RENBP and abortion: For pestiviruses, a total of 697 samples of 697 animals were tested by BVDV Ag ELISA, and 52 samples/abortion cases were found to be positive (7.46%, 95% CI 5.62 to 9.67%; 17/171 [9.88%] in 2015, 16/187 [8.56%] in 2016, 8/155 [5.16%] in 2017, 8/144 in 2018 [5.56%], and 3/40 [7.50%] in 2019).