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I think that feather sexing wouldn't work for hatcheries because you don't see those primary feathers well enough right after hatch. It's between days 1 and 3 that they are clearer. I'm not defending it as true - since i have no evidence. But i can see how it could be quite accurate without being beneficial to the hatcheries.
I think that feather sexing wouldn't work for hatcheries because you don't see those primary feathers well enough right after hatch. It's between days 1 and 3 that they are clearer. I'm not defending it as true - since i have no evidence. But i can see how it could be quite accurate without being beneficial to the hatcheries.