Hopefully by now you have read my post from yesterday, and seen the video the parent Koi that Yagenji had placed together – http://nishikigoi.life/2016/05/13/yagenji-koi-farm-first-spawnings-2016-includes-video-parents/

My first stop this morning, just before 8am, was Yagenji Koi Farm.  Through the door window I could see obvious signs that spawning had occurred, primarily the bubbles on the surface of what yesterday was pristine clean and clear water.

The obvious entrance to the Koi house was locked, however, no sooner had I arrived Daisuke came down mid breakfast and showed me inside and invited me to take some video, explaining that the Sanke set had finished, however the Ginrin Sanke set were continuing to spawn for now.

I set about taking this video of the Ginrin Sanke set whilst Daisuke finished his breakfast.

Whilst filming Daisuke returned and made the omnipresent coffee that makes Yagenji Koi Farm known as Starbucks Mushigame, and while we sat drinking it I had the chance to find out more about the parents that were being spawned.


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This is the second year that the Ginrin set has been used, however last year the males were only nisai (2 year), and a little young.  They hope that now they are sansai they will deliver better results.  The female is 5 years old.

The Sanke set that is being used for the first time also consists of a 5 year old female.  I suggested yesterday that this female was reminiscent of another Yagenji Sanke from 2012, Daisuke advises there is no connection.

Perhaps my most burning question for Daisuke was ‘why do you do natural spawning’, indeed I have old magazine clippings or Daisuke being tutored in artificial spawning by Shigeo Tanaka of Maruju Koi Farm.  Also, I have clippings from Rinko magazine of Daisuke and Toshinori undertaking artificial spawning at Yagenji.

Daisuke’s very first answer was that artificial spawning is ‘mendokusai’.  The dictionary translation of ‘mendokusai’ is of something that is troublesome to do, or tiresome.  Every day language basically means that it’s a pain in the arse!  If you ever hear it in Japan, take heed!

Of course, that is no surprise, if a breeder is to undertake artificial spawning then they need to monitor the Koi through the night and intervene at the appropriate point before starting a whole lot of work.

I figured there had to be more to it than that, if you’ve read me previous posts about Yagenji then no attention to detail is too much.


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Daisuke explained that in the experience of Yagenji, the lifespan of naturally spawned parents is greater than that of artificially spawned parents.

For sure an interesting viewpoint.  Nothing about Yagenji’s model is selling Koi from named bloodlines, certified parents etc.  The Yagenji model is just about providing healthy quality Koi.  If a parent set works they won’t be selling it on name for one or two years, they want it to work for as long as possible.


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