Table 5 Results of titration of animals # 1, 7 and 61 sera collected 7 days post revaccination with 1 dose of the trivalent FMD vaccine

 

Serum

Dilution

OD values (l = 492 nm)

Serotype A5

Serotype 01

Serotype C

#1

#7

#61

#1

#7

#61

#1

#7

#61

1:32

0.032

0.026

0.039

0.038

0.023

0.032

0.005

0.100

0.012

1:64

0.036

0.029

0.040

0.043

0.027

0.065

0.017

0.097

0.042

1:128

0.046

0.039

0.070

0.069

0.052

0.079

0.033

0.114

0.082

1:256

0.100

0.089

0.098

0.093

0.108

0.107

0.072

0.150

0.127

1:512

0.176

0.196

0.213

0.182

0.205

0.220

0.210

0.255

0.324

1:1024

0.434

0.520

0.590

0.425

0.479

0.512

0.580

0.425

0.595

1:2048

0.724

0.786

0.799

0.666

0.734

0.775

0.820

0.790

0.830

1:4096

1.102

1.115

1.200

1.259

1.315

1.275

1.449

1.375

1.525

Positive control

Negative control

Control antigen

0.028

0.958

1.205

 

0.021

1.025

1.388

0.007

1.401

1.704

Cut-off

0.602

 

0.694

0.852