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The effect of perfusate oxygen levels on CO2 excretion in the perfused gill

✍ Scribed by Haswell, M. S. ;Perry, S. F. ;Randall, D. J.

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
211 KB
Volume
205
Category
Article
ISSN
0022-104X

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✦ Synopsis

Abstract

CO~2~ excretion across the perfused trout gill was found to fall to levels approaching zero after 20–30 minutes perfusion with perfusates with oxygen tensions at atmospheric levels. When perfusate oxygen levels were lowered by bubbling with nitrogen, CO~2~ excretion rates remained stable at least 4–6 hours. The ability to maintain a viable perfused gill preparation with respect to CO~2~ excretion may also be directly applicable to related studies, e.g. gill ion regulation.

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