PASSIVE HETEROLOGOUS IMMUNIZATION COMPOSITION CONTAINING A PROTEIN ANTIBODY DERIVED FROM DOMESTICATED FOWL OR BOVIDS

摘要

A method of passively immunizing a mammal against a condition caused by an antigen comprising: administering to the mammal immunizing amounts of an antibody obtained from a domesticated bovid which has been immunized against the antigen; the mammal being tolerant to the antibody by virtue of having a history of consumption of antibody-containing material derived from the milk of a bovid.