Skip to main content

Table 5 Estimates of components of variance and their standard errors for infectious status

From: Assessment of genetic variation for pathogen-specific mastitis resistance in Valle del Belice dairy sheep

Resistance Trait

σ 2 FYS

σ 2 PE

σ 2 a

σ 2 P

h 2

Infection Status

ALL

0.79 ± 0.17

0.40 ± 0.03

0.04 ± 0.02

2.23 ± 0.17

0.02 ± 0.01

CNS

0.18 ± 0.04

0.39 ± 0.03

0.03 ± 0.02

1.60 ± 0.05

0.02 ± 0.01

STR

0.09 ± 0.03

0.39 ± 0.07

0.15 ± 0.07

1.62 ± 0.05

0.09 ± 0.04

  1. σ FYS 2 Flock-Year-Season effect, σ PE 2 permanent environment effect, σ a 2) additive genetic effect, σ P 2 phenotypic effect, h 2 heritabilities
  2. CNS coagulase-negative staphylococci, STR streptococci, ALL observed bacteriological colonies as described in M&M section