![14389](https://img.feedandgrain.com/files/base/wattglobalmedia/all/image/2015/04/an.14389.jpg?auto=format%2Ccompress&q=70&w=400)
Vectormune FP-LT from Ceva Animal Health is a genetically engineered, live fowl poxvirus vaccine that has been genetically modified to to express key protective laryngotracheitis (LT) virus antigens. A freeze-dried preparation, the Vectormune FP-LT is recommended for wing web application to healthy, susceptible chickens eight weeks of age or older, but at least four weeks prior to the onset of egg production.