Application of Commercial and Backyard Poultry Geographic Information System Databases for the Identification of Risk Factors for Clinical Infectious Laryngotracheitis in a Cluster of Cases on the Delmarva Peninsula

Y. J. Johnson, M. M. Colby, N.L. Tablante, F.N. Hegngi, M. Salem, N. Gedamu and C. Pope

International Journal of Poultry Science 3 ( 3 ): 201 - 205 , 2004