Documents DMSCO Log Book Vol.23 1945

L Entered as second class matter, February 3rd, 1923, at the post office at Des Moines, Iowa, under the act of August 24th, 1912. SEAR ---- THE Accepted for mailing at special…

Documents Newcastle Disease

Newcastle Disease BY K. F. WELLS* N A DISCUSSION of any disease and its probable significance to the agricultural economy of the country, the history of the disease is im-