{TAIL ~ An immunogenically active component} useful for preventing or ameliorating equine protozoal myoencephalitis disease which comprises merozoite antibody inducing whole cells of a Sarcocystis neurona isolate designated {HEAD ~ SNg}, having ATCC Accession No PTA 2972 or a subculture thereof 
{ TAIL ~ An immunogenically active component } useful for preventing or ameliorating equine protozoal myoencephalitis disease which comprises merozoite antibody inducing whole cells of a Sarcocystis neurona isolate designated { HEAD ~ SNg } , having ATCC Accession No PTA 2972 or a subculture thereof
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH