The energy is derived from methane gas produced by the manure of the 800-plus dairy cows that inhabit Haubenschild Farms located near Princeton. Richard Huelskamp, a scientist with the University’s ...

Dairy cattle produce the most manure of any livestock, and finding efficient ways to dispose of that manure can be challenging.

Brett Reinford, who transported the half-ton of butter to his dairy farm in Mifflintown, said the butter will produce enough energy to power one home for three days. With cow manure and food waste ...

Four Sikh men from Punjab have drowned in a slurry tank on a dairy farm near Pavia in northern Italy. Investigators suspect that the four were overcome by carbon dioxide fumes from the cow manure.