What sort of foodstuff does the chook eat; does it have favorite treats? Has the chicken been into a veterinarian? If you're purchasing a young fowl, ensure that it is entirely feathered and thoroughly weaned (does not have to be syringe fed or parent fed). Signs of a healthier hen https://birdparadiseaviary.com/product-category/birds-for-sale/cockatiels-for-sale/