These figures belong to the named source and method. Historical costs are not current quotations. A value without its stage, material basis or measurement location is not a farm instruction.
| What is measured | Value and basis | Source and limitation |
|---|---|---|
| Retail pack sizes used in India | 200 or 400 g | ICAR-DMR manual, 2011. Thin polythene, local markets. |
| Vent area in a fresh oyster pack | 5 % of bag surface | ICAR-DMR post-harvest bulletin, 2008. Perforated bags below 100 gauge. |

