Скачать презентацию Round Bale Hay Storage Costs Brian J Holmes Скачать презентацию Round Bale Hay Storage Costs Brian J Holmes

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Round Bale Hay Storage Costs Brian J. Holmes Professor and Extension Specialist University of Round Bale Hay Storage Costs Brian J. Holmes Professor and Extension Specialist University of Wisconsin- Madison

What hay storage system should I select? Answer depends on: 1. How long will What hay storage system should I select? Answer depends on: 1. How long will storage be used? 1 year, 5 years, 10 years, 15 years, 20 years

What hay storage system should I select? Answer depends on: 2. What is hay What hay storage system should I select? Answer depends on: 2. What is hay worth? If you had hay to sell today, what could you get for it?

What hay storage system should I select? Answer depends on: 2. What is hay What hay storage system should I select? Answer depends on: 2. What is hay worth? If you had to buy hay today, what would you give for it?

What hay storage system should I select? Answer depends on: 2. What is hay What hay storage system should I select? Answer depends on: 2. What is hay worth? Grass hay Alfalfa hay Buying on quality (cows, horses etc. ) Feeding beef cows Feeding dairy cows Type and Size of Package

Average Prices Paid Numerous Midwest Locations (Jan 9, 2004) Bale Type www. uwex. edu/ces/forage/pubs/hay_market_report. Average Prices Paid Numerous Midwest Locations (Jan 9, 2004) Bale Type www. uwex. edu/ces/forage/pubs/hay_market_report. htm

What hay storage system should I select? Answer depends on: 3. How long will What hay storage system should I select? Answer depends on: 3. How long will hay be stored each year and in what seasons? DM loss depends on moisture, temperature & time

Round Bale Hay Dry Matter Loss Storage Method Storage Period Up to 9 Months* Round Bale Hay Dry Matter Loss Storage Method Storage Period Up to 9 Months* 12 -18 Months === Dry Matter Loss (%) === Exposed Ground Elevated Covered Ground Elevated Under Roof Enclosed Barn 5 -20 3 -15 15 -50 12 -35 5 -10 2 - 4 10 -15 5 -10 2 -5 3 -10 <2 2– 5 * If used by spring warm up Huhnke

Hay Dry Matter Losses Source of Loss Additional Cumulative Loss (%) -------------------------------Respiration/ 2 -10* Hay Dry Matter Losses Source of Loss Additional Cumulative Loss (%) -------------------------------Respiration/ 2 -10* Heating Direct Precipitation 1 -25* 3 -35* Ground 2 -15* 5 -50* Wicking ------------------------------- • Highest values for 12 -18 months storage Huhnke

Dry Matter Loss vs Months of Storage Dry Matter Loss (%) 40 35 30 Dry Matter Loss vs Months of Storage Dry Matter Loss (%) 40 35 30 25 Rate of DM Loss Moist Climates-Outside (1. 0 - 3. 0 % / mo) 0. 5 % /mo 1. 0 % /mo 20 1. 5 % /mo 15 2. 0 % /mo 10 3. 0 % /mo Dry Climates or Inside (0. 5 -1. 5 % / mo) 5 0 0 2 4 6 8 10 12 Months of Storage Fahey et al

Factors Affecting Dry Matter Loss Rate Bale: Type Size Density Initial Moisture Forage Species Factors Affecting Dry Matter Loss Rate Bale: Type Size Density Initial Moisture Forage Species

Factors Affecting Dry Matter Loss Rate Weather: Precipitation Relative Humidity Temperature Sunshine vs Shade Factors Affecting Dry Matter Loss Rate Weather: Precipitation Relative Humidity Temperature Sunshine vs Shade

Factors Affecting Dry Matter Loss Rate Protection from Moisture: Roof Plastic Wrap/Sleeves Net Wrap Factors Affecting Dry Matter Loss Rate Protection from Moisture: Roof Plastic Wrap/Sleeves Net Wrap vs Twine Tarp Separation from Soil/Ground

Factors Affecting Dry Matter Loss Rate Separation from Ground: Plastic Wrap Large Crushed Stone Factors Affecting Dry Matter Loss Rate Separation from Ground: Plastic Wrap Large Crushed Stone Ties/Poles Pallets Tires Other? ?

