WESTERN DUCK SICKNESS - A FORM OF BOTULISM

by E. R. Kalmbach. Dept. of Interior Bulletin #411, May, 1934. Dr. Edwin Kalmbach isolated the bacteria and discovered the reasons for the mass die-off of wild ducks in the west during the 1930s. It was a major breakthrough in wildfowl conservation and was a major factor in the formation of Ducks Unlimited. Dr. Kalmbach also designed the 1941-42 federal duck stamp featuring Ruddy Ducks. Softcover. Format: 6 x 9. 82 pp. Condition: Very good.


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