Resúmenes de trabajos extranjeros

Resumen

• Diagnosis of equine infectious anemia by inmuno-diffusion test
• The persistent of foot-and-mouth disease in virus in sheep
• Response of sheep to experimental infection with foot-and-mouth virus
• Persistence of velogenic viscerotropic newcastle disease virus
• A comparison of cattle tick control, by pasture spelling, planned dipping and tick-resistent cattle
• Serodiagnostic de l'anemie infectieuse des equides par precipitacion en gelose. l. Mise au point de la technique