Re: missing thread

["Tyrone Genade" <Tgenade at sun_ac.za>]

On 10 Dec 2002 at 15:18, Jeff Shoffner wrote:

> Hmmm, I sent to the list a question regarding inbreeding; did anyone
> see it?
> 
> subject was breeding: (was: food shrimp)

Haven't seen it... but then again I 
tuned out of the 'food shrimp' thread a 
while back.

Bottom line: inbreeding (brother 2 
sister) = bad. 

Small breeding number inbreeding is the 
fastest way to fix alleles in a 
population. This can cause the strain 
to deterioate or in the case of 
Scheel's et al breeding efforts: 
produce viable long lasting strains 
through selective breeding.

If you are willing to cull mercilessly 
you can churn out a good strain but the 
odds of this are slim.

As far as possible breed fish in groups 
or with multiple prs. Allow for random 
mating to take place as far as possible 
or select only the fittest fish.

By 'fittest' I imply good shape, color, 
productivity and health.

With nothos and SAAs matters can get a 
bit tricky as generally only one male 
takes complete control of the peat bowl 
but he generally spawns with multiple 
females securing his strong alleles and 
the more varied alleles of the females.

Questions?

tt4n
Tyrone Genade
tgenade at sun_ac.za
http://www.tyronegenade.0catch.com
cell#: 084-3354-977

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