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Ammonia Production

Home Forums Fresh and Brackish Water Fishes Ammonia Production

This topic contains 0 replies, has 1 voice, and was last updated by  ender2811 6 years, 2 months ago.

Viewing 9 posts - 1 through 9 (of 9 total)
  • Author
    Posts
  • #301765

    ender2811
    Participant

    I was wondering if there was some sort of rule of thumb with regards to how much ammonia fish actually produce?

    #345523

    Eyrie
    Participant

    Interesting question.

    Given that most ammonia is produced through the metabolism of the fish rather than from other sources I suspect it’s a function of size, diet and activity.

    #345524

    ender2811
    Participant

    Yea, that is deff the case. I thought there might be some general number, maybe per inch or gram of fish.

    #345526

    Colin
    Participant

    I hate answering a question with a question but is most ammonia not produced through respiration rather than metabolism? Or are the two linked???

    #345528

    ender2811
    Participant

    Yes, respiration is an integral part of animal metabolism. No oxygen no energy.

    I’m not an expert on fish biology but generally ammonia (or other nitrogen containing compounds) is the result of the breakdown of protein.

    #345539

    Eyrie
    Participant

    My understanding is that respiration involves the intake of oxygen and expelling carbon dioxide, so I’m not sure how respiration on its own would create ammonia for the reason endler2811 says. However most of the ammonia created by metabolism is excreted through the gills.

    Anyone able to clarify this further?

    #345540

    ender2811
    Participant

    Eyrie u are right about what respiration is, strictly by definition, but the CO2 (and ammonia and a whole bunch of other stuff) which is expelled is the end result of the breakdown of food so these two processes are very much interdependent. The only reason u need oxygen is so u can extract energy from organic compounds. Respiration does NOT create ammonia on its own, but then again on its own respiration doesn’t actually do a whole lot of anything.

    #345545

    Matt
    Keymaster

    My understanding is that in fishes ammonia is produced via metabolism of proteins and excreted primarily through the gill membranes. I’d have thought that the amount produced would be dependant on the variables Mark suggested originally, plus other factors such as age, species, etc. so probably near-impossible to quantify.

    Isn’t respiration a metabolic process then?

    #345563

    ender2811
    Participant

    Well thats disappointing /thumbs_up.gif” style=”vertical-align:middle” emoid=”:thumbsup:” border=”0″ alt=”thumbs_up.gif” />

    QUOTE
    Isn’t respiration a metabolic process then? tongue.gif

    Respiration is a metabolic process, but if you just take the gas exchange into account without looking at the next step you could consider it as being detached from the general metabolic pathways.

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