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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 |
1,070,137,933 |
43,000,000 |
10,000,000,000 |
1,100,000,000 |
420,000,000 |
370,000,000 |
| 1992 |
1,121,313,704 |
43,000,000 |
10,000,000,000 |
1,100,000,000 |
450,000,000 |
360,000,000 |
| 1997 |
1,316,425,230 |
50,000,000 |
12,000,000,000 |
1,300,000,000 |
530,000,000 |
410,000,000 |
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