Controlling gapeworms in poultry ...
Wehr, Everett Elmer, 1895-
Controlling gapeworms in poultry ... - [Washington, U.S. Govt. Print. Off., 1941] - 1 p. l., 6 p. illus. 23 cm. - U.S. Dept. of Agriculture. Leaflet, no. 207 . - Leaflet (United States. Department of Agriculture) ; no. 207. .
"By Everett E. Wehr."--p. 1. Contribution from Bureau of Animal Industry.
agr41000018
Poultry--Parasites.
Syngamus trachealis.
SF995 / .W35
636.50896965 [619.5]
Controlling gapeworms in poultry ... - [Washington, U.S. Govt. Print. Off., 1941] - 1 p. l., 6 p. illus. 23 cm. - U.S. Dept. of Agriculture. Leaflet, no. 207 . - Leaflet (United States. Department of Agriculture) ; no. 207. .
"By Everett E. Wehr."--p. 1. Contribution from Bureau of Animal Industry.
agr41000018
Poultry--Parasites.
Syngamus trachealis.
SF995 / .W35
636.50896965 [619.5]