Do we need to cut feathers?

Birds do not need to cut feathers.Cut feathers are generally only for training birds. If birds are only used as birds, there is no need to cut feathers, but if they are flying, they must cut off some feathers.Usually the flying feather is cut off. After cutting it, the ability of the birds to fly will be limited. When cutting, you must be symmetrical, how much you cut on the left and how much you need to cut it on the right, otherwise the birds are not good to keep a balanced balance.Essence