INVESSEL COMPOSTING OF POULTRY MORTALITY

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IN-VESSEL COMPOSTING OF POULTRY MORTALITY

• Don Cawthon
• Department of Agricultural Sciences

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WHY COMPOST

• Preserve environment
• Protect water quality
• Improve soil tilth
• Increase water holding capacity
• Increase organic matter
• Conserve landfill space
• Reduce odors
• Recycle nutrients

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Compost Ingredients

• Food
• Water
• Air

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Need to Create Optimum Conditions For

• Bacteria
• Fungi
• Other microbes

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Poultry Litter 25 Mortality
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Analysis as a Feed Ingredient
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Points to contemplate

• Composting is as much of an art as it is a
  science
• Assume that your first attempt at composting will
  not be successful
• Be prepared to learn the basic composting
  principles to ensure success
• Get satisfaction from doing the right thing (from
  an environmental perspective)

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Proper compost conditions

• C/N Ratio
• pH
• Moisture
• Oxygen
• Temperature

• 201 to 301
• 6.0 to 8.0
• 40 to 60
• gt5
• 131 to 160 oF

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What works with carcasses

• Use whole carcasses with
• annual cleanout litter (not pre-composted)
• Grind carcasses with
• annual cleanout litter
• sawdust
• gin trash
• Hay (?)
• ?
• ?

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What does not work

• Can not use whole carcasses with
• annual cleanout litter that has pre-composted
• cake-out that has pre-composted
• Can not grind carcasses with
• cake-out material
• ?
• ?

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INTERNET INFORMATION

• www.tamu-commerce.edu/
• coas/agscience/dlc.html