In the long run, you'll get more calories out of the isa brown than you will out of the CX.
It is rather startling to see the 2 compared side by side at that age.
You'll probably have a dozen chicken dinners before you eat your first egg. lol
I've got a similar pic at that age...so funny!!! My CX and the DP bird were free ranged together and fed the same ration, so not as big a difference in size but still remarkable difference all the same. The one on the left is a little cockerel and the CX is a pullet.
I think I'm turning Japanese. I really think so. This tiny ad thinks so too:
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