| Item | Infertile eggs (Rs.) | Fertile eggs (Rs.) | |||
| Costs: | |||||
| Ducklings | (a) 100 females | 400.00 | |||
| (b) 100 females and 20 males | 480.00 | ||||
| Feed 1 | (a) 100 females | 16 627.50 | |||
| (b) 100 females and 20 males | 19 953.00 | ||||
| Labour | 576.00 | 691.20 | |||
| Electricity | 76.00 | 91.20 | |||
| Medicine 2 | 340.55 | 408.66 | |||
| Miscellaneous 3 | 851.38 | 1 021.65 | |||
| Total: | 18 871.43 | 22 645.71 | |||
| Returns: | |||||
| Meat-duck sales 4 | 1 620.00 | 1 944.00 | |||
| Value of eggs 5 | 17 251.43 | 20 701.71 | |||
| Total: | 18 871.43 | 22 645.71 | |||
| Value of egg per piece | 0.77 | 0.92 | |||
2 2% of costs of duckling and feed
3 5% of costs of duckling and feed
5 Average egg production per layer 250
(Interest on capital investment, depreciation and sale of manure are excluded)