RECIENTE INCREMENTO DE·LA ENFERMEDAD DE MAREK EN COSTA RICA
II.Comunicaciones
Keywords:
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.
References
Biggs, P.M. Marek's Disease and Avian Leukosis. Excerpta Medica. lnternational Congress. Series 350. 2 :166-75 (1974).
Eidson, C.S., Page, R.K. and Kleven, S.H. Effectiveness of cell-free or cell-associated turkey herpesvirus vaccine against Marek's disease in ch ickens as influenced by maternal antibody, vaccine dose, and time of exposure to Marek's d isease virus. Av. Dis. 22, (4) 583-97. (1978) .
Hofstad, M.S., Calnek, B.W., Hemboldt, C.F., Reíd, W.M. and Yoder, H.W., Diseases of Poultry. lowa State University Press. Cap. 15:383-418. (1978).
Salomon, J.J. and Witter, R.L. Absence of Marek's disease in chickens hatched forum eggs containing blood or meat spots Av. Dis. 17:141-44. (1973).
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