Table 1.

Comparison of ELISA and CFT results from 22A. pleuropneumoniae-infected herds and A. pleuropneumoniae-free herds

Herd type (no. of animals)CFT result (dilution)No. of animals with an ELISA result of:
Positive (>25 EU)Negative (≤25 EU)
A. pleuropneumoniae positive (400)Positive (≥1:10)13832
Negative (<1:10)105125
A. pleuropneumoniae negative (216)Positive (≥1:10)00
Negative (<1:10)0216