The #1 risk period for new mastitis infections occurs when?

Which of the following is the most common isolate identified from swollen vesicular glands in a young bull?

You are presented with a 7-month-old Angus heifer with her head and neck extended. You also notice excessive salivation and severe abdominal distention of her left and right paralumbar fossa. You attempt to pass an esophageal tube but are unable to pass the tube farther than the thoracic inlet. The heifer is in severe respiratory distress, and you are concerned she may die. What is your likely diagnosis and what would be an appropriate therapy?

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 good 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?

Based on the characteristics seen in the aborted fetus above, which of the following can be ruled out?    

BVDV is closely related to which other two viruses? 

You are called to evaluate a dairy cow with profuse unilateral mucopurulent nasal discharge that has been going on for about 2 weeks.  The owner has given her a single injection of penicillin, and she thinks that after that the discharge decreased a bit, but after 2 or 3 days it was as bad as before treatment.  No other cattle in the group have any signs of respiratory disease.  Which is the most appropriate list of differential diagnoses for this case?

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

An 8-year-old, multiparous, Holstein cow presents to you for strands of tissue protruding from her vulva. The owner reports that the cow calved 3 days ago. Other than the tissue coming from her vulva, the owner states that the cow is otherwise acting normal, eating, drinking, good appetite. You examine the cow, her TPR is within normal limits, palpation reveals an involuting uterus. Which of the following is the most likely diagnosis for this cow and what would be the next be course of action?

Describe the posture of he calf in he image below ______________