Visna/maedi virus serology in sheep: Survey, risk factors and implementation of a successful control programme in Aragón (Spain)
Marta Pérez, E. Biescas, X. de Andrés, I. Leginagoikoa, E. Salazar, E. Berriatua, Ramsés Reina, Rosa Bolea, Damián de Andrés, Ramón A. Juste, José L. Cáncer, Joaquín Gracia-Morán, B. Amorena, Juan José Badiola, Lluís Luján
Abstract