Recombinant proteins have been developed for the immunization of animals
against cryptosporidiosis. The proteins are effective for the immunization
of a variety of animals against Cryptosporidium parvum, particularly for
the production of hyperimmune colostrum that may be used to confer passive
immunity against the parasite. Isolated DNA sequences which encode these
proteins have also been developed. The DNA sequences may be inserted into
recombinant DNA molecules such as cloning vectors or expression vectors
for the transformation of cells and the production of the proteins.
