On April 1, cattle feeders in 28 major feeding states reported nearly 8.3 million head of cattle on grain feed. This was 1 percent more than a year earlier and was 13 percent more than on feed April 1, 1962.
Iowa Farm Science: Vol. 18
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol18/iss12/5