Table 6 Calving number and percentage of stillbirths for selected blood macro-minerals at parturition included in the binary logistic regression model of the generalized linear mixed model for stillbirth incidence in Holstein dairy cows (n = 1311).

From: Identification of cow-level risk factors and associations of selected blood macro-minerals at parturition with dystocia and stillbirth in Holstein dairy cows

Variable

Calving No

Stillbirth%

P-value

Calcium (mg/dl)

  

0.01

Hypo (≤ 8)

435

5.38

 

Normal (> 8.1)

876

3.82

 

Phosphorus (mg/dl)

  

0.35

Hypo (≤ 4)

355

4.27

 

Normal (> 4.1)

956

4.04

 

Magnesium (mg/dl)

  

0.88

Hypo (≤ 2.5)

379

4.38

 

Normal (> 2.51)

932

4.11

 

Variance

Estimate

  

Residual variance

0.536

  

Herd variance

0.031

  
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