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Discussion in 'General breed discussions & FAQ' started by victor1800, Apr 22, 2009.
How long does it take for a hen or rooster to become full size ? 1 year 14 months ? 16?
Varies somewhat by breed, of course. As an average, they reach their full height around 15 weeks but fill out some after that. Laying usually starts at 4-6 months but some breeds may not lay for the first year. You didn't ask about laying, I know, but the variation gives an idea of how much variation there could be in getting to full size.
My buff orps just now seem to be fully mature...the are 18months!