I banded my six hens and one cockerel Sept 12th at 20 weeks old. On all the birds, I used the 3/4" diameter (B) of the
Aluminum leg bands for chickens from Pinnon Hatch. They are all Partridge Plymouth Rocks, too give an idea of sizing.
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The bands on the hens are doing well, but I'm concerned that I misjudged my cockerel. The band is not breaking skin, but I don't know how snug or loose it should be or if placement should have been above the spur versus under, which I did. There is still a centimeter or so of wiggle room and the band can be rotated with the only difficulty being a funny bends I plan to fix with pliers; the metal is very pliable.
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Does this look alright, at least for now? Or do I cut it off. He's my only cock as of now and each bird has a wing band with matching number.
I can try for more photos if needed, probably during daylight.