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

Yuxi Song
Yuxi Song
, 
Zhijie Wang
Zhijie Wang
, 
Chang Zhao
Chang Zhao
, 
Yunlong Bai
Yunlong Bai
, 
Cheng Xia
Cheng Xia
 oraz 
Chuang Xu
Chuang Xu
   | 05 lip 2021
Journal of Veterinary Research's Cover Image
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Data publikacji: 05 lip 2021
Zakres stron: 361 - 368
Otrzymano: 30 gru 2020
Przyjęty: 15 cze 2021
DOI: https://doi.org/10.2478/jvetres-2021-0035
Słowa kluczowe
© 2021 Y. Song et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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

Parameter PEB (n = 15) NEB (n = 15) P value
Age 3.49 ± 0.35 3.45 ± 0.38 0.942
Parity 2.47 ± 0.32 2.20 ± 0.33 0.565
14–21 d BCS 3.18 ± 0.09 3.38 ± 0.07 0.094
50–55 d BCS 2.97 ± 0.09 2.88 ± 0.09 0.522
ΔBCS 0.22 ± 0.01 0.50 ± 0.08 0.025
MY (kg/d) 42.32 ± 1.36 36.76 ± 1.46 0.010

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

Parameter PEB (n = 15) NEB (n = 15) P value
LF diameter on d 50 (mm) 6.53 ± 0.97 7.07 ± 0.90 0.690
LF diameter on d 55 (mm) 12.27 ± 0.66 10.53 ± 0.93 0.138
Growth rate of the LF (mm/d) 1.19 ± 0.13 0.68 ± 0.11 0.007
eISSN:
2450-8608
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine
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