Comparative Study of Serological Tests for Mycoplasma synoviae Diagnosis in Commercial Poultry Breeders

Table 1

Frequency of anti-MS antibodies using SPA, HI, and ELISA in Mycoplasma synoviae diagnosis in commercial poultry breeder flocks^a.

TEST	Number of positive results/Total of samples^a	Frequency (%)
SPA	736/2781	26.46
ELISA	150/712^b	21.06
HI	30/712^b	4.21

aResults are expressed as number of positive birds/total number of birds in each test.
bMaterial collected in 24 samples was not sufficient to be tested by HI and ELISA.