Internal parasites of swine.
Internal parasites of swine.
- Rev.
- Washington, 1959.
- ii, 42 p. illus. 23 cm.
- United States. Department of Agriculture. Farmers' bulletin no. 1787. .
agr59000115
Swine--Parasites.
Helminths.
S21 / .A6 rev. 1787, Apr. 1959
agr59000115
Swine--Parasites.
Helminths.
S21 / .A6 rev. 1787, Apr. 1959