10 Food Animal Production Medicine and Surgery V

We know it is less than 8%. Likely around 5%

BASED ON 5% = do oral fluids, 40 kg x 0.05 = 2 L

A client brings a calf to the clinic for loose stool. The 5 day old calf has a skin tent of 4 seconds, moist mucous membranes, and the eyeballs are not sunken. Based on these finds, what is % dehydration?

Based on this answer, should you do oral or IV fluids? And how much fluid does this calf need?

Johne's = do PCR with stool (better test) or ELISA with blood (a screening test)

You are called to one of your regular, herd health clients who is fairly new to your practice for a 5 year old cow with weight loss and loose stool. BCS of this cow is 3, but the rest of the herd is 6-7. Cow also has bottle jaw. What do you need to test for and HOW?

Cull her AND her calves and test any other cows that are from the same source

You go to a farm where a cow is Johne's positive. The farmer told you she had a calf last year and the year before, but the farm he bought her from never told him she was positive. What do you do about this situation?

Find the mother of the bull = she is either PI or infected. THEN, you must PI everyone in the breeding herd, because the mothers will either be PI or transiently infected

A client calls you very upset because she sent a bull to the Indiana Bull Evaluation Program and it was identified as a BVD Persistently Infected Animal. What do you need to do on this farm?

Malabsorptive and secretory

What are the two main mechanisms of diarrhea?

Acidosis and Fusobacterium

Broadly, what causes liver abscesses?