European biologists have discovered a bacteria-killing compound in common mushrooms that grow in ... post-doc Andreas Essig, horse manure's rich substrate is key. "Horse dung is a very rich ...

Now scientists in Switzerland believe they have found one solution to the problem in an unlikely place: the gray shag mushroom that grows on horse dung. The substance, known as copsin, has the ...

Mushroom compost is usually produced from a combination of straw, horse manure, gypsum and inorganic nitrogen. A site visit found the compost production area was three miles from the mushroom ...