engleski

Investigation of trunk muscles of crowner (Trigla lyra, Linnaeus1758)

Investigations were conducted on ten crowners caught from the Novigrad Sea (Croatia). Length of fish was 18-21cm, and weighed 55.6 g to 87.97 g. For the histochemical study muscle samples were taken at the level of the anal opening dorsally and ventrally to the horizontaly septum. Between the muscles were not observed important differences of muscle fibers. In both muscle fibers are white fast twitch glycolitic fibers with low activity of succinic acid dehydroge- nase (SDH) and lactic acid dehydrogenase (LDH), and increased activity of standard adenosintriphosphatase (S ATP) and alkaline adenosintriphosphatase (AL ATP) than acid adenosintriphosphatase (AC ATP). The fibers contain a higher amount of glycogen and less fat, and between the muscle fibers are thin bundles of connective tissue.

crowner; muscles; histology

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