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- Title
GUSTATORY RESPONSE OF COMMON CARP CYPRINUS CARPIO TO VARIABLE CONCENTRATIONS OF TWO STIMULATORY AMINO ACIDS.
- Authors
David Wood, Jonathan; Arce Azócar, Paola Soledad
- Abstract
Common carp possesses a highly evolved gustatory system that is stimulated by a narrow range of free amino acids including L-cysteine and L-proline. A synergetic effect on the gustatory response of a combination of these two substances has not previously been demonstrated. In this study, groups of common carp were randomly presented with different concentrations of L-cysteine (0-0.1 M) and L-proline (0-0.05 M) in agar pellets in one minute trials. First retention duration, total retention duration during each trial and the number of ingestions (pellet acceptances) were recorded for each of a total of 690 trials. Payability, pellet consumption rate and average pellet acceptances were calculated for each pellet type. It was shown that L-cysteine was more highly stimulatory than L-proline but no synergism between the two regarding the gustatory response was observed. The results are relevant for the formulation of aquafeeds and angling baits for carp.
- Subjects
CARP; AMINO acids; CYSTEINE; PROLINE; INGESTION
- Publication
Croatian Journal of Fisheries, 2013, Vol 71, Issue 1, p1
- ISSN
1330-061X
- Publication type
Article
- DOI
10.14798/71.1.620