Fish Fat Meter tested for reliability of non-lethal assessment for body composition and energetic status of Eeel and Carp

Fish Fat Meter tested for reliability of non-lethal assessment for body composition and energetic status of Eeel and Carp

TitleReliability of non-lethal assessment methods of body composition and energetic status exemplified by applications to eel (Anguilla anguilla) and carp (Cyprinus carpio)
Written byThomas Klefotha, Christian Skov, Kim Aarestrupb, Robert Arlinghaus
FromLeibniz-Institute of Freshwater Ecology, and Inland Fisheries, Germany
Leibniz-Institute of Freshwater Ecology, Denmark
Humboldt-Universit├Ąt zu Berlin, Germany
PublishedMarch 18, 2013
Fish SpeciesEel (Anguilla anguilla), Carp (Cyprinus carpio)
Key WordsBioelectric impedance analyses, Fat meter, Relative condition, Dry mass, Energy density

What the research is about

The objectives of our study were to:
(i) compare the performance of Kn, BIA (Bioelectric Impedance Analysis), and Fish Fat Meter to predict dry mass content as an indicator of energetic status using carp (Cyprinus carpio) and European eel (Anguilla anguilla) as model species.
(ii) to test for the effects of temperature on the functionality of BIA and Fish Fat Meter.

Research conclusion

FM approach is the most suitable method to non-lethally estimate energetic status in both, carp and eel, whereas BIA is of limited use for energetic measurements in the same species, in contrast to other reports in the literature.

Assurant Innovations take

Using the Fish Fat Meter was a much better way to predict the dry mass content and the energy state of fish when compared with bioelectric impedance analysis method.

Fish Fat Meter

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