Interpreting Forage Quality of Grass Hay
University of Nebraska
Have you ever tested the quality of your grass hay and been disappointed at the low relative feed value? Well, maybe your worry is unnecessary. Farmers and ranchers often tell me their prairie hay or cane hay or other grass hay looks really good but when a lab tested it the relative feed value, also called RFV, was surprisingly low, maybe in the 70s or 80s. So what’s wrong with the hay?