Transgenic and cloned ungulates and particularly cloned cattle are disclosed, wherein such cattle contain a deletion or disruption of the prion gene locus and do not express functional prion protein, and are not susceptible to prion-related diseases such as bovine spongiform encephalopy or Mad Cow Disease.


< Cellulose Ester Compositions Having Low Bifringence and Films Made Therefrom

> Device and Method for the Control of Chemical Processes

> Chemical activation and refining of southern pine kraft fibers

~ 00575