal Science