A pregnant non-descript bovine heifer with unknown breeding history was presented to Large Animal Obstetrical Unit, Madras Veterinary College Teaching Hospital, Chennai with a history of intermittent straining and serosanguinous discharge. Based on gynaeco-clinical examination, the case was diagnosed as spontaneous abortion of unknown origin. A greyish black dead fetus was delivered through pervaginum by manual traction. The aborted fetus was tightly covered by a dry thickened placental membrane and was around 8.5 months gestation based on CRL. Animal had an uneventful recovery after treatment with antibiotic, antihistamine, anti-inflammatory drugs for 5 days.