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My first Breese/Cornish X cross (F1), produced bigger birds. My follow up Brother/Sister groups is an attempt to purify two lines. I have 2 roosters from F1 that have different growing characteristics, one of them was 8lbs and the other was 12lbs at 5 months. I want to reproduce or clone these two roosters into two separate lines.Out of curiosity what traits are you breeding for in this project? What is the end game you have in mind?
I also hatched another potential line with the Breese father/F1 daughters, I will keep two big hens with blue legs from this hatch and breed them to a pure Breese rooster chick that I am grooming. He carries the blood from two different Breese import lines from Green Fire Farm.
My end game would be Cornish X hybrid vigor from crossing 2 purified lines. But at this point in time, I would be happy if I could just clone my 8 or 12lbs roosters. This already is an improvement to other heritage breeds I raised for meat at the same age.
This is a picture of the Breese father/daughter line. However, the bigger chick is from the 12lbs rooster, she is about 10 days older. I already met one of my objective with the big chick in the picture, she is nice and plump, and has white legs like her father. I will be selecting for white legs in this line and yellow legs in the 8lbs rooster line, since he has yellow legs.
Overall, I will be selecting for size, color of leg, white feathering and temperament.
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