Relative Feed Value (RFV) Calculator
A worksheet for working out Relative Feed Value from lab numbers, for producers comparing hay lots. Fill in the lines with your own farm figures and keep the finished sheet with your planning records.
Download free PDF1 page, US Letter, prints clean in black and white
WorksheetForages, Pasture & GrazingFree PDF
What you fill in
- Lot and sample ID
- ADF result from lab report
- NDF result from lab report
- Formula from your lab or extension
- Calculated RFV
- Forage type
- Comparison notes
- Decision
How to use this worksheet
Fill it out in pencil first, check the numbers against your records, then ink it. Make a fresh copy for each field, pen or enterprise.
Where to check the details
This sheet is a general template, so confirm specifics with your own manuals, labels and local rules. For current official guidance, start with eXtension and USDA NRCS.
For more in this area, see the cow-calf and ranch know-how. Between chores, farm.FM has farm humor, including Love at the Feed Store, and farming farm stories.