Housing   
        Ducks do not  require elaborate houses. The house should be well ventilated, dry and rat  proof. The roof may be of shed type, gable or half round. It may have solid or  wire floors. The wire floors are not popular with breeders. Under semi-intensive  system the house should have easy access to outside run as the ducks prefer to  be outdoors during the day time and even during winter or rains. Generally the  proportion of night shelter to outside run is 1/4:3/4. The run should gently  slope away from the houses to provide drainage. Normally a continuous water  channel of size 50 cm wide and 15-20 cm. deep is constructed at the far end, on  both sides, parallel to the night shelter, in the rearing or layer house.  
           
        Water   
        Though duck is a  water fowl and very fond of water, water for swimming is not essential at any  stage of duck farming. However, water in drinkers should be sufficiently deep  to allow the immersion of their heads and not themselves. If they cannot do  this, their eyes seem to get scaly and crusty and in extreme cases, blindness  may follow. In addition, they also like to clean their bills periodically and  wash them to clear off the feed. While in meat strains a slight increase in  body weight of ducks at seven weeks of age has been noticed (weight advantage  of swimming ducks to non-swimming ducks is 0.3%), but for egg laying strains,  swimming is a disadvantage.  
        Feeding   
        Ducks may be  grown on dry mash, a combination of dry and wet mash or pellets. Ducks prefer  wet mash due to difficulties in swallowing dry mash. The pellet feeding, though  slightly costly, has distinct advantages such as saving in amount of feed,  minimum wastages, saving in labour, convenience and improvement in sanitary  conditions. Ducks are good foragers. The use of range, pond or supplementary  green feed, reduces the feed cost.  
          
        Feeding 
         Ducks should  never have access to feed without water. During the first eight weeks, birds  should always have access to feed, but later on they may be fed twice a day  i.e. first in the morning and then late afternoon. Khaki Campbell duck consumes about 12.5 Kg. of feed  upto 20 weeks of age. Afterwards the consumption varies from 120 gm and above  per bird per day and depending upon the rate of production and availability of  greens.  
        Suggested  nutrient requirements for egg and meat type duck  
        
          
            
              | Characteristics  | 
              Starter duck | 
              Grower duck | 
              Layer duck | 
              Broiler starter duck | 
              Broiler finisher duck | 
             
            
              | Moisture, % (Max.) | 
              11.00 | 
              11.00 | 
              11.00 | 
              11.00 | 
              11.00 | 
             
            
              | Crude protein, % (Min.) | 
              20.00 | 
              16.00 | 
              18.00 | 
              23.00 | 
              20.00 | 
             
            
              | Crude fibre, % (Max.) | 
              7.00 | 
              8.00 | 
              8.00 | 
              6.00 | 
              6.00 | 
             
            
              | Acid insoluble ash, % (Max.) | 
              4.00 | 
              4.00 | 
              4.00 | 
              3.00 | 
              3.00 | 
             
            
              | Salt, % (Max.) | 
              0.60 | 
              0.60 | 
              0.60 | 
              0.60 | 
              0.60 | 
             
            
              | Calcium, % (Min.) | 
              1.00 | 
              1.00 | 
              3.00 | 
              1.20 | 
              1.20 | 
             
            
              | Phosphorus (Available), %(Min.) | 
              0.50 | 
              0.50 | 
              0.50 | 
              0.50 | 
              0.50 | 
             
            
              | Linoleic Acid, % (Min.) | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
             
            
              | Lysine, % (Min.) | 
              0.90 | 
              0.60 | 
              0.65 | 
              1.20 | 
              1.00 | 
             
            
              | Methionine, % (Min.) | 
              0.30 | 
              0.25 | 
              0.30 | 
              0.50 | 
              0.35 | 
             
            
              | Meth.+ cystine, % | 
              0.60 | 
              0.50 | 
              0.55 | 
              0.90 | 
              0.70 | 
             
            
              | Metabolizable    energy (Kcal/kg) Min. | 
              2600 | 
              2500 | 
              2600 | 
              2800 | 
              2900 | 
             
             
         
        Minerals  and Vitamins 
        
          
            
                              Characteristics                | 
              Starter    duck | 
              Grower    duck | 
              Layer    duck | 
              Broiler    starter duck | 
              Broiler    finisher duck | 
             
            
              | 1. Manganese, mg/kg | 
              90.00 | 
              50.00 | 
              55.00 | 
              90.00 | 
              90.00 | 
             
            
              | 2. Iodine, mg/kg | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
             
            
              | 3. Iron, mg/kg | 
              120.00 | 
              90.00 | 
              75.00 | 
              120.00 | 
              120.00 | 
             
            
              | 4. Zinc, mg/kg | 
              60.00 | 
              50.00 | 
              75.00 | 
              60.00 | 
              60.00 | 
             
            
              | 5. Copper, mg/kg | 
              12.00 | 
              9.00 | 
              9.00 | 
              12.00 | 
              12.00 | 
             
            
              | 6. Vitamin A, IU/kg | 
              6000 | 
              6000 | 
              6000 | 
              6000 | 
              6000 | 
             
            
              | 7. Vitamin D3, IU/kg | 
              600 | 
              600 | 
              1200 | 
              600 | 
              600 | 
             
            
              | 8. Thiamin, mg/kg | 
              5.00 | 
              3.00 | 
              3.00 | 
              5.00 | 
              5.00 | 
             
            
              | 9. Riboflavin, mg/kg | 
              6.00 | 
              5.00 | 
              5.00 | 
              6.00 | 
              6.00 | 
             
            
              | 10. Pantothenic acid, mg/kg | 
              15.00 | 
              15.00 | 
              15.00 | 
              15.00 | 
              15.00 | 
             
            
              | 11. Nicotinic acid, mg/kg | 
              70.00 | 
              60.00 | 
              60.00 | 
              70.00 | 
              70.00 | 
             
            
              | 12. Biotin, mg/kg | 
              0.20 | 
              0.15 | 
              0.15 | 
              0.20 | 
              0.20 | 
             
            
              | 13. Vitamin B12, mg/kg | 
              0.015 | 
              0.10 | 
              0.10 | 
              0.015 | 
              0.015 | 
             
            
              | 14. Folic acid, mg/kg | 
              1.00 | 
              0.50 | 
              0.50 | 
              1.00 | 
              1.00 | 
             
            
              | 15. Choline, mg/kg | 
              1300 | 
              900 | 
              800 | 
              1400 | 
              1000 | 
             
            
              | 16. Vitamin E, mg/kg | 
              15.00 | 
              10.00 | 
              10.00 | 
              15.00 | 
              15.00 | 
             
            
              | 17. Vitamin K, mg/kg | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
              1.00 | 
             
            
              | 18. Pyridoxine, mg/kg | 
              5.00 | 
              5.00 | 
              5.00 | 
              5.00 | 
              5.00 | 
             
             
         
      (Source: www.vuatkerala.org )  |