TABLE 4:

Effects of investigated factors on OR of each ketolactia categories

BHBA 0BHBA 50BHBA 100BHBA 200BHBA 500BHBA 1000
OR95% CIP valuesOR95% CIP valuesOR95% CIP valuesOR95% CIP valuesOR95% CIP valuesOR95% CIP values
DIM1.031.012 to 1.04 0.00038*0.980.96 to 1.00 0.033*0.990.97 to 1.010.190.970.94 to 1.01 0.045*0.980.94 to 1.030.481.060.99 to 1.130.11
Parity0.890.83 to 0.95 0.0007*0.980.90 to 1.070.611.191.10 to 1.29 0.00003*0.9970.87 to 1.150.961.130.92 to 1.370.241.160.86 to 1.560.334
Twins (n=42)0.830.43 to 1.610.640.500.15 to 1.300.17911.010.40 to 2.2511.510.38 to 4.310.35324.171.03 to 12.42 0.02268*4.730.51 to 21.020.0807
Dystocia
(n=37)
1.200.59 to 2.450.62121.040.41 to 2.370.84050.660.2 to 1.740.52520.810.09 to 3.2110.000.00 to 3.940.62295.410.59 to 24.260.06455
Dystocia in first lactation0.690.24 to 2.000.47021.510.41 to 4.670.38840.900.10 to 4.0112.000.21 to 9.290.29880.000.00 to 15.3710.000.00 to 61.881
Dystocia in 2+ lactation1.620.59 to 4.680.35630.700.13 to 2.460.77860.680.13 to 2.390.77910.000.00 to 2.940.63450.000.00 to 7.16110.531.07 to 52.52 0.02196*
Premature calving (n=21)0.920.35 to 2.4010.400.04 to 1.650.28152.680.95 to 7.03 0.04295*0.710.02 to 4.5010.000.00 to 7.2810.000.00 to 17.991
RP
(n=155)
0.770.55 to 1.090.15150.600.36 to 0.97 0.02959*1.941.31 to 2.84 0.0008*0.750.31 to 1.580.60891.890.70 to 4.390.17962.650.63 to 8.440.09219
Milk fever (n=16)0.790.25 to 2.390.80271.260.30 to 4.200.75641.430.33 to 4.770.52250.940.02 to 6.2510.000.00 to 9.8410.000.00 to 24.281
Metritis (n=140)0.980.69 to 1.410.92990.770.46 to 1.220.27861.130.71 to 1.750.57361.100.50 to 2.180.72311.420.43 to 3.680.41052.070.38 to 7.360.2094
Mastitis (n=114)0.620.41 to 0.93 0.01522*1.070.65 to 1.710.81141.661.04 to 2.60 0.02527*1.080.44 to 2.280.84430.9980.20 to 3.2112.600.48 to 9.270.1354
Clinical ketosis (n=27)0.590.24 to 1.380.24421.330.47 to 3.310.48020.160.004-0-995 0.04484*0.540.013 to 3.3614.870.90 to 17.04 0.03217*26.176.79 to 85.71 <0.0001*
Lameness (n=41)1.990.997 to 4.13 0.0399*0.770.29 to 1.800.69760.460.12 to 1.280.15820.350.01 to 2.100.51711.940.22 to 7.920.29460.000.00 to 8.761
Digestive disorders (n=12)3.060.76 to 17.640.089180.000.00 to 1.360.082820.860.09 to 4.0410.000.00 to 5.1413.410.08 to 24.430.27510.000.00 to 33.611
  • *P value (bold) shows significance.

  • BHBA, beta-hydroxybutyrate; DIM, days in milk; RP, retained placenta.