What is the purpose of placing a permanent rumen fistula in some cattle?

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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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Tommy, a 4-year old male neutered domestic short hair, presents to you for frequent urination. Urinalysis reveals 4+ struvite crystals. An abdominal radiograph shows a 1 cm round calculus in the bladder. Tommy does not have a urethral blockage, and urine culture is negative. The owner says surgery to remove this stone is not an option due to finances. Which of the following would be the most important treatment for Tommy

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A group of 2 1/2-month-old feeder pigs are presented with non-pruritic keratinized skin lesions and mild lethargy. One severely affected animal is depressed and anorexic.

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A skin scrape from a cow with pruritus and crusts around the caudal thighs and perineum shows the organism below. What is the presumptive diagnosis?

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A cow is presented with pruritus and crusts around the face, as shown in image one.

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A three-year-old male neutered Labrador retriever from the Ohio river valley basin is presented with chronic large bowel diarrhea and signs of respiratory disease (cough, fever). A lymph node smear shows round to ovoid (1-4 micrometers) encapsulated structures inside macrophages and giant cells. The organisms have thin cell walls, with thin clear zone between cell wall and cytoplasm.

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A 4-year old male Thoroughbred horse presents to you for colic. During your work up, you note a painful enlargement at the root of the mesentery on rectal palpation. You suspect that the cause of the horse's colic are adults from the egg shown in the picture below. Which of the following drugs effectively kills the adult organisms that can cause this condition?

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