SF_GR310 Des Moines, IA Fri May 17, 2013 USDA Dept of Ag Market News Rock Valley Hay Auction for Thursday, May 16, 2013 All prices dollars per ton, except where noted. All sales FOB Rock Valley, Iowa, vicinity. Receipts: 68 loads One load Small Squares equals approximately 5 tons; Large Squares and Large Rounds range from 10-25 tons per load. Alfalfa: Supreme: Large Squares, 4 loads 290.00-300.00; Large Rounds, 6 loads 285.00-305.00. Premium: Large Squares, 2 loads 235.00-245.00; Large Rounds, 2 loads 240.00-260.00. Grass: Premium: Large Rounds, 3 loads 235.00-250.00. Good: Large Squares, 1 load 225.00; Large Rounds, 14 loads 190.00-225.00. Fair: Large Squares, 1 load 165.00. Mixed Hay: Supreme: Large Rounds, 1 load 330.00. Cornstalks: Large Rounds, 1 load 115.00. Wheat Straw: Large Squares, 6 loads 50.00-110.00. Alfalfa guidelines (domestic livestock use and not more than 10 pct grass) Quality ADF NDF RFV TDN-100 pct TDN-90 pct 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 WI/MN formula. TDN calculated using the western formula. Quantitative factors are approximate and many factors can affect feeding value. Values based on 100 pct dry matter. Quantitative factors are approximate, and many factors can affect feeding value. Values based on 100 pct dry matter. End usage may influence hay price or value more than testing results. Grass Hay guidelines Quality Crude Protein Percent Premium Over 13 Good 9-13 Fair 5-9 Utility Under 5 Source: USDA Market News Service, Des Moines, IA Ami Rayer, 515-284-4460 Desm.lgmn@ams.usda.gov 24 hour recorded market information 515-284-4830 www.ams.usda.gov/mnreports/SF_GR310.txt http://www.ams.usda.gov/lpsmarketnewspage 0735c adr