TY  - BOOK
AU  - Wehr,Everett Elmer
TI  - Controlling gapeworms in poultry ..
T2  - U.S. Dept. of Agriculture. Leaflet,
AV  - SF995 .W35
U1  - 636.50896965[619.5] 
PY  - 1941///]
CY  - [Washington
PB  - U.S. Govt. Print. Off.
KW  - Poultry
KW  - Parasites
KW  - Syngamus trachealis
N1  - "By Everett E. Wehr."--p. 1; Contribution from Bureau of Animal Industry
ER  -