The prevention of roundworms in pigs
By: B.H. Ransom
Edition: Rev. March 1935.
Series: Leaflet / U.S. Dept. of Agriculture -- no. 5; Leaflet (United States. Dept. of Agriculture) -- no. 5.
Publisher: U.S. Dept. of Agriculture
Published: 1927
Place of publication: Washington, D.C
Language: eng
Subjects: Control; Nematodes
Notes: Caption title.

"Issued May, 1927."