Original Articles

THE PLASMA PROTEINS OF SOME FRESHWATER FISH IN THEIR NATURAL ENVIRONMENT

DOI: 10.1080/03779688.1980.9634553
Author(s): J., H.J. van VurenDivision of Nature Conservation, South Africa

Abstract

The plasma proteins of Cyprinus carpio (carp), Barbus holubi (yellowfish), Labeo umbratus (mudfish) and Labeo capensis (mudfish) were electrophoretically separated on polyacrylamide gels from blood samples obtained from specimens sampled during summer and winter in three different localities. Within a species, differences existed in the summer and winter plasma protein electrophoretograms from the different localities. During winter protein fraction concentration differences were found with a displacement of prominence. The results are compared between different experimental conditions and to previous observations. A genetic trait is present, but there were also alterations as a result of environmental factors.

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