From: Evaluation of feline heartworm disease based on gross necropsy, serology, pulmonary histopathology, and radiographic evidence in adult shelter cats in northeastern Alabama
Test
No. of cats with positive test (%)
Symbiotic antibody (ELISA)
0/50
HW antibody-1 (ELISA)
13/50 (26%)
HW antibody-2 (ELISA)
11/50 (22%)
HW antigen (PetChek)
3/50 (6%)
HW antigen with heat treatment (ELISA)
10/50 (20%)