Ducklings may be reared in intensive, semi-intensive or range system. Under intensive system, allow a floor space of (3 .) up to 16 weeks of age. Under semi-intensive system, a floor space of to (21/2 to 3 ) per bird is allowed in night shelter and to m2 (10 to 15 .) as outside run per bird upto the age of 16 weeks. Usually ducklings are allowed to move to runs at the end of 3 to 4 weeks of age depending upon weather. Water in the drinkers should be to 15 cm (5”.