The livestock disease situation points to increased concern about animal health and disease control. Here are some of the reasons. One of the problems may be to find and be able to supply the answers quickly enough.
Herrick, John B.
"Livestock Disease Outlook -- 1963,"
Iowa Farm Science: Vol. 17
, Article 9.
Available at: https://lib.dr.iastate.edu/farmscience/vol17/iss7/9