A lot of people might know this but beer has great nutritional value, and can be a source of recycled energy. In recent beer recycling projects have focused on the beer-to-energy angle, or transforming beer-to-fuel four you auto. Researchers are now taking a new angle in beer recycling; Green King Brewery of Suffolk, UK, is planning to build a beer recovery plant. The brewery plans to take back keg dregs, and expired beer so that the benefits of yeast and the fresh ingredients can be given back to the local farms – in the form of cow-feed flavorizer. 
Yummmooooo.
Photo Credit: ::law_keven via flickr
Farmers love it and although the waste is still alcoholic it doesn’t seem to do the animals any harm, although we have noticed rather a lot of happy cows around East Anglia - says Brewery spokesperson Frances Brace
Old beer and the precipitate (especially rich in yeast) are usually thrown down the drain, where in some countries can be a burden on water treatment facilities in addition wasting valuable nutrients in beer which in not bad after all, it is merely not fresh enough for particular humans.
My Open Thread
One thing that struck me, the article says nothing about removing the alcohol content from the beer before feeding it to the cows. In 25 years research will probably show that cows developed beer bellies from all that beer. Oh, and yes, it will lead to happy children drinking their Happy Milk – from Happy Cows. Kinda makes you wonder - what happens to all the expired beer in the Caribbean? Is it recycled? There a chance its fed to chickens…lately I’ve come across quite few Happy Chickens. 
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