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An apparent specific dynamic action in Mytilus edulis L.
Bayne, B.L.; Scullard, C. (1977). An apparent specific dynamic action in Mytilus edulis L. J. Mar. Biol. Ass. U.K. 57(2): 371-378
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769
Peer reviewed article  
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Trefwoorden
    Filtration > Water filtration
    Oxygen consumption
    Mytilus edulis Linnaeus, 1758 [WoRMS]
    Marien/Kust
Auteurs  Top 
  • Bayne, B.L.
  • Scullard, C.
Abstract
    Rates of oxygen consumption and filtration by M. edulis increased immediately following feeding. Filtration rates then declined to pre- feeding values within 8-16h. When the food was Tetraselmis suecica, oxygen consumption declined non-linearly to the pre-feeding level within 28- 32h. This decline in oxygen consumption was resolved into 2 components, the first of which was coincident in time with changes in filtration rate, the 2nd of which coincided with a marked increase in rats of ammonia excretion. It is concluded that the first component in oxygen consumption decline represents the mechanical cost of feeding, and amounts to 24% of the energy available in the ingested ration; the 2nd component represents the specific dynamic action of the ration (or the physiological cost of feeding) and amounts to 4% of the energy in the ingested ration. When the food was Phaeodactylum tricornutum, there was no detectable specific dynamic action.
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