You are called out to investigate and abortion storm in a group of heifers in northern California. The owner reports that all those affected are from a group of bred heifers that he bought 3 months ago from Montana. He also reports that his biosecurity was recently compromised when several of his neighbor’s calves broke into his pasture about a month ago shortly after they were purchased from a local stockyard. The aborted fetus you examined has enlarged lymph nodes and petechial hemorrhage in their oral cavity. Which of the following would most likely yield a definitive diagnosis.

The images depict a uterine cytology exam and a transrectal ultrasound exam of the uterus of a mare which was artificially inseminated 36 hours prior to this exam. When using information gained from these images, what is your most likely diagnosis?  

Which of the following would be the most significant negative prognostic indicator for fertility in a 12 year old maiden mare who is being examined while she has been in estrus for 2-3 days?

A mare presents to you with  an enlarged ovary.  The ovary is very firm on palpation.  You surgically remove the affected ovary and it looks like the image below. Choose the most appropriate.      

Which of the following causes of equine abortion requires blood transfer for transmission?

What is the name of the instrument being used in the images and which condition is it used to treat most commonly in cattle?  

Sampling of which of the following is used to diagnose Trichomoniasis and Campylobacter infection?

You are presented with a 3 year old Jersey cow that is 14 days in milk. The owner reports a history of a bad dystocia and has been treating her for metritis. Her appetite and milk production have been progressively dropping over the last 2 days. On physical examination, you find a heart rate of 80 bpm, respiratory rate of 36 bpm, and a rectal temperature of 102.5°F. She had decreased rumen contractions, foul smelling, semi-mucoid uterine discharge, and a ping between her 10-13th ribs on her left side. What is your diagnosis?

The most appropriate treatment for cases of transmissible venereal tumors in dogs is ________

Wild/domestic canines are known to be associated with the introduction of ______________ into a herd of cattle which then have an 80% chance of transmitting the organism vertically to their fetus.