Resources

Nutritional Information

USDA Guidelines
Alfalfa guidelines  (for domestic livestock use and not more than 10% grass)

Quality: ADF: NDF: RFV*: TDN-100%**: TDN-90%**: CP:
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:
Premium Over 13
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.

 


 

Hay Quality Designations Physical Descriptions:

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

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