The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows
The main aim of this research was to study the impact of seasonal temperature variation on metabolic markers in dairy cows, particularly blood parameters that are recognised as indicators of homeostasis. From December 2019 to December 2020, 723 blood samples were collected from 382 lactating Holstei...
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Taylor & Francis Group
2025-12-01
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| Series: | Cogent Food & Agriculture |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/23311932.2025.2550498 |
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| author | Wissem Baccouri George Wanjala Violetta Tóth István Komlósi Imre Földesi Kata Diána Edit Mikó |
| author_facet | Wissem Baccouri George Wanjala Violetta Tóth István Komlósi Imre Földesi Kata Diána Edit Mikó |
| author_sort | Wissem Baccouri |
| collection | DOAJ |
| description | The main aim of this research was to study the impact of seasonal temperature variation on metabolic markers in dairy cows, particularly blood parameters that are recognised as indicators of homeostasis. From December 2019 to December 2020, 723 blood samples were collected from 382 lactating Holstein Friesian cows throughout the four seasons. The temperature humidity index (THI) was used to identify the seasons: hot (THI ≥68), or cold (THI <68). Seasons had a significant effect (p < 0.05) on insulin and prolactin levels and no significant effect on non-esterified fatty acids (NEFA). Insulin averaged 9.86 mIU/L in spring, significantly higher than winter (6.30 mIU/L) and autumn (5.92 mIU/L), but did not differ between spring and summer. Prolactin levels increased progressively, they were lowest in autumn (3.78 ng/mL), rose slightly in winter (6.49 ng/mL), and continued to increase in spring (8.58 ng/mL) and summer (11.22 ng/mL). In conclusion, the fluctuation in temperature across the seasons under continental climate significantly impacts specific metabolic markers in dairy cows. Despite these seasonal variations in insulin and prolactin, NEFA levels remained consistent across all seasons. These findings highlight the differential impact of seasonal temperature changes on key metabolic hormones involved in energy balance and lactation in Holstein Friesian cows. |
| format | Article |
| id | doaj-art-db7f015e40a244048cd85d730f98b040 |
| institution | Kabale University |
| issn | 2331-1932 |
| language | English |
| publishDate | 2025-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Cogent Food & Agriculture |
| spelling | doaj-art-db7f015e40a244048cd85d730f98b0402025-08-26T12:41:40ZengTaylor & Francis GroupCogent Food & Agriculture2331-19322025-12-0111110.1080/23311932.2025.2550498The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cowsWissem Baccouri0George Wanjala1Violetta Tóth2István Komlósi3Imre Földesi4Kata Diána5Edit Mikó6Doctoral School of Animal Science, University of Debrecen, Debrecen, HungaryDoctoral School of Animal Science, University of Debrecen, Debrecen, HungaryInstitute of Animal Sciences and Wildlife Management, University of Szeged, Hódmezővásárhely, HungaryDoctoral School of Animal Science, University of Debrecen, Debrecen, HungaryDepartment of Laboratory Medicine, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, HungaryDepartment of Laboratory Medicine, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, HungaryInstitute of Animal Sciences and Wildlife Management, University of Szeged, Hódmezővásárhely, HungaryThe main aim of this research was to study the impact of seasonal temperature variation on metabolic markers in dairy cows, particularly blood parameters that are recognised as indicators of homeostasis. From December 2019 to December 2020, 723 blood samples were collected from 382 lactating Holstein Friesian cows throughout the four seasons. The temperature humidity index (THI) was used to identify the seasons: hot (THI ≥68), or cold (THI <68). Seasons had a significant effect (p < 0.05) on insulin and prolactin levels and no significant effect on non-esterified fatty acids (NEFA). Insulin averaged 9.86 mIU/L in spring, significantly higher than winter (6.30 mIU/L) and autumn (5.92 mIU/L), but did not differ between spring and summer. Prolactin levels increased progressively, they were lowest in autumn (3.78 ng/mL), rose slightly in winter (6.49 ng/mL), and continued to increase in spring (8.58 ng/mL) and summer (11.22 ng/mL). In conclusion, the fluctuation in temperature across the seasons under continental climate significantly impacts specific metabolic markers in dairy cows. Despite these seasonal variations in insulin and prolactin, NEFA levels remained consistent across all seasons. These findings highlight the differential impact of seasonal temperature changes on key metabolic hormones involved in energy balance and lactation in Holstein Friesian cows.https://www.tandfonline.com/doi/10.1080/23311932.2025.2550498ProlactininsulinNEFAheat-stresscowsAnimal Physiology |
| spellingShingle | Wissem Baccouri George Wanjala Violetta Tóth István Komlósi Imre Földesi Kata Diána Edit Mikó The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows Cogent Food & Agriculture Prolactin insulin NEFA heat-stress cows Animal Physiology |
| title | The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows |
| title_full | The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows |
| title_fullStr | The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows |
| title_full_unstemmed | The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows |
| title_short | The effect of seasonal changing temperature on blood metabolic indicators in Holstein Friesian cows |
| title_sort | effect of seasonal changing temperature on blood metabolic indicators in holstein friesian cows |
| topic | Prolactin insulin NEFA heat-stress cows Animal Physiology |
| url | https://www.tandfonline.com/doi/10.1080/23311932.2025.2550498 |
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