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Please use this identifier to cite or link to this item: http://scholars.ntou.edu.tw/handle/123456789/6063
Title: OXYGEN-CONSUMPTION AND AMMONIA-N EXCRETION OF PENAEUS-CHINENSIS (OSBECK, 1765) JUVENILES AT DIFFERENT SALINITY LEVELS (DECAPODA, PENAEIDAE)
Authors: Jiann-Chu Chen 
Fan-Hua Nan 
Issue Date: Sep-1995
Publisher: BRILL
Journal Volume: 68
Journal Issue: 6
Start page/Pages: 712-719
Source: Crustaceana
Abstract: 
Oxygen consumption (O₂ mg/g/h) of Penaeus chinensis (Osbeck, 1765) juveniles (0.078 ± 0.011 g) appeared to increase with increase of salinity over the range of 15, 20, 25 and 30 ppt, while ammonia-N excretion (mg/g/h) displayed an inverse relationship with salinity. Both oxygen consumption and ammonia-N excretion of prawns in 25 and 30 ppt was relatively stable. However, prawns at low salinity (15 and 20 ppt) consumed less oxygen and excreted more ammonia-N. It is suggested that catabolism of amino acid is required to reduce the internal osmolality of prawns which utilize amino acid as fuel to provide the necessary energy for hypo-regulation of P. chinensis. /// La consommation doxygène (O₂ mg/g/h) de juvéniles de Penaeus chinensis (Osbeck, 1765) (0.078 ± 0,011 g) apparaît comme croissant en même temps que la salinité, dans léchelonnement de 15, 20, 25 et 30 ppt, tandis que lexcrétion ammoniac-N (mg/g/h) montre une relation inverse avec la salinité. La consommation doxygène et lexcrétion ammoniac-N des crevettes à 25 et 30 ppt étaient lune et lautre relativement stables. Cependant, à basse salinité (15 et 20 ppt), les crevettes consommaient moins doxygène et excrétaient plus dammoniac-N. Il est suggéré que le catabolisme des aminoacides est nécessaire pour réduire losmolalité interne des crevettes utilisant les aminoacides comme combustibles pour fournir lénergie nécessitée par lhyporégulation, comme le fait P. chinensis.
URI: http://scholars.ntou.edu.tw/handle/123456789/6063
ISSN: 0011-216X
DOI: 10.1163/156854095x01925
Appears in Collections:水產養殖學系

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