A procedure to prepare a vaccine against porcine anger (Machine-translation by Google Translate, not legally binding)

摘要

A method of preparing a vaccine to immunize pigs against porcine cholera, characterized by attenuating porcine cholera virus by means of a serial animal transfer, separating virus attenuating it, concentrating the attenuated virus by injection in the pig and once the elevation has been obtained of temperature pick up those parts of the pig containing the attenuated virus in relatively concentrated form. (Machine-translation by Google Translate, not legally binding)