A six-year-old Coonhound mix is presented with a  two-week history of coughing, exercise intolerance and lethargy. He presents with labored breathing, tachycardia, ascites, hepatomegaly and crackles on lung auscultation. These are signs of right-heart failure. Heartworm antigen test is positive and the dog is stabilized in hospital. What is the best treatment going forward from here?

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In January you examine a group of dairy calves which range in age from 2 to 7 months, with a complaint of hair loss and pruritus. The calves are thin and mucous membranes are pale. One has developed bronchopneumonia, and is also febrile and depressed. You do a skin scraping and find the parasite shown in the image, which your technician identifies as Solenopotes sp. The CBC shows the calves …

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A trout fishery reports that many of the fish have gray-white, puffy growths on their fins, gills, and eyes. A direct smear from affected tissues shows the following findings (images below).

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A 10-year old German Shepherd presents to you with the complaint of licking the anal area and scooting. On examination, you find numerous ulcerated tracts in the perianal area that are draining purulent fluid. What is the diagnosis?

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An intact male whippet presents with an acute onset of swelling and pain in one of his testicles. Which one of the following tests is helpful to diagnose the cause of the swelling before surgery?

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A two-year-old spayed female Great Dane is presented with a two-week history of difficulty rising to a standing position after lying down. The dog keeps her head down when standing and tries to bite when her neck is manipulated. Her hindquarters sway as she walks into the exam room and she appears weak. On neurologic exam she knuckles, scuffs her toenails and crosses over frequently; worse in the hinds. Pain perception is intact in all four limbs. Where is the lesion likely to be?

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This is a corneal abscess secondary to infectious keratoconjunctivitis (pinkeye). What is the most commonly recognized organism that causes pinkeye in cows?

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A 2-year-old Quarter horse filly presents with a history of intense pruritis and alopecia in the perineal area (see image). The owners indicated that they noticed the filly rubbing her tail head and perineal area along fences for a period of one week. What diagnostic test will you use to confirm your top differential?

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A diet that is low in thiamine or high in sulfur can cause ____________ in sheep, goats and cattle.

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A 13-year-old male castrated Golden Retriever is presented with respiratory distress.  A lateral thoracic radiograph is obtained. What is the primary abnormality visible in the radiograph?

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