WEEK OLDS: TAIL FEATHER SEXING
Breeds Include: Barred Plymouth Rock, Rhode Island, Wyandotte, Orpington, Sussex, and Brahma.
Heavy Asian, American, and English chicken breed cockerels have tail feathers that are stumpy, curved; slow to develop. While, pullet tail feathers are long, straight; quick to develop. This sexing method is approximately 80% accurate.
Since Mediterranean and other light breed cockerel have tail feathers that are curved, but only slightly shorter and slower to develop than pullets, those breeds can not be sexed with this method.
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