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 |
|---|---|---|
| Oyster spawn run (bag turns white) | 15-25 days | ICAR-DMR oyster folder. Seasonal room, bags kept closed and dark; count from spawning day. |
| Button spawn run in compost | 12-14 days | ICAR-DMR manual, 2011. Controlled room at 23 plus or minus 1 degree air; casing follows. |

