Neurotoxin of escherichia coli and vaccine against the disease of the piglets containing edema

摘要

P neurotoxin of escherichia coli with a means of a continuation 100000daltons and obtained from the supernatant exploded of a culture of cells of escherichia coli a serotype able to cause the disease of the piglets edema. / p & & p & the invention also relates to a vaccine against the disease of the piglets edema containing the toxin / p