Recreating a Mix in the Opposite Direction

[nicalandia]

Sex linked in the sense of being linked to the Z chromosome? So the Ancona X hens with an Ancona father would inherit there laying traits from that breed? Just trying to elaborate a little for my own understanding.

Egg laying traits, color, size are polygenic traits(expanding multiple alleles and chromosomes), many of them are sex linked(Z chromosome). 3/4 Ancona pullets(F1 cross with Ancona father) will be as prolific as Ancona


I can't find the study at this time, but on a Leghorn x Red Jungle Fowl reciprocal crossing, they found that pullets with Leghorn sire produced larger eggs(about 85-90% of Leghorn size), produced almost the same amount per year and were less inclined to go broody(about 10% of them went broody), hens with Red Jungle Fowl sire produced smaller, fewer eggs and went broody most of the time(about 60% of them).

 

[nicalandia]

I was able to find the study, old study but the procedures are outstanding.

https://www.jstage.jst.go.jp/article/jpsa1964/16/3/16_3_121/_pdf

 

[Harmony Fowl]

I was able to find the study, old study but the procedures are outstanding.

https://www.jstage.jst.go.jp/article/jpsa1964/16/3/16_3_121/_pdf

A short but very good read. So many interesting points. There is oh so much to think about, but this definitely provides the answers I was looking for. So, in theory, the Orpington/Ancona (father/mother) crosses I have, while good, would theoretically be even better if the cross were reversed when it came to productivity since the Ancona is generally a breed with higher laying ability than the Orpington.

 

[nicalandia]

So, in theory, the Orpington/Ancona (father/mother) crosses I have, while good, would theoretically be even better if the cross were reversed when it came to productivity since the Ancona is generally a breed with higher laying ability than the Orpington.

Yes, that you can expect better productivity with a reversed cross, try it and let us know how that works!