Growth and development of the muscles of the brook char in different periods of ontogenesis
Abstract
In this article are shown results of research brook char musculature in different postnatal period stages. Special attention is given to early stages of fish growth, such as prelarval and larval stages. Authors are describes specificity of histostructure of muscular tissue of youth brook char, depending on behavior feature during different postnatal period stages. Article gives comparative characteristics of musculature structure in yearly postnatal ontogenesis and 1-year-old individuals. On the early ontogenesis stages density of fish musculature is quite low and new fibers are formed. Later, in 60 days age, muscular density reaches high values. This related to transition to external feeding. When the juveniles grow, the hypertrophy process begins to prevail over the hyperplasia process, in result diameter of the fibers increase. In one year old age all organism systems are formed, but somatic growth activity is still positive due to musculature. The findings can be used to regulate somatic growth of fish in aquaculture with controlled environment.
About the Authors
V. P. Panov
Russian State Agrarian University — Timiryazev Agricultural Academy (FSBEI HE «RSAU Timiryazev AA»)
Russian Federation
Russian Federation
Moscow
S. S. Falij
Russian State Agrarian University — Timiryazev Agricultural Academy (FSBEI HE «RSAU Timiryazev AA»)
Russian Federation
Russian Federation
Moscow
Y. I. Yesavkin
Russian State Agrarian University — Timiryazev Agricultural Academy (FSBEI HE «RSAU Timiryazev AA»)
Russian Federation
Russian Federation
Moscow
A. V. Zhigin
Russian Federal Research Institute of Fisheries and Oceanography (FSBSI «VNIRO»)
Russian Federation
Russian Federation
Moscow
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Review
For citations:
Panov V.P., Falij S.S., Yesavkin Y.I., Zhigin A.V. Growth and development of the muscles of the brook char in different periods of ontogenesis. Trudy VNIRO. 2018;171:106-115. (In Russ.)
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