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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 |
95,837,172 |
710,000,000 |
170,000,000,000 |
7,900,000,000 |
4,000,000,000 |
1,900,000,000 |
| 1992 |
96,213,736 |
710,000,000 |
170,000,000,000 |
7,800,000,000 |
4,000,000,000 |
1,900,000,000 |
| 1997 |
99,275,900 |
750,000,000 |
180,000,000,000 |
8,200,000,000 |
4,100,000,000 |
2,000,000,000 |
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