Selected article for: "control group and severe group"
Author: Allemandou, Aude; Grasland, Béatrice; Hernandez-Nignol, Anne-Cécile; Kéranflec'h, André; Cariolet, Roland; Jestin, André
Title: Modification of PCV-2 virulence by substitution of the genogroup motif of the capsid protein
  • Document date: 2011_3_24
    • ID: 1fl0we2a_44
    Snippet: In the non-immunostimulated control group 1, no gross lesions were observed at necropsies. Macrolesion intensity was recorded and score averages were determined. The macrolesions of the tracheobronchial (TB) lymph nodes were significantly more severe in the PCV-2a group 3 (mean of 1.375) and the PCV-2b group 4 (mean of 1.5) (p < 0.05) than in the control groups (0 and 0.625 in average in group 1 and 2 respectively) and than in the PCV-2a/ motif 2.....
    Document: In the non-immunostimulated control group 1, no gross lesions were observed at necropsies. Macrolesion intensity was recorded and score averages were determined. The macrolesions of the tracheobronchial (TB) lymph nodes were significantly more severe in the PCV-2a group 3 (mean of 1.375) and the PCV-2b group 4 (mean of 1.5) (p < 0.05) than in the control groups (0 and 0.625 in average in group 1 and 2 respectively) and than in the PCV-2a/ motif 2b group (0.875 in average) ( Table 2 ). In the PCV-2b/motif 2a, the TB lymph nodes were more enlarged (mean of 0.875) than those in the control groups and in the PCV-2a/motif 2b group, but less than those in PCV-2a and PCV-2b parental groups. However, these last differences were not statistically representative.

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