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Study of the haemoglobin content of a single erythrocyte ( M index) in various cultured fish species
Author(s) -
Molnár Gy.,
Tamássy E.
Publication year - 1970
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.1095-8649.1970.tb03270.x
Subject(s) - hypophthalmichthys , silver carp , biology , esox , grass carp , pike , bighead carp , fishery , perch , cyprinus , predatory fish , common carp , zoology , fish <actinopterygii>
Investigations of the erythrocyte count, haemoglobin content and M index of 7 fish species were performed under equivalent environmental conditions in the same period of the year. The species were: bighead Hypophthalmichthys nobilis (Richardson), carp Cyprinus carpio L., silver carp Hypophthalmichthys molitrix (Val.), grass carp Ctenopharyngodon idella (Val.), sheat‐fish Silurus glanis L. , pike Esox Indus L., pike‐perch Lucioperca lucioperca (L.). Bighead and carp are carnivorous and omnivorous, silver carp and grass carp are herbivorous and sheat‐fish, pike and pike‐perch are predatory. Significant differences were demonstrable between M values of fish living on different type of food, where the M index is:It is concluded that M index values are useful as one parameter differentiating between fish with distinctly different food habits.