The influence of mycotoxins in food on fish health status

In our country, there is present extensive, semi-intensive and intensive growing of cyprinid fish species. The quality of food is an essential prerequisite for obtaining optimal production results in fish production. Fish food is being produced as a complete pellet meal, and raw materials used are of plant, animal, mineral and vitamin origin. Out of plant feed, the most commonly used ones are corn, wheat, barley, oats, soy and others. By applying additional carbohydrate food, energetic needs of an organism are being met. In this paper, we presented the results of hygienic safety of carbohydrate feed (corn, wheat, barley) investigated in the laboratory of Veterinary Research Institute of Serbia in Belgrade within regular control, or with the aim of establishing the causes of disturbance of health status and decreased production results in the pond. During 2004 we performed microbiology and mycotoxicology investigations of the total of 43 samples, namely: 31 corn samples, 8 barley samples and 4 wheat samples. The obtained results point at a high level of mould contamination (Aspergillus, Penicillium, Fusarium, and Rhizopus) and the presence of their secondary mycotoxin metabolites (aflatoxin, ochratoxin, trichothecenes and zearalenone) in feed.

Abstract licence: CC BY-NC-ND

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