Demonstration of an injection technique to anesthetize a cow for surgery at the Division of Veterinary Medicine in the College of Agriculture, University of Minnesota. The University provided ongoing training to Minnesota veterinarians in a series of "short courses" during the first half of the twentieth century. This photo was taken at a short course on surgery in 1931.
Steer with Johne's disease on the Charles Behr farm, Paynesville. The photo was probably meant to illustrate the test site in the shaved area on the steer's neck. A wattle and daub outbuilding is in the background. Notes on reverse of photo say: "tests made by Drs. [Clifford P.] Fitch and [Willard L.] Boyd" and: "Dunkin intradermal Johnin test." Fitch and Boyd were veterinarians in the School of Agriculture at the University of Minnesota. The Dunkin test was first publicized in 1928.
University of Minnesota veterinarian and students conduct a field visit at a Minnesota farm to examine a cow. One of the students holds a case for a TB innoculation and/or test.