The turkey an important factor in the spread of gapeworms Ransom, Brayton Howard, 1879-1925 creator text book Washington, D.C U.S. Dept. of Agriculture 1921 1921
print
ENG Caption title. "April 23, 1921." Animals as carriers of disease Chickens Diseases Parasites Turkeys Bulletin of the U.S. Department of Agriculture, no. 939 https://www.biodiversitylibrary.org/bibliography/108092 16653645890505 10.5962/bhl.title.108092 RQF