The palatability of flavoured novel floating pellets made with brewer's spent grain to captive carp |
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| Authors: | DKJ Morgan CJR Verbeek KA Rosentrater BJ Hicks |
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| Affiliation: | 1. Environmental Research Institute, Department of Biological Sciences, Faculty of Science and Engineering , University of Waikato , Hamilton , New Zealand magpie.morgan@gmail.com;3. School of Engineering, Faculty of Science and Engineering , University of Waikato , Hamilton , New Zealand;4. Department of Agricultural and Biosystems Engineering , Iowa State University , Ames , Iowa , USA;5. Environmental Research Institute, Department of Biological Sciences, Faculty of Science and Engineering , University of Waikato , Hamilton , New Zealand |
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| Abstract: | Abstract The palatability to common carp, Cyprinus carpio L. of three newly developed differently flavoured floating pellets made from a high proportion (40%) of brewer's spent grain (BSG) was tested using a multiple-offer feeding experiment. The addition of ‘bold’ flavours, such as vanilla or strawberry essence, may help mask the unpleasant taste of some piscicides; however, their inclusion must not compromise uptake by carp. There were no significant differences between the consumption rates of the three varieties, and all flavours were readily consumed. Therefore, it is suggested that highly flavoured pellets made with BSG have a strong potential to mask the flavour of an unpalatable toxin, and further research is now needed to test this hypothesis. |
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| Keywords: | brewer's spent grain flavour masking floating baits koi carp pest fish piscicide |
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