Outbreaks of abortions and lambs born with nervous clinical signs and/or congenital malformations affected different sheep farms in Spain. Initial diagnosis of 'border disease-like' was established, based on clinical signs, serology and/or RNA detection by a pan-pestivirus RT-PCR. However, further investigation using immunohistochemical and molecular techniques identified BVDV-2b as the aetiological agent.
Keywords: BVDV-2; abortion; antigenic typing; bovine viral diarrhoea virus; sheep.
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