Different growth rates of male chicken skeletal muscles related to their histochemical properties

H. Iwamoto, T. Gotoh, Y. Ono, H. Takahara

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

1. Early, M. pubo-ischio-femoralis pars medialis (PIF muscle) and late, M. iliotibialis lateralis pars postacetabularis (ITL muscle), maturing muscles were studied. These two muscles contained different populations of histochemical fibre types. 2. The profile measurements of the muscles showed diphasic allometric growth relative to the weights. In the early stage of growth (up to 15 weeks after hatching), the muscle length, width and depth all increased, while in the later stage (from 15 to 35 weeks) muscle growth resulted mainly from the marked increase in the depth and to a lesser degree, from an increase in the width. 3. Type I fibres, observed predominantly in PIF muscle matured earlier than the Type II fibres of ITL muscle. 4. From these results, the detailed process of skeletal muscle growth in the chicken was discussed.

Original languageEnglish
Pages (from-to)925-938
Number of pages14
JournalBritish Poultry Science
Volume34
Issue number5
DOIs
Publication statusPublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Food Science
  • Animal Science and Zoology

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