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Author Archives: Anonymous

What would be the most effective way to eliminate BVDV from…

What would be the most effective way to eliminate BVDV from a cow/calf operation?

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You diagnose an 8-month-old cross bred feedlot steer with a…

You diagnose an 8-month-old cross bred feedlot steer with a rectal prolapse that weighs approximately 800 lbs. You decide to place a purse string suture after reducing the prolapse. What volume of lidocaine will you use for your caudal epidural?

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A 3 year old Polled Hereford cow is presented because the ow…

A 3 year old Polled Hereford cow is presented because the owner has noticed feed packing in the right side of her mouth and drooling. He also comments that this cow couldn’t walk in a straight line when he loaded her into his trailer. As you bring the cow into the examination area you notice that the cow only turns towards the right even if she has to turn in a complete circle. On physical examination you notice the right ear is drooping and non-responsive. The upper eyelid on the right side also appears to droop. On examination of the mouth you find no oral erosions or ulcers. There are three handfuls of hay packed in the right cheek but no sign of any tooth abnormalities. The tongue appears normal but is very easy to pull out of the mouth and when you release the cow’s head her tongue remains outside the mouth for several minutes. Based on the history and clinical signs the most likely primary differential diagnosis is:

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Which of the following is considered to be the classical cau…

Which of the following is considered to be the classical cause of blackleg in cattle:

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Alpha herpesviruses such as BHV-1 can become latent in senso…

Alpha herpesviruses such as BHV-1 can become latent in sensory ganglia of infected hosts. The clinical importance of this is that animals with latent herpesvirus:

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A 5-year-old Holstein cow that calved 10 days ago has been p…

A 5-year-old Holstein cow that calved 10 days ago has been producing 48 pounds of milk twice a day. Yesterday her milk production dropped to 38 pounds a milking and today it is only 30 pounds. The herd manager reported that the cow did eat but only picked at her feed. He also noticed her licking the bars along the feed bunk. On a physical examination her temperature was 102oF, heart rate 60 beats/min, respiratory rate 28 breaths/min. The cow has a good body condition score of 3.75/5 although the manager claims she has lost a lot of weight in the past three weeks. Rumen contractions are 1 per 2 minutes but are weak and rumen fill is reduced. No pings are heard on either side of the cow. A withers pinch/grunt test is negative. On rectal examination the uterus has involuted well, there are normal to slightly dry feces in the rectum, and no distended bowel is felt. The udder palpates normally and tests negative in all 4 quarters on a CMT test. Which of the following is the mostly likely preliminary diagnosis?

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Which is most likely to be helpful in preventing the occurre…

Which is most likely to be helpful in preventing the occurrence of frontal sinusitis in cattle?

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Ovulation typically precedes whelping by ___ days.

Ovulation typically precedes whelping by ___ days.

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You are presented with a 7 year old Jersey cow with a 3 week…

You are presented with a 7 year old Jersey cow with a 3 week history of diarrhea. The owner has also noted weight loss over the past couple of months. The cow appears to have a ravenous appetite, but has been declining in milk production as well. On your physical exam, the cow has a body condition score of 2/5, edema under her jaw and brisket, and watery diarrhea. The rest of your physical appears normal. What is the etiologic agent for this disease?

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You are presented with a 5 month old Nubian kid in July for…

You are presented with a 5 month old Nubian kid in July for weakness and lethargy. The kid is severely anemic and has evidence of some diarrhea. The most likely diagnosis is:

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