SF_GR310 Sioux Falls, SD Thu Oct 19, 2017 USDA-SD Dept of Ag Market News Rock Valley Hay Auction for Thursday, Oct 19, 2017 Receipts: 46 loads Last Week: 54 loads Last Year: 61 loads Compared to last week: Light offerings today, as corn and soybean harvest is in full swing. Best demand was seen for grass hay. Prices dollars per ton, except where noted. All sales FOB Rock Valley, Iowa, vicinity. One load Small Squares equals approximately 5 tons; Large Squares and Large Rounds range from 10-25 tons per load. Alfalfa: Premium: Large Rounds, 14 loads 110.00-122.50. Good: Large Rounds, 3 loads 100.00-107.50. Grass: Premium: Large Squares, 2 loads 120.00-155.00; Large Rounds, 5 loads 117.50-130.00. Good: Large Rounds, 14 loads 87.50-107.50. Alfalfa/Grass Mix: Good: Large Rounds, 1 load 110.00. Oat Hay: Large Rounds, 2 loads 67.50-77.50. Straw: Large Squares, 1 load 117.50; Large Rounds, 1 load 102.50. Cornstalks: Large Rounds, 2 loads 40.00. Bean Stubble: Large Rounds, 1 load 50.00. 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, Sioux Falls, SD 605-372-8350 www.ams.usda.gov/mnreports/SF_GR310.txt http://www.ams.usda.gov/lpsmarketnewspage 1530C elg