COW DUNG SMELLS

BY MONICA DOBIESCIENTISTS from the USA's Agricultural Research Service have found that altering a cows diet can make their dung smell sweeter. They discovered that feeding cattle high-moisture corn instead of the traditional dry-rolled corn significantly reduced the odours that can spark complaints from residential areas near livestock farms. The American team found that undigested starch produces many smell-causing compounds in manure; if more starch is digested, less starch can. And because starch from dry-rolled corn does not get digested as thoroughly as with ...


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