The prevention of roundworms in pigs
Contributors: Hall, Maurice C. (Maurice Crowther), 1881-1938; Raffensperger, Hayes Benton, 1877-
Series: Leaflet / United States Department of Agriculture -- no. 5; Leaflet (United States. Dept. of Agriculture) -- no. 5.
Publisher: U. S. Govt. print. off.
Published: 1946
Place of publication: Washington
Language: eng
Subjects: Parasites; Nematodes; Helminths; Swine