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Table 5 Least square means and P-values for effect of supplementation on serum metabolites and hormones during pre and post-calving

From: Performance, metabolic and hormonal responses of grazing Nellore cows to an energy-protein supplementation during the pre-partum phase

Item

Treatments

 

P-value

NS

SS

SEM

Sup2

Day3

Sup x Day

Glucose, mg/dL

62.97

63.70

1.895

0.793

< 0.001

0.124

Triglycerides, mg/dL

26.74

27.07

1.085

0.835

< 0.001

0.316

Total cholesterol, mg/dL

132.04

142.47

5.385

0.219

< 0.001

0.458

VLDL mg/ dL,

5.34

5.41

5.385

0.219

< 0.001

0.458

LDL mg/ dL,

56.21

66.15

5.054

0.213

< 0.001

0.558

HDL mg/ dL,

69.45

70.58

3.339

0.819

< 0.001

0.309

Creatinine, mg/dL

1.40

1.39

0.054

0.754

< 0.001

0.289

BUN, mg/dL

14.46

15.18

0.836

0.562

< 0.001

< 0.001

Total Proteins, g/dL

7.39

7.43

0.124

0.821

< 0.001

0.436

Albumin, g/dL

3.26

3.24

0.042

0.723

< 0.001

0.735

Globulins, g/dL

4.15

4.19

0.149

0.867

< 0.001

0.453

NEFA, mmol/L1

0.33

0.27

0.042

0.377

< 0.001

0.206

βHB, mmol/L1

0.47

0.45

0.021

0.676

0.073

0.026

IGF-1, ng/dL

184.64

196.54

16.670

0.629

< 0.002

0.360

Insulin, μIU/mL

2.99

2.83

0.324

0.737

0.0019

0.806

T3, ng/mL

0.637

0.823

0.1305

0.350

0.006

0.025

T4, μg/dL

4.66

5.81

0.689

0.282

<.001

<.001

Progesterone, ng/mL,

0.87

1.02

0.2461

0.687

0.0008

0.674

  1. 1NEFA Non-esterified fatty acids, βHB β-hydroxybutyrate
  2. 2/ Supplementation (Sup)
  3. 3/ Day relative to calving (Day)