A two-year-old, male neutered, sick, indoor/outdoor cat is presented with free fluid in the abdomen.
A sample of fluid is obtained and based on the high viscosity of the peritoneal fluid, feline infectious peritonitis is suspected.
What is a reliable and quick diagnostic test that can be performed on this fluid to differentiate it from effusions caused by other diseases?
A - Rivalta test
B - Nissl stain
C - Wright's stain
D - Coomb's test
E - Specific gravity
answer/ A
