'vaccine for immunization of an animal and its method of manufacture, method of cultivation of lawsonia intracellularis, method for the diagnosis of proliferative enteropathy in pigs'

摘要

"lawsonia intracellularis of European origin and vaccines, diagnostic agents and methods of using it". the present invention relates to vaccines of 1. intracellularis, and methods of protection against and diagnosis of infection of l. intracellularis. the products and processes of the invention are achieved, in part, as a result of an improved large-scale culture method of 1. intracellularis, including a new l. intracellularis of European origin and a method of preparing a lyophilized product containing the attenuated European isolate as a vaccine product.