Histological Change in the Muscles of Diploid and Triploid Ayu during Growth and Maturation.

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  • 二倍体および三倍体アユの成長および成熟に伴う筋肉組織の変化
  • 2バイタイ オヨビ 3バイタイ アユ ノ セイチョウ オヨビ セイジュク ニ

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Abstract

The muscles of ayu Plecoglossus altivelis from the juvenile (June) through adult (October) stage were observed histologically. The mean value of cross-sectional area of muscle fivers increased between June and September, from 4-8×10-3mm2 to 3-9×10-2mm2. There was no significant difference in the cross-sectional area between diploid and triploid fishes. The appearance of phagocyte-like cells positive to antibody against salmon muscle cathepsin L and the concurrent disintegration of muscle fivers was considered to bring about a qualitative decline of the fish muscle at the spawning stage.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 59 (7), 1151-1154, 1993

    The Japanese Society of Fisheries Science

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