Mycoflora, aflatoxigenic strains of Aspergillus section Flavi and aflatoxins in fish feed

Autor:	Mohammad Rahnama, E. Pirali-Kheirabadi, S. Siavash Saei-Dehkordi, Aziz A. Fallah, Khodadad Pirali-Kheirabadi
Rok vydání:	2014
Předmět:	Fusarium Aflatoxin Aspergillus Veterinary medicine biology business.industry Fish farming food and beverages Aquatic animal Aspergillus flavus biology.organism_classification Commercial fish feed Biotechnology Penicillium business Agronomy and Crop Science Food Science
Zdroj:	Quality Assurance and Safety of Crops & Foods. 6:419-424
ISSN:	1757-837X 1757-8361
DOI:	10.3920/qas2012.0186
Popis:	Commercial feedstuffs are an important component in a modern aquaculture industry. Mycotoxin contamination of fish feeds represents a hazard to aquatic animals and human health. This study aimed to determine the mycoflora, aflatoxigenic strains of Aspergillus section Flavi, and occurrence of aflatoxins in fish feed samples. A total of 86 fish feed samples consisting of pellet, extruder, and scramble samples were collected from feed processing industries and fish farms in Iran. Identification of fungi, in vitro production of aflatoxins by Aspergillus section Flavi strains, and analysis of aflatoxins were done according to standard and established methods. The mean total fungal counts ranged between 2.16 and 4.74 log cfu/g in samples; and 2 samples (2.33%) exceeded the hygienic quality limit, i.e. 4 log cfu/g. Aspergillus was the predominant detected genera followed by Penicillium and Fusarium. Among the Aspergillus species, Aspergillus flavus was the most prevalent species, followed by Aspergillus parasiti...
Databáze:	OpenAIRE
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