Layers '99
Subtitle: biosecurity, health/management, Salmonella enteritidis, prevalence & risk factors.
Contributors: United States. Animal and Plant Health Inspection Service. Veterinary Services. Centers for Epidemiology & Animal Health.; National Animal Health Monitoring System (U.S.)
Publisher: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services
Published: 1999
Place of publication: Fort Collins, CO
Language: eng
Subjects: Chickens -- Health -- United States.; Salmonella enteritidis -- United States.
Notes: Title from front panel.

"For more information, contact: Centers for Epidemiology & Animal Health, USDA:APHIS:VS, Attn. NAHMS."--P. [5].