or [II.4.8. were kept during a bluetongue virus seasonally free period in a seasonally free zone for at least 60 days prior to, and during collection of the semen;]
o [II.4.8. han permanecido en una zona estacionalmente libre del virus de la fiebre catarral ovina como mínimo 60 días antes de la recogida del esperma y durante la misma;]