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Effect of negative energy balance on plasma metabolites, minerals, hormones, cytokines and ovarian follicular growth rate in Holstein dairy cows Cover

Effect of negative energy balance on plasma metabolites, minerals, hormones, cytokines and ovarian follicular growth rate in Holstein dairy cows

Open Access
|Jul 2021

Figures & Tables

Fig. 1

Least squares mean (± SEM) concentrations of plasma β-hydroxybutyric acid, non-esterified fatty acids, glucose, triglycerides, total cholesterol, and urea nitrogen at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk
Least squares mean (± SEM) concentrations of plasma β-hydroxybutyric acid, non-esterified fatty acids, glucose, triglycerides, total cholesterol, and urea nitrogen at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk

Fig. 2

Least squares mean (± SEM) concentrations of plasma Ca, P, and Mg at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk
Least squares mean (± SEM) concentrations of plasma Ca, P, and Mg at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk

Fig. 3

Least squares mean (± SEM) concentrations of plasma E2, P4, INS, GH, IGF-1, IGFBP3, and LEP at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk
Least squares mean (± SEM) concentrations of plasma E2, P4, INS, GH, IGF-1, IGFBP3, and LEP at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk

Fig. 4

Least squares mean (± SEM) concentrations of plasma IL-6, ANGPTL8, FGF21, BDNF, TNF-α, and ADPN at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk
Least squares mean (± SEM) concentrations of plasma IL-6, ANGPTL8, FGF21, BDNF, TNF-α, and ADPN at 21, 50, and 55 d after calving for positive energy balance (PEB) (n = 15) and negative energy balance (NEB) (n = 15) dairy cowsT – treatment group; DIM – days in milk; T × DIM – interaction between treatment group and days in milk

Clinical data from the two groups of cows

ParameterPEB (n = 15)NEB (n = 15)P value
Age3.49 ± 0.353.45 ± 0.380.942
Parity2.47 ± 0.322.20 ± 0.330.565
14–21 d BCS3.18 ± 0.093.38 ± 0.070.094
50–55 d BCS2.97 ± 0.092.88 ± 0.090.522
ΔBCS0.22 ± 0.010.50 ± 0.080.025
MY (kg/d)42.32 ± 1.3636.76 ± 1.460.010

Least squares means ± SEM of the largest follicle diameter on days 50 and 55 and the growth rate between days 50 and 55 in Holstein cows

ParameterPEB (n = 15)NEB (n = 15)P value
LF diameter on d 50 (mm)6.53 ± 0.977.07 ± 0.900.690
LF diameter on d 55 (mm)12.27 ± 0.6610.53 ± 0.930.138
Growth rate of the LF (mm/d)1.19 ± 0.130.68 ± 0.110.007
Language: English
Page range: 361 - 368
Submitted on: Dec 30, 2020
Accepted on: Jun 15, 2021
Published on: Jul 5, 2021
Published by: National Veterinary Research Institute in Pulawy
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2021 Yuxi Song, Zhijie Wang, Chang Zhao, Yunlong Bai, Cheng Xia, Chuang Xu, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.