Have a personal or library account? Click to login
Potential biomarkers for chronic seasonal heat stress in Kagoshima Berkshire pigs reared in the subtropical region Cover

Potential biomarkers for chronic seasonal heat stress in Kagoshima Berkshire pigs reared in the subtropical region

Open Access
|May 2022

Abstract

Introduction

Potential biomarkers for chronic seasonal heat stress in Kagoshima Berkshire pigs reared in the subtropical region were investigated by comparing the biomarker changes in the summer (a period of chronic heat stress) and winter (a thermoneutral period) seasons.

Material and Methods

Pigs were allocated to summer- and winter-finishing cohorts, 12 each. The evaluations included assessment of carcass traits and internal organs’ normality carried out at the time of slaughter, and measurement of biomarkers in whole blood: derivatives of reactive oxygen metabolites (d-ROMs) and biological antioxidant potential as markers of oxidative stress, and serum amyloid A and albumin/globulin (A/G) ratio as markers of acute and chronic inflammation, respectively.

Results

The summer-finished pigs reared under subtropical field conditions showed lower carcass quality than the winter-finished pigs, indicating a potential adverse effect of summer temperatures on the swine industry. Marginal changes were observed in d-ROMs and the A/G ratio between the summer- and winter-finishing cohorts.

Conclusion

The results demonstrate that d-ROMs and the A/G ratio could be used as sensitive markers for heat stress under field conditions.

Language: English
Page range: 209 - 214
Submitted on: Dec 8, 2021
|
Accepted on: May 10, 2022
|
Published on: May 31, 2022
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 Moe Ijiri, Kenji Odo, Motohiko Sato, Maiko Kawaguchi, Yoshikazu Fujimoto, Naoki Miura, Tomohide Matsuo, De-Xing Hou, Osamu Yamato, Takashi Tanabe, Hiroaki Kawaguchi, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.