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Fish Sedation and Handling !

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Fish Sedation and Handling !

Post by Admin on Fri Jul 29, 2011 8:03 pm

A Fine series of Video Clips by DR Tim Miller here Very Happy

Sedation part One Arrow



Sedation part Two Arrow



Skin Scrape & Gill Biopsy Arrow



Koi Scrape courtesy of Koitv Arrow Very Happy


http://www.koi.tv/Play.aspx?videoID=476




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Re: Fish Sedation and Handling !

Post by Admin on Tue Aug 02, 2011 8:33 pm

Fishkeepers unduly concerned about sedating any Parasites along with the Fish ..... fret not ... myriad Parasites have been discovered and diagnosed during Gill Biopsies including those performed myself and Dead or Immobile Parasites such as those in the pics below are still readily identifiable Wink




http://www.staff.stir.ac.uk/charles.mcgurk/eafp1/GIL10M.HTM

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Re: Fish Sedation and Handling !

Post by nmtsaki on Wed Aug 03, 2011 7:05 am

Those are good videos to have quick access to.
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Re: Fish Sedation and Handling !

Post by Admin on Wed Aug 03, 2011 7:08 am

nmtsaki wrote:Those are good videos to have quick access to.

He is awesome Nancy ... and takes ALL the terror out of performing a Gill Biopsy/Snip.... Very Happy

I carry these out routinely now...

Goldies next Twisted Evil

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Re: Fish Sedation and Handling !

Post by nmtsaki on Wed Aug 03, 2011 7:16 am

Yes, I've seen this series of videos before, and he''s really good. It's always better to see someone do a procedure first, rather than just reading about it. I've never done a gill snip ! Yikes, poor Goldies, probably don't know what's in store for them.

And yes, since I do parasitology in a laboratory, at least for human parasites, most ID is done on preserved specimens. We look for size and structural clues, as opposed to motility. However, the motility does help in koi keeping!
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Re: Fish Sedation and Handling !

Post by Admin on Wed Aug 03, 2011 7:35 am

I have yet to experience an anesthetic causing loss of motility in Parasites Nancy .. but have not used MS222 aka Finquel previously.

And no two Koi Parasite species are remotely alike I have found ...

I lost count of these Gill Snip Parasite numbers after the first 100 ... Shocked all of which were very much alive on the slide initially Twisted Evil


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Re: Fish Sedation and Handling !

Post by nmtsaki on Wed Aug 03, 2011 8:57 am

In our lab, we just throw our samples into formalin, which pretty much kills the parasites, but preserves their size and shape. I may look at the sample a week later.
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Re: Fish Sedation and Handling !

Post by Admin on Wed Aug 03, 2011 9:13 am

nmtsaki wrote:In our lab, we just throw our samples into formalin, which pretty much kills the parasites, but preserves their size and shape. I may look at the sample a week later.

Formalin ... a great preservative (I vividly remember the infamous Damien Hirst `SHEEP` in Formaldehyde) Shocked

http://www.artchive.com/artchive/H/hirst.html

Do you get to view live Parasite species from your own Pets Nancy ?

I killed the Tetrahymena in it`s tracks with an accidental OD of Iodine Embarassed as is demonstrated in the pics Embarassed

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