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Table 3 Coefficient estimates and 95% confidence intervals for estimates from GLM models of Staphylococcus aureus and Streptococcus agalactiae with nested animal and herd random effects

From: Host adapted intramammary infections in pregnant heifers which were co-housed and reared on fresh milk as calves

Parity

Staphylococcus aureus

Streptococcus agalactiae

Coef. estimate (95% CI)

Coef. estimate (95% CI)

1st Lactation cows

1.31 (0.15, 11.62)

0.63 (0, 1.8E6)

2nd Lactation cows

1.39 (0.14, 14.34)

0.53 (0, 1.8E7)

2nd plus lactation cows

1.44 (0.21, 9.75)

1.18 (0,5.2E4)

  1. All results are evaluated compared to the baseline category of heifer.