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High Prevalence of <i>Prototheca bovis</i> Infection in Dairy Cattle with Chronic Mastitis in Ecuador by María P. Huilca-Ibarra, David Vasco-Julio, Yanua Ledesma, Salome Guerrero-Freire, Jeannete Zurita, Pablo Castillejo, Francisco Barceló Blasco, Lisseth Yanez, Darwin Changoluisa, Gustavo Echeverría, Carlos Bastidas-Caldes, Jacobus H. de Waard

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