Inmunogenicamente Active Antigen comprising Chemically inactive cells or Neospora hughesi Sarcocystis neurona.Or a merozoite Antigen or a mixture of these and tachyzoites Antigen; Vaccine comprising the active inmunogenicamente; method of propagation of these cells.

摘要

The present Invention provides an active Component comprising inmunogenicamente activated cells of Sarcocystis Neuron and / or Inactivated cells of Neospora hughesi,Derivatives of these Antigens, DNA derived from these, or a mixture, or a combinacionm with other components of the vaccine.It also provides,Vaccine compositions useful for preventing or improving the disease and infection of protozoal myeloencephalitis and a method for the Propagation of Cell Cultures of parasites prOtozoarios.