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Open AccessArticle

Occurrence of Fungi and Fungal Toxins in Fish Feed during Storage

1
Institute of Natural Resource Sciences (IUNR), Zurich University of Applied Sciences, 8820 Wädenswil, Switzerland
2
Department of Fisheries & Aquaculture, Faculty of Fisheries and Marine Sciences & Technology, University of Ruhuna, 81000 Matara, Sri Lanka
*
Author to whom correspondence should be addressed.
Toxins 2020, 12(3), 171; https://doi.org/10.3390/toxins12030171
Received: 16 January 2020 / Revised: 28 February 2020 / Accepted: 6 March 2020 / Published: 10 March 2020
(This article belongs to the Special Issue Mycotoxins in Feed: Harm to Animals)
Periods of unfavorable storing conditions can lead to changes in the quality of fish feeds, as well as the development of relevant mycotoxins. In the present study, a commercial fish feed was stored under defined conditions for four weeks. The main findings indicate that even storing fish feeds under unsuitable conditions for a short duration leads to a deterioration in quality. Mycotoxin and fungal contamination were subsequently analyzed. These investigations confirmed that different storage conditions can influence the presence of fungi and mycotoxins on fish feed. Notably, ochratoxin A (OTA) was found in samples after warm (25 °C) and humid (>60% relative humidity) treatment. This confirms the importance of this compound as a typical contaminant of fish feed and reveals how fast this mycotoxin can be formed in fish feed during storage. View Full-Text
Keywords: aquaculture; feed contamination; toxin formation aquaculture; feed contamination; toxin formation
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MDPI and ACS Style

Pietsch, C.; Müller, G.; Mourabit, S.; Carnal, S.; Bandara, K. Occurrence of Fungi and Fungal Toxins in Fish Feed during Storage. Toxins 2020, 12, 171.

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