Animal manure, a byproduct as old as agriculture, has become an unlikely modern pollution problem, scientists and environmentalists say.

 

 

 

 


The country simply has more dung than it can handle: Crowded together at a new breed of megafarms, livestock produce three times as much waste as people, more than can be recycled as fertilizer for nearby fields. The excess manure is a problem in many ways. Besides the obvious olfactory intrusion, it’s the United States’ fastest-growing source of methane gas. It washes into streams and waterways and gives off air pollution that can sometimes form a disgusting brown fog that settles over the area. In recent decades, livestock raising has shifted to a smaller number of large farms. At these places, with thousands of hogs or hundreds of thousands of chickens, the old self-contained cycle of farming — manure feeds the crops, then the crops feed the animals — is overwhelmed by the large amount of waste

Change problems in solutions. In the Netherlands we have already long time experience in solutions of manure and environment problems. In recent decades, livestock raising has shifted to a smaller number of large farms.At these places, with thousands of hogs or hundreds of thousands of chickens, the old self-contained cycle of farming — manure feeds the crops, then the crops feed the animals — is overwhelmed by the large amount of waste.

The solution can start on the farm. In combination with the equipment it is possible to dry the manure.

 

Read more about the value of manure,
    "Manure A valuable resource"

See also video's about solutions

     Manure drying - a video of VDL Agrotech

     Manure drying - JPE video

 

 

©2015 Dutch Poultry Centre