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Curt_914 10-03-2012 05:57 PM

Breeding Higher grade shrimp
 
Ok so I am sure this has been covered but is it possiable to start with A grade CRS/CBS. and through culling obtain higher grades? how many generations would it take to get s grade or higher?

Curt

rodcuda 10-03-2012 06:07 PM

You would likely get some S grade on the first generation depending on the quality and lineage of the A parents. And then culling could continue to improve those percentages.

sbarbee54 10-03-2012 06:14 PM

It could take a really long time, you are better off buying a couple higher grade and starting with less, then starting with a bunch of low grade

discusonly 10-03-2012 06:21 PM

Quote:

Originally Posted by sbarbee54 (Post 2031200)
It could take a really long time, you are better off buying a couple higher grade and starting with less, then starting with a bunch of low grade


Totally agree. If one prefer the look of the higher grade, start with a few SS.

kevmo911 10-03-2012 06:33 PM

Guys, he's only asking about jumping up a single grade step, not go from C's to SSS+'s overnight. Some patience and careful culling should see some decent results over a matter of months.

mordalphus 10-03-2012 07:03 PM

It is possible to do it like that, especially if the 'a' grades you start with are culls of a higher grade, like having ss parents.

If they are grade 'a' but parents are also grade 'a', it can take much culling and many years to go from grade 'a' to grade 'sss'.

GeToChKn 10-03-2012 07:11 PM

Quote:

Originally Posted by mordalphus (Post 2031238)
It is possible to do it like that, especially if the 'a' grades you start with are culls of a higher grade, like having ss parents.

If they are grade 'a' but parents are also grade 'a', it can take much culling and many years to go from grade 'a' to grade 'sss'.

+1. Parents genetics will play a huge roll. Babies I can see in my higher grade tank from 1 mother right now range from a few A/S grade,some SS grade, a few snow's and a few CBS as well. I'm sure those A/S grade babies when they grow up will throw out a few higher grades as their are only high grades in the breeding tank.

In my cull tank, I can see a few SS babies when it's mostly lower grades in there, so the babies in there will go to higher grade tank and the lower grades from the other tank will get moved to the lower grade tank.


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