The male Muscovy duck R71 and the male hybrid of duck and Muscovy duck (crossbreds between male French Muscovy duck with female duck Super M) are feed to 90 days old. They are bred in coop used feed trough in 14 days with special technology. The food is a mixture of boiled corn and 4g Premix Vitamin. In addition, they have to drink sufficient water and live in the condit