Morphological, Histochemical and Morphometric Study of the Myotomal Muscle Tissue of the Pacu (Piaractus mesopotamicus Holmberg 1887: Serrasalminae, Characidae, Teleostei)

Summary Histochemical, ultrastructural and morphometric methods were used to study growth patterns of red, pink and white muscle fibres and their relation to body weight and total length in the fast‐growing freshwater fish Piaractus mesopotamicus Holmberg. The correlations amongst body weight, body...

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Bibliographic Details
Published in:Anatomia, histologia, embryologia histologia, embryologia, 2000-10, Vol.29 (5), p.283-289
Main Authors: Dal Pai, V., Dal Pai-Silva, M., Carvalho, E. D., Fujihara, C. Y., Gregório, E. A., Curi, P. R.
Format: Article
Language:English
Subjects:
Animals
Body Constitution
Body Weight
Brazil
Fishes - anatomy & histology
Fishes - growth & development
Larva - growth & development
Muscle Fibers, Skeletal - ultrastructure
Muscles - anatomy & histology
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Summary:Summary Histochemical, ultrastructural and morphometric methods were used to study growth patterns of red, pink and white muscle fibres and their relation to body weight and total length in the fast‐growing freshwater fish Piaractus mesopotamicus Holmberg. The correlations amongst body weight, body length and diameter of red, pink and white fibres were low. From 10–15 to 40–50 cm, body weight increased 102.7 times, while the diameter of each type of fibre increased by factors of 0.94, 0.74 and 0.70, respectively. Muscle fibres revealed different morphological and histochemical stages of maturation. The frequencies of
ISSN:0340-2096
1439-0264
DOI:10.1046/j.1439-0264.2000.00273.x