Skip to main content

Table 2 Estimated parameters of pre-weaned calf management practices for the final optimal directed acyclic graph (DAG)

From: Additive Bayesian network analysis of the relationship between bovine respiratory disease and management practices in dairy heifer calves at pre-weaning stage

Child Interpretation Parent Coefficienta
[95% confidence interval]
Supportb
(%)
Link strength
(%)
Parity Log odds ratio Season: Autumn 0.93 [0.78; 1.09] 100 2.0
Parity Log odds ratio Season: Winter 1.19 [1.03; 1.35] - -
Parity Log odds ratio Season: Spring 0.42 [0.28; 0.57] - -
Parity Log odds ratio Season: Summer 1.30 [1.13; 1.47] - -
TP Correlation Colostrum 1.02 [0.94; 1.10] 100 4.3
Introduction weight Correlation Season: Autumn −0.7 [-0.78; −0.61] 99.9 1.0
Introduction weight Correlation Season: Winter −0.5 [−0.58; −0.41] - -
Introduction weight Correlation Season: Spring −0.49 [−0.57; −0.41] - -
Introduction weight Correlation Season: Summer −0.66 [−0.74; −0.57] - -
Introduction weight Correlation Parity 0.82 [0.74; 0.89] 100 4.6
BRD Log odds ratio Season: Autumn −0.21 [−0.35; −0.06] 100 11.1
BRD Log odds ratio Season: Winter 0.29 [0.15; 0.44] - -
BRD Log odds ratio Season: Spring −0.23 [−0.38; −0.08] - -
BRD Log odds ratio Season: Summer −0.91 [−1.06; −0.75] - -
BRD Log odds ratio TP −0.38 [−0.46; −0.31] 100 13.4
BRD Log odds ratio ADG −0.49 [−0.57; −0.42] 100 14.3
ADG Correlation TP 0.12 [0.09; 0.16] 100 6.9
ADG Correlation Introduction weight 0.17 [0.14; 0.21] 100 7.7
  1. BRD bovine respiratory disease
  2. a Continuous variables, including TP (total protein), introduction weight, and ADG (average daily gain) were standardised to a mean of zero with equal variances
  3. b Percentage of supported arcs in DAGs from bootstrapping samples