Livestock grazing harming giant panda habitat

Increased livestock grazing in China's Wanglang National Nature Preserve has damaged one third of all giant panda habitat in the park, a new study by Chinese and U.S. scientists finds.

Sorghum: Health food, sweetener and now, clothing dye

Sorghum has long been a staple food in many parts of the world, but in the U.S., it's best known as a sweetener and livestock feed. As demand for the grain soars, so does the amount of waste husks. To reduce this waste, scientists ...

Tracing the toxic legacy of PBB contamination

In 1973, bags of a fire-retardant chemical called PBB, polybrominated biphenyl, were accidently mixed into livestock feed and sold to farmers throughout the state of Michigan.

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