Question: 
asking about ducklings availability, space requirement, standard male and female ration, duck breed for meat and egg production	
Answer: recommended to contact kvk kamrup, dr. dhirendra nath kalita 9435044574 . space requirement under intensive system, a floor space of 4 to 5 sq.ft. per duck is essential, whereas in semi-intensive system, a floor space of 3 sq.ft. in the night shelter and 10 to 15 sq.ft. as outside run bird would be adequate. 1:6 to 1:8 is the favourable male and female duck ratio, khaki campbell for egg production and white pekin for meat purpose are the best one.