Alfalfa guidelines (for domestic livestock use and not more than 10% grass)
|Supreme||< 27||< 34||> 185||> 62||> 55.9||> 22|
|Premium||27 – 29||34 – 36||170 – 185||60.5 – 62||54.5 – 55.9||20 – 22|
|Good||29 – 32||36 – 40||150 – 170||58 – 60||52.5 – 54.5||18 – 20|
*RFV calculated using the Wis/Minn formula.
**TDN calculated using the western formula.
Quantitative factors are approximate, and many factors can affect feeding value. Values based on 100% dry matter (TDN showing both 100% & 90%). Guidelines are to be used with visual appearance and intent of Sale (usage).
Grass Hay Guidelines
|Quality:||Crude Protein Percent:|
|Good||9 – 13|
Quantitative factors are approximate, and many factors can affect feeding value. Values based on 100% dry matter. End usage may influence hay price or value more than testing results.
Supreme: Very early maturity, pre bloom, soft fine stemmed, extra leafy. Factors indicative of very high nutritive content. Hay is excellent color and free of damage.
Premium: Early maturity, i.e., pre-bloom in legumes and pre head in grass hays, extra leafy and fine stemmed-factors indicative of a high nutritive content. Hay is green and free of damage.
Good: Early to average maturity, i.e., early to mid-bloom in legumes and early head in grass hays, leafy, fine to medium-stemmed, free of damage other than slight discoloration.
For more information follow the link to go to: http://www.ams.usda.gov