PASSIVE IMMUNIZATION FOR MAMMALS USING BIRD OR OX ANTIBODY AND COMPOSITION THEREFOR

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.