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Seasonal patterns of feeding of juvenile major carp, Labeo rohita (Ham.) in a Bangladesh pond
Author(s) -
Dewan S.,
Miah J. U.,
Sarker A. L.,
Saha S. N.
Publication year - 1979
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1979.tb03549.x
Subject(s) - labeo , biology , detritus , carp , juvenile , macrophyte , phytoplankton , invertebrate , fishery , ecology , zoology , fish <actinopterygii> , nutrient
The results of the studies on the seasonal patterns of feeding of 203 Labeo rohita (Ham.) taken by cast and seine net for one year from a Bangladesh pond are presented. Studies were based on the frequency of occurrence and the points method. A change in the volume of food with change of seasons was noted. The amounts of food eaten were greater for the warmer than for other months and very low during winter indicating an upturn in late spring with a higher level continuing during the summer. Organic detritus formed the bulk of the gut contents throughout the study period. On a seasonal basis, phytoplankton and aquatic macrophytes were the group of organisms frequently ingested but the former was more important. Animal food was scarce but appreciable quantities of sand and mud were found.