Estimating Manure Density

Animal Manure Management February 14, 2011 Print Friendly and PDF
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Procedure for Estimating Manure Density

Manure density varies with moisture content primarily depending on the amount of bedding. To calculate a more accurate estimate of manure density, use the procedure below:

  1. Weigh an empty 5-gallon bucket. Record the weight in pounds.
  2. Fill the 5-gallon bucket with a typical sample of the manure and weigh the bucket and manure. Record the weight in pounds.
  3. Subtract the weight of the empty bucket (step 1) from the weight of the bucket with manure (step 2). Record the weight of the manure in pounds.
  4. Repeat steps 2 and 3 at least 5 times and calculate an average weight. Record the average weight in pounds.
  5. Divide the average weight by 5 to determine the density in pounds per gallon. OR
  6. Multiply the average weight by 1.5 to determine the density in pounds per cubic foot.

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.