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Coccidiosis vaccine

Image Number 4 for United States Patent #5677438.

The invention is concerned with a protein having the immunological properties of Eimeria tenella which is reactive with a monoclonal antibody E. TEN 11P-2 raised against E. tenella sporozoites.The invention also relates to polypeptide fragments of this protein which can be used for immunization against E. tenella. These proteins and polypeptides can be prepared by isolation from E. tenella, by chemical synthesis or by recombinant DNA methods using the polynucleotides described herein or related sequences.

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