Real-Time PCR Differential Detection of and in Cases of Potomac Horse Fever.

Potomac horse fever (PHF) is an acute and potentially fatal enterotyphlocolitis of horses with clinical signs that include anorexia, fever, diarrhea, and laminitis. Its incidence is increasing despite a commercially available vaccine. PHF is caused by Neorickettsia risticii, and the recently rediscovered and classified .

A case of hypercalcemia in a heifer presumably due to mammary carcinoma bovine hypercalcemia of malignancy.

Mammary carcinoma is rare in cattle with only a handful of cases found in the literature, and none have reported an associated hypercalcemia. An 8-year-old Holstein-Friesian heifer was presented to the Purdue University Veterinary Teaching Hospital's Large Animal Hospital with a 3-month history of lethargy. Laboratory abnormalities included ionized hypercalcemia and hypophosphatemia (2.

Disseminated Rhodococcus equi in an Anglo-Nubian goat.

Disseminated Rhodococcus equi infection was diagnosed in an Anglo-Nubian goat presenting for non-weight bearing lameness of the right pelvic limb. Radiographs showed a moth-eaten osteolytic lesion in the proximal tibia suggestive of an aggressive bone lesion. Two pulmonary nodules were also present on thoracic radiographs.