Abomasal Ulcers

Question 1

what are some risk factors for abaomasal ulcers in cows?

Answer 1

stress (epi and norepi)

decreased mucosal blood flow either via NSAIDs or shock

sepsis from gram neg bacteria like e coli

increased gastrin or histamine release

Question 1

what are the 4 clinical presentations for abomasal ulcers

Answer 1

1. non perforating, mild bleeding
2. non perforating, significant bleeding
3. slowly perforate and adheres to peritoneum, like TRP
4. rapid periforation and peritonitis, shock, death

Question 2

clinical signs of a bleeding abomasal ulcer include

Answer 2

melena, pale mucus membranes, tachycardia, weakness, death

Question 3

how are abomasal ulcers treated?

Answer 3

H2 antagonists like ranitidine, omeprazole, bland diet (hay), blood transfusion (as long as there’s no lymphosarcoma)

if with ahdesions + perforation, treat like TRP and give antibiotics

if perforated and no adhesions, emergency surgery