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  1. #1
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Jpd medicarp sinking disease food

    i came across this info a while back, while trying to sort out a fish that was constantly over eating.
    and eventually succumbed to sinking disease.

    I don't know how effective it is but seems to help with digestion issues that can lead to swimbladder impairment.
    the main point is that over eating, obesity, and /or indegestion can lead to the swimbladder becoming compressed and the fish losing bouyancy.
    and they say that one of the possible early warning signs of indigestion/constapation is the koi gulping air at the surface after eating.

    koi have a two part bladder system that one part is mainly a fixed bouyancy and the second part that is connected to the first by a duct is more adjustable.
    i think this might get compressed by the gut getting over full. or the fish might be gulping air to expand the swimbladder to try and expell the constipation,
    but in doing so over inflate and rupture the swim bladder causing irreversable damage.
    the food looks to be a kind of fibre based laxative aimed at clearing the constipation or indigestion and preventing the swim bladder from getting to that stage.











    Last edited by davethefish1; 07-02-2024 at 10:21 AM.

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  3. #2
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    the only place i've found it for sale is malaysia so i don't know if it is even available in japan as malaysia have thier own JPD food manufacturing facilities.
    https://www.xinyangaquarium.com/prod...ating-sinking/














    Last edited by davethefish1; 07-02-2024 at 10:12 AM.

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  5. #3
    Senior Member Rank = Gosai KiOgon's Avatar
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    IME peas, (common or garden type ) do the same thing practically
    Karasugoi Purachina Benigoi Showa Sanke BudoGoromo Yamabuki ShiroMuji ShiroUtsuri OchibaShigure

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  7. #4
    Member Rank = Nisai 118's Avatar
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    Quote Originally Posted by KiOgon View Post
    IME peas, (common or garden type ) do the same thing practically
    More readily available, with less 'koi tax' too ..
    Democracy falls down at the point where you have to persuade stupid people to vote for you..

  8. #5
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Quote Originally Posted by KiOgon View Post
    IME peas, (common or garden type ) do the same thing practically
    I don't think peas are very effective with anything but the maybe mildest bit of indigestion.
    In fact i've seen very little evidence it even works at all...

    When the fish at risk of sinking disease it needs something much more effective.
    at least JPD seem to be looking into the reasons behind the disease, and a treatment for it.
    as it is being researched by koi dealers in japan in conjunction with japanese universities as a problem in raising jumbo koi.

  9. #6
    Senior Member Rank = Nanasai Naoki Atsumi's Avatar
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    I don't think you should put too much faith in the efficacy or whatever is written on commercial food.
    If the food is of a certain quality, efforts should be made to monitor water temperature, appetite and digestion, and to train eating behaviour accordingly.

    Oxidised food is contraindicated. It is better to use fresh food produced during the year.

    There are some hobbyists in Japan who believe more in commercial food because of its high price. On the other hand, in the past our type of hobbyists were aware of the fact that professional breeders were using relatively cheap, high protein and fresh feeds for commercial fisheries, so we solved the problem by getting diverted products of these.
    *Nowadays there's a lot of small batch products available on the internet.

    Well, no matter how much I stick my neck out in these discussions, I can't get through to people who believe the public statements of efficacy and effectiveness that others publicly advertise.

    If more person actually feeds the KOIs, monitors their condition and makes the fine adjustments, then one day they will accept what I am saying.
    Last edited by Naoki Atsumi; 08-02-2024 at 03:46 PM.

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  11. #7
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Quote Originally Posted by Naoki Atsumi View Post
    I don't think you should put too much faith in the efficacy or whatever is written on commercial food.
    If the food is of a certain quality, efforts should be made to monitor water temperature, appetite and digestion, and to train eating behaviour accordingly.

    Oxidised food is contraindicated. It is better to use fresh food produced during the year.

    There are some hobbyists in Japan who believe more in commercial food because of its high price. On the other hand, in the past our type of hobbyists were aware of the fact that professional breeders were using relatively cheap, high protein and fresh feeds for commercial fisheries, so we solved the problem by getting diverted products of these.
    *Nowadays there's a lot of small batch products available on the internet.

    Well, no matter how much I stick my neck out in these discussions, I can't get through to people who believe the public statements of efficacy and effectiveness that others publicly advertise.

    If more person actually feeds the KOIs, monitors their condition and makes the fine adjustments, then one day they will accept what I am saying.
    in an ideal world Naoki we would feed fish perfectly, starve them for 4 months of the year, and wouldn't need to use such products.
    and no one knows if they even have the desired effect, as it is not available over here.
    I can understand why they would use a feed with a high soluable fibre level in it, for fish who apparently have a bowel blockage.
    as it encourages loose bowel movements, as anyone who ever ate a large bowl of kellogs bran flakes will tell you
    Last edited by davethefish1; 08-02-2024 at 03:12 PM.

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  13. #8
    Senior Member Rank = Nanasai Naoki Atsumi's Avatar
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    Food companies are trying to sell products with more added value and higher profit margins by claiming some kind of efficacy in the face of increased competition.
    That does not in any way negate the efficacy of the product.

    SAKIHIKARI, for example, is an excellent all-round food and the difference in quality will be noticeable in early autumn, when they begin to accumulate nutrients and form TSUYA and TERI.

    In other mid-summer, all that is required is a minimum guaranteed quality and quantity is more important.If it is a more appetising type of food, perhaps BP Milling food would be worth it?
    Because they seem to be producing with enough commitment in their own way.

    Of course, I would not rule out feeding SAKIHIKARI all year round if a person is financially able to afford it.

    If seasonal feeding programmes were to become more common, and the custom of competing with each other for bulked-up physiques in line with the autumn harvest season became more commonplace, the effects and benefits of better food would naturally come under close scrutiny.

    However, if only the value-added aspects of specific products are being discussed at a stage when the current summer feeding period is being neglected, it seems that we are simply being driven by their commercial warfare strategies.
    Last edited by Naoki Atsumi; 09-02-2024 at 02:11 AM.

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