Method for the control of shipping fever pneumonia in cattle

摘要

There is provided a method for the control of shipping fever pneumonia in cattle, comprising administering to said cattle an immunizing amount of an infectious bovine rhinotracheitis virus vaccine and a potentiating amount of a potentiator therefor, selected from the group consisting of pharmaceutically acceptable salts of dl 6-phenyl-2,3, 5,6- tetrahydroimidazo 2,1-b!thiazole and pharmaceutically acceptable salts of 1(-)6-phenyl-2,3,5,6-tetrahydroimidazo 2,1-b!thiazole. This invention also relates to a method for reducing morbidity associated with shipping fever pneumonia in cattle by the parenteral treatment of said cattle with from 2 mg/kg to 8 mg/kg of animal body weight of a pharmaceutically acceptable salt of dl 6-phenyl-2,3,5,6-tetrahydroimidazo 2,1-b!thiazole or 1(-)6-phenyl-2,3,5,6-tetrahydroimidazo 2,1-b!thiazole and a prophylactically effective amount of infectious bovine rhinotracheitis virus vaccine.