Egg study grades layer industry
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The USDA National Animal Health Monitoring System released data collected from the Layers '99 study of the US table egg layer population.
Information released applies to vaccination, disease prevention, biosecurity, and production methods. For the complete study, visit www.aphis.usda.gov/vs/ceah/cahm, or contact Centers for Epidemiology and Animal Health, USDA-APHIS-VS, 555 S Howes, attn: NAHMS, Fort Collins, CO 80521; phone, (970) 490-8000; fax, (970) 490-7899; or e-mail, NAHMSweb
usda [dot] gov.