You are presented with a mid-lactation Holstein cow approximately 5 years in age. Her rectal temperature is 101.1°F, her heart rate is 100bpm, and respiratory rate is 35brpm. She has a ping in her right paralumbar fossa with a gas filled structure in her pelvic canal resembling the shape of a bread loaf. What is your diagnosis and what is your recommendation?
Read DetailsYou are called to a client’s farm to evaluate chronic respiratory disease. The farrow to finish farm breeds and gestates sows in outdoor dirt lots and then moves them into a modern confinement barn for farrowing and lactation. Once pigs are weaned, they are housed in a barn that has minimal environmental control, a dirt floor and deep bedding of corn stalks for manure management. You notice that clinical signs are most frequent in the growing pigs and evenly distributed between mild coughing and diarrhea. You elect to humanely euthanize an acute pig for necropsy evaluation. The lungs have no noticeable gross lesions but the liver has numerous bright white scars. What is the most likely cause of the clinical signs?
Read DetailsYou are asked to examine an aborted bovine fetus and associated fetal membranes from a cow in Wyoming. During your examination of the placenta you observe areas between the cotyledons which are thickened and cracked resembling a leather. You also notice a thick yellowish exudate in the same area. Which of the following is the most likely cause?
Read Details