| factors associated with introduction of infectious laryngotracheitis virus on broiler farms during a localized outbreak. | we analyzed factors involved in the introduction of infectious laryngotracheitis (ilt) virus (iltv) onto broiler farms during a localized outbreak in an immunologically naive broiler population. the outbreak occurred in the state of mississippi, united states in 2002-2003. from the responses to a retrospective survey questionnaire administered via personal interviews, 181 farm-level risk factors were defined and analyzed for their association with iltv introduction using logistic regression. the ... | 2012 | 23050469 |