TY  - BOOK
ED  - United States.
TI  - Swine production
T2  - U.S. Dept. of Agriculture. Farmers' bulletin
AV  - S21 .A6 rev. no. 2166, Apr. 1968
U1  - 636.4/08 
PY  - 1968///]
CY  - Washington
PB  - For sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Swine
ER  -