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Table 5 Direct heritability (h2) estimates for acute phase proteins and average daily gain for SPF and non-SPF pigs1

From: Traits associated with innate and adaptive immunity in pigs: heritability and associations with performance under different health status conditions

 

SPF

   

Non-SPF

   

Trait

direct h2 (s.e.)

Pen effect (s.e.)

Genetic variance × 10-1

Residual variance × 10-1

direct h2 (s.e.)

Pen effect (s.e.)

Genetic variance × 10-1

Residual variance × 10-1

APP, μg/ml:

        

haptoglobin

0.23 (0.14)

0.11 (0.05)*

1.10

3.20

0.20 (0.11)

NS

0.84

3.20

TTR,2

0.28 (0.22)

NS

0.24

0.36

0.12 (0.18)

NS

0.11

0.51

CRP

0.20 (0.14)

NS

1.40

5.60

0.13 (0.10)

0.11 (0.06)*

0.93

5.30

AGP

0.49 (0.14)

0.08 (0.05)*

0.59

0.52

0.48 (0.14)

NS

0.56

0.51

ADG, kg/d

0.40 (0.07)

0.09 (0.03)*

0.07

0.09

0.13 (0.07)

NS

0.02

0.15

  1. 1Traits for which the heritability differed significantly between SPF and non-SPF farms are shown bold (* p < 0.05).
  2. 2For transthyretin (TTR), both pen and dam effects were fitted
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Genetics Selection Evolution

ISSN: 1297-9686