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Table 3 Metabolites and hormones concentrations according to parity order in Nellore cows under grazing

From: Effects of parity order on performance, metabolic, and hormonal parameters of grazing beef cows during pre-calving and lactation periods

Items Parity   P-value
Nulliparous Primiparous Multiparous SEM Par2 Day3 Par x Day
Glucose, mg/dL 65.66 63.93 64.32 1895 0.485 < 0.001 < 0.001
Triglycerides, mg/dL 37.47 40.35 38.60 1.450 0.332 < 0.001 0.711
Total cholesterol, mg/dL 136.49 138.14 134.31 7.842 0.868 < 0.001 0.367
VLDL, mg/dL 9.35 10.08 9.67 0.404 0.416 < 0.001 0.622
LDL, mg/dL 44.62 46.49 40.61 6.550 0.628 < 0.001 0.610
HDL, mg/dL 83.19 81.97 84.52 2.403 0.742 < 0.001 < 0.001
NEFA, mmol/L1 0.08 0.07 0.11 0.141 0.402 <.0001 0.936
βHB, mmol/L1 0.43 0.44 0.48 0.002 0.872 < 0.002 0.023
Total proteins, g/dL 6.53c 6.91b 7.24a 0.178 0.002 < 0.001 0.459
Albumin, g/dL 2.89b 2.87b 3.05a 0.067 0.034 < 0.001 0.790
Globulins, g/dL 3.77b 4.07a 4.20a 0.294 0.021 < 0.001 0.856
SUN, mg/dL 24.62a 24.78a 21.90b 1.473 0.023 < 0.001 0.206
Creatinine, g/dL 1.24 1.22 1.27 0.046 0.355 <.0001 0.028
IGF-1, ng/mL 128.73 142.08 149.18 8.194 0.184 < 0.001 0.01
Insulin, uIU/mL 2.31 2.78 2.89 0.416 0.511 < 0.001 0.816
T3, ng/mL 2.49 2.53 2.43 0.368 0.971 0.112 0.819
T4, ug/dL 8.4 7.55 7.97 0.839 0.764 0.059 0.983
Progesterone, ng/mL 5.36 4.77 4.16 1.099 0.703 < 0.001 0.537
  1. Different letters declare significantly different between parities (P < 0.05)
  2. 1Non-esterified fatty acids (NEFA); β-hydroxybutyrate (βHB); Serum urea nitrogen (SUN)
  3. 2Parity (Par)
  4. 3Day relative to calving (Day)
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BMC Veterinary Research

ISSN: 1746-6148

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