Investigation on the chemical composition of Carp /Cyprinus carpio L./, bighead carp and pike during different stages of individual growth
2008
Hadjinikolova, L.
The purpose of this study is to trace the chemical composition of muscle tissue of the sexually aged female fish and of the eggs obtained from them, as well as of the rearing of fingerlings from carp (Cyprinus carpio L.), bighead carp (Aristichthys nobilis Rich.) and pike (Esox lusius L.). Differences in the biochemical composition of fish tissue during the different stages of individual growth (female fish, eggs, fingerlings) have been established. Species specificity for the indices investigated between the carp, the bighead carp and the pike has been proved. A tendency for increasing the relative share of fats and for decreasing the relative share of proteins from the eggs has been reported towards fingerlings and muscle tissues. The dry matter content decreases from the eggs (31.2–34.4%) towards the muscle tissue (21.8–25.8%) and the fingerlings (14.5–15.1%). A significant to a great dependence between the muscle tissue and the eggs has been established as regards the proteins and fats contents in them.
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