<prompt> Translate the following text to EnglishMike Doyle, mwanasayansi wa afya wa Chuo Kikuu cha Georgia, aliomba hati miliki ya aina fulani ya E. coli ambayo inaweza kuua aina hiyo ya bakteria ikiwa imepitishwa kwa ngombe.  <response>: In August, Mike Doyle of the University of Georgia applied for a patent on some nonvirulent strains of E. coli that wipe out the nasty version when fed to cattle. 