Relationship between metabolic rate in vitro and body mass in a marine teleost, porgy Pagrus major

Shin Oikawa, Yasuo Itazawa

研究成果: ジャーナルへの寄稿記事

15 引用 (Scopus)

抄録

The rate of oxygen consumption of minced whole body was determined volumetrically, as an indication of metabolic rate in vitro (Min vitro), at 20°C in porgy Pagrus major ranging from 0.0002 g (just after hatch) to 2.9 g (67 days old) in body mass. A triphasic relationship was found between Min vitro of individual fish (μl.min-1) and wet body mass W (g). During the prolarval stage accompanied with the transitional period to the postlarval stage (0.00020-0.00023 g, 0-6 days old), the mass-specific metabolic rate in vitro (Min vitro/W in μl.g-1.min-1) increased with age (D in days) as expressed by an equation Min vitro/W = 3.88 + 0.74/D. During the postlarval stage (0.00031-0.003 g, 8-22 days old), Min vitro/W remained almost constant, independent of body mass following an equation Min vitro/W = 5.24 W-0.085. During the juvenile and adolescent stages (0.0047-2.9 g, 30-67 days old), Min vitro/W decreased with increasing body mass following an equation Min vitro/W = 1.66 W-0.235. These results correspond with the triphasic relationship between metabolism in vivo and body mass observed in intact porgy of 0.0002-270 g (Oikawa et al. 1991). It is concluded, therefore, that the dependence of mass-specific metabolic rate on body size exists in vitro as well as in vivo, during the early stages in the porgy. Based on these results, factors controlling the metabolism-size relationship are discussed.

元の言語英語
ページ(範囲)177-182
ページ数6
ジャーナルFish Physiology and Biochemistry
10
発行部数3
DOI
出版物ステータス出版済み - 10 1 1992

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porgy
Pagrus major
teleost
Metabolism
body mass
Hatches
Fish
Oxygen
metabolism
rate
In Vitro Techniques
oxygen consumption
body size
Body Size
Oxygen Consumption
Fishes

All Science Journal Classification (ASJC) codes

  • Physiology
  • Biochemistry
  • Aquatic Science

これを引用

Relationship between metabolic rate in vitro and body mass in a marine teleost, porgy Pagrus major. / Oikawa, Shin; Itazawa, Yasuo.

:: Fish Physiology and Biochemistry, 巻 10, 番号 3, 01.10.1992, p. 177-182.

研究成果: ジャーナルへの寄稿記事

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abstract = "The rate of oxygen consumption of minced whole body was determined volumetrically, as an indication of metabolic rate in vitro (Min vitro), at 20°C in porgy Pagrus major ranging from 0.0002 g (just after hatch) to 2.9 g (67 days old) in body mass. A triphasic relationship was found between Min vitro of individual fish (μl.min-1) and wet body mass W (g). During the prolarval stage accompanied with the transitional period to the postlarval stage (0.00020-0.00023 g, 0-6 days old), the mass-specific metabolic rate in vitro (Min vitro/W in μl.g-1.min-1) increased with age (D in days) as expressed by an equation Min vitro/W = 3.88 + 0.74/D. During the postlarval stage (0.00031-0.003 g, 8-22 days old), Min vitro/W remained almost constant, independent of body mass following an equation Min vitro/W = 5.24 W-0.085. During the juvenile and adolescent stages (0.0047-2.9 g, 30-67 days old), Min vitro/W decreased with increasing body mass following an equation Min vitro/W = 1.66 W-0.235. These results correspond with the triphasic relationship between metabolism in vivo and body mass observed in intact porgy of 0.0002-270 g (Oikawa et al. 1991). It is concluded, therefore, that the dependence of mass-specific metabolic rate on body size exists in vitro as well as in vivo, during the early stages in the porgy. Based on these results, factors controlling the metabolism-size relationship are discussed.",
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