de Sousa, V. E.; Bezerra, D. C.; Chaves, N. P.; Santos, H. P.; Pereira, H. de M. Frequency of Antibodies Against Bovine Viral Diarrhea Virus (BVDV) and Bovine Herpesvirus 1 (BoHV-1) in Female Dairy Cattle Production System in Semi-Intensive. Braz. J. Vet. Med. 2013, 35, 21-25.