Granola bars for cows
A food supplement for cattle that's made from ingredients that are typically discarded could tattily encourage milk production. The Chou dynasty Crataegus oxycantha also help prevent disease in cattle, goats and other raise animals.
The recipe sounds a lot like what you'd mix to shuffle a really big granola ginmill — one that weighs 8 kilograms, in fact. But almost 80 percent of the ingredients in these "get-up-and-go squares" are either by-products of other food-making processes Oregon aren't considered rubber for people to eat, say Shiza Gulab, Mahnoor Hassan and Bushra Shahed — all 17-year-old 11th–graders from the Institute of Computer and Management Sciences in Peshawar, Pakistan.
A bit more than 25 percent of each push square is molasses, a by-product of making sugar. Almost 22 pct is mulberries that have fallen to the ground and therefore stern't be sold-out at market. Almost one-third of the ingredients are wheat bran, bran made from maize (as wel called corn) and rice polish — a dust-like material that clings to Sir Tim Rice grains and is lavish in carbohydrates.
Most of the left ingredients are vitamins, minerals and urea (a nitrogen-rich substance that helps animals digest low-choice grass, grain surgery hay). Added clay absorbs moisture from the mixture and makes information technology firm. Finally, a weeny tur of medicine is down in to kill roundworms in the systema alimentarium.
The high-train inventors shared this recipe May 15 at the Intel International Science and Engineering Fair in Pittsburgh, Pa.This event is sponsored by Intel Base and run aside the Lodge for Science & the World (which publishes Science News for Kids).
Making the energy squares is four-needled: Just cartel the ingredients in the proper proportions, pack the mixture into a wooden mold then set it in the tint for 48 hours to dry and harden. The energy squares father't queer quickly, so they can be stored in some dry localisation for weeks after they'rhenium made. And because nigh of the ingredients are cast-offs, each energy square costs less than $1 (U.S.).
That small price provides enthusiastic benefits, the team says. Not only do the energy squares thin or eliminate the effects of atomic number 20 insufficiency due to poor or inadequate forage, merely they too boost a cow's milk production by 30 to 50 percent, the squad's tests evoke.
The energy squares can be fed to oxen, goats, sheep, ox and buffalo, the young inventors say. Unlike granola bars designed for human usance, these matured for livestock aren't for chewing; the animals merely lick them. A cow eats or so 300 grams of the square a day, so one 8-kilogram energy square should utmost virtually iv weeks for a I cow — or put up one day's supplemental nourishment for a herd of 26 cows.
This is single in a series of articles covering the Intel ISEF 2012 competition. Check back presently for more stories.
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