Last year saw some definite progress in overcoming livestock disease problems in Iowa, though there are still weak points and room for improvement. Here are some of the things to think about and to watch for during 1959.
Herrick, John B.
"Livestock Disease Outlook -- 1959,"
Iowa Farm Science: Vol. 13
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol13/iss7/3