<abstract xmlns="http://www.w3.org/1999/xhtml">

<sec id="j_jvetres-2022-0024_s_005">
<h3>Introduction</h3>
<p>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.</p></sec>
<sec id="j_jvetres-2022-0024_s_006">
<h3>Material and Methods</h3>
<p>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.</p>
</sec>
<sec id="j_jvetres-2022-0024_s_007">
<h3>Results</h3>
<p>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.</p>
</sec>
<sec id="j_jvetres-2022-0024_s_008">
<h3>Conclusion</h3>
<p>The results demonstrate that d-ROMs and the A/G ratio could be used as sensitive markers for heat stress under field conditions.</p>
</sec>

</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.

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

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction
Potential biomarkers for chronic seasonal heat stress in Kagoshima Berkshire pigs reared in the subtropical region were investigated by comparing...

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

Pubblicato online: 31 mag 2022

Pagine: 209 - 214

Ricevuto: 08 dic 2021

Accettato: 10 mag 2022

DOI: https://doi.org/10.2478/jvetres-2022-0024

Parole chiave
albumin/globulin ratio, derivatives of reactive oxygen metabolites (d-ROMs), biological antioxidant potential (BAP), heat stress, Kagoshima Berkshire pig, oxidative stress

© 2022 M. Ijiri et al. published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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

Pubblicato online: 31 mag 2022

Pagine: 209 - 214

Ricevuto: 08 dic 2021

Accettato: 10 mag 2022

DOI: https://doi.org/10.2478/jvetres-2022-0024

Parole chiavealbumin/globulin ratio, derivatives of reactive oxygen metabolites (d-ROMs), biological antioxidant potential (BAP), heat stress, Kagoshima Berkshire pig, oxidative stress

© 2022 M. Ijiri et al. published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
albumin/globulin ratio, derivatives of reactive oxygen metabolites (d-ROMs), biological antioxidant potential (BAP), heat stress, Kagoshima Berkshire pig, oxidative stress