• Vaccinating a pig 

        Author(s):Colorado Agricultural College
        Date:undated
        A man in a white coverall holds a pig upside down by its hind legs while a second man in a white coverall and a cap vaccinates the pig; a third man in a suit coat and slacks stands at the right taking notes.
      • Vaccinating a pig 

        Author(s):Colorado Agricultural College
        Date:undated
        A man in a suit takes notes as 2 men in white coveralls vaccinate a young pig; 1 man holds the piglet upside down by the hind legs while the 2nd administers the vaccine; wood fences and farm buildings are in the background.