Sometimes an outcross is needed. Depends on the genetics.
16 brown leghorn or 16 white houdan? One would benefit from an outcross more than the other. Also vigor should be a consideration.
Closed flocks make sense, but new blood also makes sense.
Pastured cornishX do well and provide a fine product. That's the point. Heritage can't really compete. They need sold for what they are and marketed differently. Takes a very long time and a lot of feed for a good heritage line. Tire kickers and the 'oh yeah's" always leave you hanging. Working...
I'm not into selling fertile eggs or chicks. Eggs for food and meat is where I will go. It falls in line with what we are doing on the farm. As far as the carcass goes, I'm looking at it from the standpoint of commercial birds. Dual purpose cannot compete with a cornishX; which is what most are...
I have been leaning toward Java's, Andalusian, or Spanish, though I'm not sure. I like productive fowl with good utility and I also want to market them. I don't want to make the trip to the auction with the extra birds. I want to be able to sell the meat at the markets or here on the farm. So...
Joseph (Yellowhouse Farm) had some good writings on this subject some years back. They were worth the read multiple times over.
As far as a higher Focus on certain breeds, Yes, there should be. Many of our breeds/varieties can be made again if needed. The Foundational breeds cannot be brought...