Unless otherwise authorized by the board, all of the following criteria must be met for the disposal of animal carcasses by the composting process:
carcasses must be covered with litter at all times;
the ratio of carbon to nitrogen in each compost pile must be between 15:1 and 35:1;
each pile must be turned completely at least once every 21 days to add essential oxygen to the composting material;
the composting material must be kept moist to ensure proper bacterial growth; and
the compost pile temperature must reach a minimum of 130 degrees Fahrenheit during each of two heating cycles during the composting process.
Flies, rodents, and other vermin must be controlled around composting facilities.
The finished product resulting from the composting of animal carcasses must not contain visible pieces of soft tissue.
The board may inspect composting facilities to determine if the composting process meets all of the requirements of this part.
MS s 35.03
April 4, 2013
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