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Catfish with distaste for preservatives
Eeuwes, L.B.M. (2004). Catfish with distaste for preservatives. Belg. J. Zool. 134(2/1): 105-108
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276, more
Peer reviewed article  

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Document type: Conference paper

Keywords
    Preservatives; Ictalurus nebulosus (Lesueur, 1819) [WoRMS]; Fresh water

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  • Eeuwes, L.B.M.

Abstract
    The effect of food quality on the electrodetection performance of two catfish, Ictalurus nebulosus (LeSueur, 1819), was assessed in a two-alternative forced-choice experiment while the fish were performing at threshold level. Three different types of food were administered, namely minced beef paste (N), minced beef paste with 0.7% Butylparaben (B), and fish food pellets (P). When fed and rewarded with minced beef paste the fish made a maximum number of correct choices. Minced beef paste with 0.7% Butylparaben reduced the response performance to approximately 50 %. When fish food pellets were used, the performance returned to maximum again. It is concluded that such conditioning experiments are suitable for quantifying the aversiveness of food.

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