USDA study finds dairy herds raised on pasture have environmental benefits
WILLMAR -- Computer simulation studies conducted by scientists from the U.S. Department of Agriculture would suggest that dairy cows raised year-round on pasture provide significantly greater environmental benefits than herds raised in high-production confinement operations.
Agricultural engineer Al Rotz from USDA's Agricultural Research Service led a team that evaluated how different management systems on a typical 250-acre Pennsylvania dairy farm would affect the environment.
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