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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 |
1,228,604,128 |
860,000,000 |
210,000,000,000 |
10,000,000,000 |
5,300,000,000 |
2,700,000,000 |
| 1992 |
1,284,534,168 |
860,000,000 |
210,000,000,000 |
10,000,000,000 |
5,500,000,000 |
2,700,000,000 |
| 1997 |
1,480,739,795 |
910,000,000 |
220,000,000,000 |
11,000,000,000 |
5,700,000,000 |
2,900,000,000 |
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