Animal number

Titer

B1

1.5221

B2

1.5167

B3

1.5133

B4

1.5126

B5

1.5199

B6

1.5169

B7

1.5133

B8

1.5134

B9

1.5267

B10

1.5187

B11

1.5154

B12

1.5253

B13

1.5169

B14

1.5157

B15

1.5139

B16

1.5139

B17

1.5135

B18

1.5335

B19

1.5148

B20

1.5226

B21

1.5209

Mean ± SD

1.518 ± 0.005