SECONDARY 1
Going Against the Grain
In their short lives, commercially raised chickens eat a lot of phosphorous, a nutrient that helps their muscles and bones grow. They also produce a lot of manure. Putting two and together, that means manure contains a lot of phosphorous. Chicken manure is often used as fertilizer, and phosphorous-containing runoff from fields can pollute streams and ponds and the water supply. This is a problem in areas with large commercial chicken operations. Now scientists at the University of Delaware, working with the United 14
ST. GABRIEL’S COLLEGE
