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Trends in Animal Waste Levels
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View Trends for
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| Year |
Number of Head |
Amount of Waste
(tons) |
Volume of Waste
(gallons) |
Amount of Nitrogen in
Waste (pounds) |
Nitrogen lost to
Atmosphere (pounds) |
Amount of Phosphorus
in Waste (pounds) |
| 1987 |
10,852,244 |
4,300,000 |
1,000,000,000 |
92,000,000 |
66,000,000 |
19,000,000 |
| 1992 |
10,515,303 |
4,200,000 |
1,000,000,000 |
89,000,000 |
64,000,000 |
18,000,000 |
| 1997 |
7,588,377 |
3,000,000 |
730,000,000 |
64,000,000 |
46,000,000 |
13,000,000 |
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