KPIX CBS Weekend News October 31, 2021 00:45:00
But here at the this experimental farm run by scotland's rural college, they think they found a way to change that, because it turns out one cow is not like another. it surprised you when you look add one cow and you thought holy-- holy cow, this stomach content is a lot different than in this cow than it is in that cow. >> there is a huge variation in the stomach. >> reporter: it's all about the stomach-- well, stomachs. cows have four of them. >> we are putting in elsewhere. >> reporter: rainer roehe has been studying the digestive process in cows, and he's found that the microbes in their s...
Source: archive.org