We have now been waiting nearly 20 years and have still not seen these gigantic cows. Making a predictable and beneficial alteration in the phenotype of an animal by randomly inserting a single ...

The modified microorganisms will then be tested ... The ultimate goal is a single-dose treatment administered early in life, since most cattle graze freely and can't receive daily supplements.

A single cow will burp roughly 220 pounds (100kg ... Scientists hope to achieve similar results by introducing genetically modified microbes that soak up hydrogen, starving methane-producing ...