Table 3 Estimates of direct heritability and pen¹ variance ratios for immune traits and average daily gain^{2, 3}

White blood cells

0.28 (0.08)

NS

MNL

0.21 (0.09)

0.13 (0.04)*

PMNL

0.24 (0.10)

0.10 (0.04)*

PBML subsets:

   CD4⁺

0.69 (0.09)

0.05 (0.03)*

   CD8α⁺

0.46 (0.10)

NS

CD4⁺CD8α⁺

0.37 (0.11)

NS

CD4⁺CD8α^-

0.75 (0.13)

NS

   CD8αβ⁺

0.45 (0.11)

NS

   CD11R1⁺ total

0.35 (0.09)

NS

CD11R1⁺CD8α⁺

0.38 (0.10)

NS

CD11R1⁺CD8α^-

0.25 (0.09)

0.10 (0.05)*

   γδ⁺ T cell

0.39 (0.09)

NS

   B cells

0.31 (0.09)

NS

   Monocytes

0.28 (0.09)

NS

   CD14⁺

0.20 (0.11)

NS

   CD16⁺

0.09 (0.08)

0.08 (0.04)*

APP, μg/mL

   Haptoglobin

0.23 (0.09)

0.07 (0.04)*

   TTR

0.21 (0.15)

0.25 (0.08)*

   CRP

0.15 (0.08)

0.07 (0.04)*

   AGP

0.48 (0.10)

0.08 (0.04)*

ADG, kg/d

0.25 (0.06)

NS

Ag density:

   all CD8α⁺ cells

0.73 (0.17)

NS

   CD8α⁺ "dim" cells

0.93 (0.16)

NS

   CD8α⁺ "bright" cells

0.73 (0.16)

NS

   all CD8β⁺ cells

0.85 (0.15)

NS