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Table 2 Infectious bronchitis HI mean antibody titre (log2 base) +/− SD, 21 DPV

From: Immunological aspects of the efficiency of protectotype vaccination strategy against chicken infectious bronchitis

Group   IBV diagnostic strain
M41 4/91 D3128 Italy O2 D8880 D274 D1466
Control HI titer 2,4b 3,0b 2,0b 2,25a 3,0b 2,0b 2,8 b
SD 0,55 0,00 0,00 0,50 0,71 0,00 0,84
Ma5 HI titer 3,2a, b 3,22b 2,0 b 3,33 a 3,6 a, b 3,0 a, b 4,6 a, b
SD 0,45 0,45 0,00 0,58 0, 55 0,71 1,34
4/91 HI titer 4,25 a 5,42a 3,5 a 3,5 a 4,0 a, b 5,0a 6,8a
SD 0,96 0,55 0,71 0,71 0,71 1,41 1,64
V2 HI titer 3,8a, b 4,2a, b 2,67a, b 2,6 a 4,8a 3,5 a, b 4,5 a, b
SD 0,45 0,00 0,58 0,55 0,45 0,58 1,30
  1. a, b—Mean values in a column with different superscript letters are significantly different (Kruskal-Wallis test, p < 0,05)
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BMC Veterinary Research

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