Want Fatter Cows? Bring In a Zebra – ScienceNOW
“”Natural selection has favored that mix,” says Johan du Toit, an ecologist at Utah State University in Logan. Natural selection, maybe, but n...
Tag: cattle
ScienceShot: Why Wallabies Don’t Pass Methane Gas – ScienceNOW
“When cows digest food, they produce methane, a potent greenhouse gas, but when kangaroos chow down, their digestive tract is relatively methane-free. The...