Re: [Killietalk] Water incubation of annuals - Gibbs system

["Allan Semeit" <azkillie at cox_net>]

Hi Bobby!

It has been quite a few years since I visited Howard and saw his set-up.  As 
I remember it, he pumped the air through a flat-bottomed Erlenmeyer flask 
that had a rubber stopper on the top.  The stopper had two holes through 
which he inserted some rigid air stems.  The one from the pump went into the 
water and bubbled up.  The exit one was above the water level and ran to the 
first plastic bag containing peat (and eggs).  In turn, the first bag was 
connected to a second so that a series of bags received the humid air flow. 
The bags were suspended to take advantage of the warmer air higher in the 
room (Bill Gallagher uses this latter idea).

I'm sorry if this is an inadequate description.  I do know that there has 
been at least one, probably more, articles about Howard's system with a 
diagram.  Perhaps someone from BAKA can provide us with a fuller picture of 
how Howard's system works.

Allan from Arizona



Message: 5
Date: Fri, 14 Dec 2007 08:41:52 -0800 (PST)
From: ROBERT ELLERMANN <ruevenm at sbcglobal_net>
Subject: Re: [Killietalk] Water incubation of annuals
To: killifish discussion list <killietalk at aka_org>

Hi Allan,

      Could you go into a bit more detail on Howard's method? I can't quite 
picture the set-up. Do you mean like a sealed tank with a jar of water with 
an airstone bubbling and bags of open peat hanging around? I'm assuming he 
searched the bags regularly to check development. I know he raised alot of 
occidentalis and this seems like an excellent method for that particular 
fish.

  Bobby

Allan Semeit <azkillie at cox_net> wrote:
  Does anyone use the system invented by Howard Gibbs? Howard was a master
breeder who achieved incredibly short incubation times for peat spawners.
He hung bags with peat and eggs in a row. Using a sealed system, an air
pump was bubbled through a jar of water and then the air went into the bags
with peat. This system provided both oxygen and humidity to the bags. The
hatch occurred in weeks instead of months.

Howard's method is described somewhere. I'm not sure if it was in JAKA or
in a Bay Area Killifish Association newsletter.

Allan from Arizona
Chilling with highs in the low 60s


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