Large scale livestock operations and lack of knowledge regarding optimum animal environment increase current disease pressures. Progress during 1964 and problems ahead for 1965 are identified for livestock producers.
Herrick, John B.
"Livestock Disease Outlook -- 1965,"
Iowa Farm Science: Vol. 19
, Article 8.
Available at: https://lib.dr.iastate.edu/farmscience/vol19/iss7/8