Anaerobic Digestion Basics

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Questions and Answers

Which animal produces the most daily manure?

  • Horse – sedentary – 500 kg (correct)
  • Dairy – heifer – 440 kg
  • Beef - growing calf
  • Dairy - lactating cow

What is the moisture content of the manure from the dairy - lactating cow?

  • 87% (correct)
  • 83%
  • 85%
  • 88%

Which animal has the highest volatile solids content in its manure?

  • Dairy – heifer – 440 kg (correct)
  • Horse – sedentary – 500 kg
  • Dairy - lactating cow
  • Beef - growing calf

Which animal has the highest total solids content in its manure?

<p>Beef - growing calf (C)</p> Signup and view all the answers

Which animal produces the least daily manure?

<p>Layer (A)</p> Signup and view all the answers

Which animal has the highest daily manure production?

<p>Dairy - lactating cow (A)</p> Signup and view all the answers

What is the total solids content of the manure from the swine - lactating?

<p>7.5 kg (C)</p> Signup and view all the answers

What is the volatile solids content of the manure from the horse - sedentary?

<p>0.38 kg (C)</p> Signup and view all the answers

Which animal has the highest moisture content in its manure?

<p>Beef - growing calf (D)</p> Signup and view all the answers

What is the total manure production in liters per day from the layer?

<p>25 L/(d-a) (D)</p> Signup and view all the answers

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Study Notes

Manure Production and Characteristics

  • A dairy-lactating cow produces the most daily manure, with a moisture content of 87.5%.
  • Swine-lactating manure has a total solids content of 14.5%.
  • Horse-sedentary manure has a volatile solids content of 90.5%.
  • A layer produces the least daily manure.
  • An elephant has the highest daily manure production, with a total of 130-140 liters per day.
  • A dairy-lactating cow's manure has the highest total solids content, at 12.5%.
  • The manure from a swine-lactating has the highest volatile solids content, at 95.5%.
  • A dairy-lactating cow's manure has the highest moisture content, at 87.5%.

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