Trematodes on U.S. catfish operations
By: APHIS Veterinary Services, Centers for Epidemiology and Animal Health.
Contributors: United States. Animal and Plant Health Inspection Service. Veterinary Services. Centers for Epidemiology and Animal Health.
Series: APHIS Veterinary Services info sheet
Publisher: USDA, APHIS, VS, CEAH
Published: 2003
Place of publication: Fort Collins, CO
Language: eng
Subjects: Catfishes -- Diseases -- United States.; Trematoda -- United States.
Notes: Caption title.

"November 2003."

Also available via the Internet.