1994 Volume 47 Issue 10 Pages 737-740
A dairy Holstein cow showed copious vaginal dischage, swelling of the udder, edema of the vulva and decrease of milk production at 221 days of gestation, and abortion occurred 7 days later. At necropsy, extensive hemorrhage and localized edema were seen in the fetal placenta, and muddy yellowish green mucous fluid was present in the fetal abomasum. Histopathologically, there were hemorrhagic and necrotic lesions in the placenta with Grampositive cocci within epitheals as well as caterrhal inflammation in the fetal small intestine and abomasum.Streptococcus suistype 15 was isolated from the placenta, fetal small intestine and abomasum, and vaginal swab of the dam.
