The term Relative Feed Value (RFV) is becoming a widely-used index of quality in the marketing of hay, especially alfalfa hay. Protein is an important factor, some hays can have a relatively high protein but for a variety of reasons they may have relatively high fiber and low digestibility at the same time. On the other hand, it is unusual for hay with a low level of fiber to have low protein as well. The overall value is best indicated by fiber levels.
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Starch analysis involves two basis steps. The first is the enzymatic hydrolysis of starch in glucose. The second is the measurement of glucose levels.READ MORE
Silage and hay are the most common forms of storage for forages. Silages are usually preferred by livestock to hay.READ MORE