| 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 | 17 527.50 | |||
| (b) 100 females and 20 males | 21 033.00 | ||||
| Labour | 540.00 | 648.00 | |||
| Electricity | 72.00 | 86.40 | |||
| Medecine 2 | 338.55 | 444.95 | |||
| Miscellaneous 3 | 896.38 | 1 112.37 | |||
| Total: | 19 794.43 | 23 804.72 | |||
| Returns: | |||||
| Meat-duck sales 4 | 2 250.00 | 2 700.00 | |||
| Value of eggs 5 | 17 544.43 | 21 104.72 | |||
| Total: | 19 794.43 | 23 804.72 | |||
| Value of egg per piece | 1.62 | 1.95 | |||
2 2% of costs of ducklings and feed
3 5% of costs of ducklings and feed
5 Average egg production per layer is 120
(Interest on capital investment, depreciation and sale of manure are excluded).