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Re: Culling
Now that is useful and informative! Thank you. Regards
erny
----- Original Message -----
From: <RuevenM at aol_com>
To: <killietalk at aka_org>
Sent: Saturday, July 14, 2001 9:10 PM
Subject: Culling
>
> Here's an example of my latest severe culling. I am raising hi fin
> swords and working the strain to get large bodied fish with very wide long
> dorsals. My line is beginning to produce a few such fish after 3
generations.
> I was lucky in that I found an exceptional female to start with (always
> females are as much or more important than males and almost always get
> overlooked or just "used"). My last generation of fry totaled over 300
from 7
> five inch plus breeder females and 3 three inch males. This last month I
> have been culling. All the lowfins went first. Then all the early
developing
> males (a fact of killie development too that often gets overlooked) were
> culled as they will stay small and ruin the line by breeding first. Then
all
> average or poor hi fin, small female, deformed, or just not good looking
fish
> went. I saved 25 from the 300+ to make the final cull. (The rest went to a
> friend's pond to grow for the summer and then will be used in public
school
> aquariums next year.) Out of the 25, I have chosen 10 exceptional males, 4
> good females and one exceptional female to join the remaining 5 old
breeder
> females for the next generation. I hope in two more generations to have a
> line of large bodied, wide dorsal hi fin swords. Then I will work for
> specific color lines. Fix the hard stuff first and then do the easy stuff.
I
> used to cull my breeder Blue Gularis just as severely as the swords. Its
how
> you make "inbreeding" produce fish that are bigger, prettier, stronger and
> more fertile than any wild population on the planet -- along with good,
> plentiful food and lots of water changes, plants and nice, large
> well-filtered aquariums.
>
> Robert E.
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