Percentage of Bale Volume Affected by Weathering Round Bale Dimensions Diameter (ft) Length (ft) Percentage of Bale Volume Affected by Weathering Round Bale Dimensions Diameter (ft) Length (ft) Depth of Weathered Layer (inches) 2 4 6 8 % of Bale Volume Weathered 4 4 16 31 44 56 5 4 13 25 36 46 6 5 11 21 31 40 Collins et al

Value of Hay Dry Matter Lost in Storage Loss (%) 5 10 15 20 Value of Hay Dry Matter Lost in Storage Loss (%) 5 10 15 20 25 30 35 40 45 Hay Price ($/T of Hay @16% Moisture) 40 60 80 100 120 ===== Value Lost ($/Ton Hay)======= 2 4 6 8 10 12 14 16 18 3 6 9 12 15 18 21 24 27 4 8 12 16 20 24 28 32 36 5 10 15 20 25 30 35 40 45 6 12 18 24 30 36 42 48 54 Huhnke

Precipitation Hay bales should be covered to reduce the nutrients leaching back into the Precipitation Hay bales should be covered to reduce the nutrients leaching back into the soil. Shade Ground Wicking

Precipitation? Shade Ground Wicking Precipitation? Shade Ground Wicking

What hay storage system should I select? Answer depends on: 4. What are the What hay storage system should I select? Answer depends on: 4. What are the economics of alternatives? (Capital vs Annual Costs)

Round Bale Storage Cost Analysis Results Based on Assumptions that Follow See URL for Round Bale Storage Cost Analysis Results Based on Assumptions that Follow See URL for spreadsheet to do your analysis http: // WWW. UWEX. EDU/CES/CROPS/HARVEST. HTM

Assumptions Used in Analysis Location: Humid Climate Storage Time (months) Storage Type 6 12 Assumptions Used in Analysis Location: Humid Climate Storage Time (months) Storage Type 6 12 Dry Matter Loss (%) Outside on Ground Outside w Crushed Rock Pad Outside - Pad & Pallets Outside - Pad & Tarp Outside - Pad, Pallets & Tarp Inside Building 9. 5 8 7. 5 4 3 2 13 10 8. 5 5 4 2

1, 200 sq ft 30 x 40 3, 600 sq ft 40 x 90 1, 200 sq ft 30 x 40 3, 600 sq ft 40 x 90

Assumptions Used in Analysis Bale: Length = 5 ft Diameter = 5 ft Weight Assumptions Used in Analysis Bale: Length = 5 ft Diameter = 5 ft Weight = 1200 lbs/bale Number = 378 Total Weight = 227 T Building: Length = 90 ft Width = 40 ft Height = 16 ft Cost = $6. 00 / sq ft Floor =$0. 30 / sq ft Total Cost = $22, 680

Assumptions Used in Analysis Macadam Storage Pad Height = 3 Bales (Pyramid) Width = Assumptions Used in Analysis Macadam Storage Pad Height = 3 Bales (Pyramid) Width = 15 ft Length = 315 ft Unit Cost = $0. 40 / sq ft Labor Rate = $10 / hr Tarp Unit Cost = $0. 06 / sq ft Pallet unit Cost = $0. 26 / sq ft Pallet Tractor Rate = $23 / hr

Conclusions Based on Assumptions 1. Storage decisions affect costs significantly Do your own cost Conclusions Based on Assumptions 1. Storage decisions affect costs significantly Do your own cost analysis 2. For 6 month storage: Consider Rock Pad or Pad & Tarp at $40/Ton to insure against wet year Use Rock Pad & Tarp at > $50/Ton Don’t Use Building, Pads w Pallets or Pads w Pallet & Tarp 3. For 12 Month Storage: Use Rock Pad & Tarp Don’t Use Other Alternatives

Questions? Questions?