RECIENTE INCREMENTO DE LA ENFERMEDAD DE MAREK EN COSTA RICA
Keywords:
incremento, ENFERMEDAD DE MAREKAbstract
La Cátedra de Patología Aviar diagnosticó diez casos de enfermedad de Marek durante el segundo semestre de 1978. y veinte casos en el primer semestre de 1979. Este incremento se atribuye a: fallas en el manejo de la vacuna; supervivencia del virus en las granjas y a una probable neutralización de la inmunización activa por anticuerpos maternos homólogos.
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