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Table 2 Zootechnical parameters and plasma metabolites and RARRES2 concentrations from 4 wk. pp. to late lactation period (44wk postpartum) in dairy cows

From: Possible involvement of the RARRES2/CMKLR1-system in metabolic and reproductive parameters in Holstein dairy cows

   Wk pp  
4 8 20 44 P-value
LSM ± SEM LSM ± SEM LSM ± SEM LSM ± SEM  
Live body weight (kg) 640.74 ± 21.31a 643.16 ± 23.07a 685.01 ± 21.15a 741.49 ± 25.21b < 0.0001
Variation of empty body weight (kg/d) −14.05 ± 2.82a − 13.86 ± 2.57a − 8.26 ± 2.04a − 0.71 ± 2.58b < 0.0001
Milk yield (kg/d) 39.20 ± 2.27a 36.12 ± 2.97a 32.21 ± 1.48a 20.78 ± 1.60b < 0.0001
Dry matter intake (kg/d) 18.67 ± 1.56a 20.83 ± 0.76a 21.41 ± 1.05a 21.77 ± 0.69b 0.09
Energy balance (Mcal/d) − 4.88 ± 1.72a −1.76 ± 1.62ab −0.97 ± 1.35ab 2.76 ± 0.92b 0.001
Back fat thickness (cm) 0.65 ± 0.15a 0.43 ± 0.12ab 0.34 ± 0.11b 0.45 ± 0.09b 0.007
Non esterified fatty acid (mmol/L) 1103.98 ± 158.30a 816.58 ± 137.67ab 509.33 ± 75.00b 185.83 ± 29.48c < 0.0001
Glucose (mmol/L) 7.71 ± 0.39a 8.17 ± 0.50ab 9.22 ± 0.44b 9.51 ± 0.57b 0.01
Insulin (ng/mL) 0.24 ± 0.06a 0.33 ± 0.05ab 0.49 ± 0.06bc 0.55 ± 0.02c 0.0005
  1. Results are presented as LSM. P-values of the effects of week was considered significant if P < 0.05