[Some problems of controlling aggressive plucking and feather eating among ducklings raised on dry land].
D000818:Animals; D001522:Behavior, Animal; D004372:Ducks; D004781:Environmental Exposure; D005241:Feathers; D001068:Feeding and Eating Disorders / Q000662:veterinary*; D006801:Humans; D011201:Poultry Diseases; D014867:Water
D014867:Water
Nekotorye voprosy bor'by s rasklevom utiat vyrashchivaemykh bez vodoemov.