Mixed JDs are breeding!

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Loshmitchell101

Loshmitchell101

Gambusia
MFK Member
Nov 19, 2009
904
7
18
Las Vegas, Nevada
Hello All,
Were so excited! Our male blue gene JD and female gold JD have been spawning all night! Theyre shy but there are eggs laid tonight. The pics are of them over the site and together I accidently spooked them so ive backed off. What can I expect?
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I'm not personally sure what you should expect but congrats!!! and keep us updated I'm curious to see how they do.

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I believe you'll get a mixed batch of golds, blue genes, and wild type. But if you breed those back to ebjd or blue gene you'll get platinums. Someone please correct me if I'm wrong tho.

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Im really excited we have the eggs removed now and into a 29G solo. Its day two now and there are minimally white eggs as expedted. So these look good well grow these out in no time. Ill keep a pogression on these. Soon ill have egg pics too

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Loshmitchell101 said:
Our male blue gene JD and female gold JD have been spawning all night! What can I expect?
Click to expand...

Mitch,

Congrats on the spawn. If the male is a BG with no gold genes and the female is a gold with no blue genes, then you should expect 100% wild type fry from this spawn. Because only one parent has the gold genes and carries two sets of the recessive gene, then all the fry will carry one copy of the recessive gold gene. Because only one parent carries the recessive blue gene and only one copy, then half of the fry will carry the blue gene and the other half will not.

So 1/2 will be gold gene wild types and 1/2 will be blue gene/gold gene wild types and there is no way to tell by appearance which one is which unless you breed them to a fish with known genetics like a platinum JD.

Good luck with the hatch and fry.

Regards,
Patrick
 
auratum said:
Mitch,

Congrats on the spawn. If the male is a BG with no gold genes and the female is a gold with no blue genes, then you should expect 100% wild type fry from this spawn. Because only one parent has the gold genes and carries two sets of the recessive gene, then all the fry will carry one copy of the recessive gold gene. Because only one parent carries the recessive blue gene and only one copy, then half of the fry will carry the blue gene and the other half will not.

So 1/2 will be gold gene wild types and 1/2 will be blue gene/gold gene wild types and there is no way to tell by appearance which one is which unless you breed them to a fish with known genetics like a platinum JD.

Good luck with the hatch and fry.

Regards,
Patrick
Click to expand...

+1

But I'm a little worried your male is just a normal Jd. I don't see any blue gene Dempsey there.

Still a likely 100% wild batch tho.


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