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Article: Swine influenza virus evolving; management may affect control.(Nutrition And Health/Swine)
- Article from:
- Feedstuffs
- Article date:
- January 26, 2004
- Author:
CopyrightCOPYRIGHT 2004 Miller Publishing Company, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Swine influenza virus has evolved from a seasonal disease caused by a stable genotype to a year-round endemic respiratory disease caused by multiple genotypes undergoing continuous change, according to a presentation at the 2003 Allen D. Leman Swine Conference.
Within the U.S. swine population, three subtypes of group A influenza--H3N2, H1N1 and H1N2--are circulating, said Kurt Rossow of the Minnesota Veterinary Diagnostic Laboratory, and within the subtypes are different genotypes causing unexpected results.
Rossow with Marie Gramer of the Minnesota Veterinary Diagnostic Laboratory and Richard Webby with the St. Jude Children's Research Hospital ...