CanadianBuckeye
Songster
PS Hellbender I like that pearl eye colour your avatar beastie has! Unfortunately none of my cornish seem to have pearl eyes, although at least they are more yellow than red.
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What is the best way to develop that mind's eye goal? I look at my birds and I see what I like and don't like, but I am having a hard time figuring out how to put two birds with faults/good things together, so that the offspring will be better. I suppose that it will be mostly trial and error, given that I have so few to start out with.
That's my point... If you are raising the birds to put meat on the table, then you need to select breeders that are increasing whatever traits you want to propagate, at the age that you are ready to butcher..
Let me clarify:
You want to butcher your birds at 12 weeks.
You have 3 cockerels to choose from. A- matures out at 8 weeks. B is in his prime at 12 weeks, and C takes 2 years to full mature and fill out. You keep all three, and at 2 years of age, Cockerel C is the lead candidate for mass and substance.
So, you have to make the decision- keep C because he's the big heavy mature bird, or keep B because he's the one that's the biggest, meatiest, and best carcass at 12 weeks? Maybe you should keep A because he'll shorten your days on feed.
In raising meat birds, days on feed is important, whether or not you free range. Maturity pattern is important as well. By keeping the slow growing, late maturity birds, the only thing you are doing is ensuring that your birds will be ready for the table later in life. Economically speaking- if you have a flock of birds that will lay on 80 percent of the final product by 12 weeks of age, and you have a flock that will lay on 100 percent to the final product at 12 months of age== which one is more productive? Practical? Feed efficient? More bang for you buck?
I raised Cornish for many years, and this whole thing about Cornish being slow maturing is hog wash. Yes they are slow growing, but compared to any other chicken they simply have more meat at nearly every stage of life than any others. Yes they are slow to mature, slow to crow, and slow to lay== but if you debone the entire bird, at nearly every stage of life- you'll find more leg and breast than anything else. The only thing I can tell is that they won't lay a layer of fat onto the carcass as early as most will-- but even mature the genetics, body style and capabilities aren't going to allow for that layer of fat anyways.
So, like I said, if it was my breeding program, I would select for the birds that fit the bill of what I want-- meaty carcasses at 12 weeks of age. Having a big massive, monster mature cock does me know good if he's a meatless, spindly legged, light weight 12 week old cockerel...