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Table 5 Principal component analysis of the immune response measures of the animals immunized with Mycobacterium butyricum

From: Correlated effects of selection for immunity in White Leghorn chicken lines on natural antibodies and specific antibody responses to KLH and M. butyricum

  Axis
  PC 1 PC 2 PC 3 PC 4 PC 5
Variance explained (%) 25.44 19.44 11.94 10.94 9.66
  Eigenvector
Trt_Init 0.45 0.62 0.12 0.22 0.42
Trt_Final 0.67 0.18 0.07 0.43 -0.23
LPS-Init 0.30 0.49 -0.55 -0.47 -0.25
LPS_Final 0.63 0.16 0.12 -0.69 -0.09
LTA_Init 0.78 0.29 -0.01 0.16 -0.06
LTA_Final 0.75 0.07 0.28 0.08 -0.15
Gal*2_Init -0.36 0.56 0.36 0.23 -0.18
Gal*2_Final 0.39 -0.42 -0.19 0.27 0.29
D_Trt 0.22 -0.53 -0.07 0.23 -0.75
D_LPS 0.36 -0.35 0.71 -0.24 0.18
D_LTA -0.12 -0.45 0.43 -0.22 -0.11
D_GAL 0.52 -0.69 -0.39 0.00 0.32
  1. Principal component analysis of 12 measures of immune response from the 200 animals immunized with M. butyricum (Group B): variance explained by the first 5 axes (PC1 to PC 5) and relative contributions of the 12 variables to each axis.
  2. Trt_Init = Antibody (Ab) titre before immunization with M.B. (Group B), Trt_Final = Ab titre after immunization with M.B. (Group B), LPS-Init = Nabs to LPS at day 0, LPS_Final = Ab to LPS 11 days post immunization, LTA_Init = Nabs to LTA at day 0, LTA_Final = Ab to LTA 11 days post immunization, Gal*2_Init = Ab to anti-Gal epitope at day 0, Gal*2_Final = Ab to anti-Gal epitope 11 days post immunization, D_Trt = responsiveness of Ab response to M.B, D_LPS = responsiveness of Ab response to LPS, D_LTA = responsiveness of Ab response to LTA, D_GAL = responsiveness of Ab response to anti-Gal.