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<blockquote data-quote="Dave" data-source="post: 37607" data-attributes="member: 498"><p>This is the explanation given at the bottom of the USDA hay report out of Moses Lake, WA. I think the USDA uses these same basic standards all over the country.</p><p></p><p> Price quotes are FOB for current delivery unless otherwise stated.</p><p>Alfalfa hay test guidelines, used with visual appearance and intent of</p><p>sale. Quantitative factors are approximate and many factors can </p><p>affect feeding value.</p><p> </p><p> ADF NDF RFV TDN-100% TDN-90% CP</p><p>Supreme <27 <34 >185 >62 >55.9 >22</p><p>Premium 27-29 34-36 170-185 60.5-62 54.5-55.9 20-22</p><p>Good 29-32 36-40 150-170 58-60 52.5-54.5 18-20</p><p>Fair 32-35 40-44 130-150 56-58 50.5-52.5 16-18</p><p>Utility >35 >44 <130 <56 <50.5 <16</p><p> RFV calculated using the Wis/Minn formula. TDN calculated using </p><p>the western formula. Values based on 100% dry matter, TDN both 90% & </p><p>100%.</p><p></p><p>RFV is relative feed value</p><p>TDN is total digestable nutrients</p><p>CP is crude protein</p><p>ADF is acid detergent fiber</p><p>NDF is neutral detergent fiber</p><p>Dairy hay is generally high nutrient easily degestable hay.</p><p>Horse hay??? no dust or mold??? I guess it depends on what feed stores figure people will feed to horses.</p><p>Rounds are round bales.</p><p>Small squares are standard two tie bales. Some times three ties are included as small squares. </p><p>Large square bales are generally the 4' by 4' by 8' ton bales.</p><p>Mediums are bales that are somewhere in between.</p></blockquote><p></p>
[QUOTE="Dave, post: 37607, member: 498"] This is the explanation given at the bottom of the USDA hay report out of Moses Lake, WA. I think the USDA uses these same basic standards all over the country. Price quotes are FOB for current delivery unless otherwise stated. Alfalfa hay test guidelines, used with visual appearance and intent of sale. Quantitative factors are approximate and many factors can affect feeding value. 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 Fair 32-35 40-44 130-150 56-58 50.5-52.5 16-18 Utility >35 >44 <130 <56 <50.5 <16 RFV calculated using the Wis/Minn formula. TDN calculated using the western formula. Values based on 100% dry matter, TDN both 90% & 100%. RFV is relative feed value TDN is total digestable nutrients CP is crude protein ADF is acid detergent fiber NDF is neutral detergent fiber Dairy hay is generally high nutrient easily degestable hay. Horse hay??? no dust or mold??? I guess it depends on what feed stores figure people will feed to horses. Rounds are round bales. Small squares are standard two tie bales. Some times three ties are included as small squares. Large square bales are generally the 4' by 4' by 8' ton bales. Mediums are bales that are somewhere in between. [/QUOTE]
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