Fruju Posted January 18, 2011 Report Share Posted January 18, 2011 I have some nice blue dempseys that are mature enough to breed, I think there is 3 males 1 female. Although my initial intention was to breed bluexblue I was informed that you can only get viable offspring if its a normalxblue? Is that true? Anyone here with experience breeding jd's/electric blues? cheers Quote Link to comment Share on other sites More sharing options...
Duncan7 Posted January 18, 2011 Report Share Posted January 18, 2011 Few threads on here about it, from memory you need to breed blue and normal (they call them green) to get blue/green offspring with the blue gene, then breed one of the blue/green guys with a full blue dempsey to get a mixture of offspring inc blue dempseys. In theory you could breed two blue/greens together to get blue offspring aswell but with a smaller ratio of blue offspring. Not sure how complex the genetics are and whether its as simple as a 2x2 punnet square, or if there is more genes involved in the blue phenotype, but have seen people calculate the crosses as if there were only two genes involved. Lots of info on the blue dempsey forum http://bluejax.14.forumer.com/index.php ... 0e8f572af3 I have a large blue/green (apparantly) female in my tank that i was going to give it a go with one day, just never had the blue male. Quote Link to comment Share on other sites More sharing options...
Fruju Posted January 18, 2011 Author Report Share Posted January 18, 2011 Some good info thanks. Pretty sure I have 3 males and 1 female, however I will probably be selling 1 male and 1 female to raise funds for delhezis lol, my biggest is about 8inches. Quote Link to comment Share on other sites More sharing options...
Jaxxnz Posted January 20, 2011 Report Share Posted January 20, 2011 however I will probably be selling 1 male and 1 female, my biggest is about 8inches. Walk way Jax..Walk away.. :nilly: Quote Link to comment Share on other sites More sharing options...
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