| Issue |
BIO Web Conf.
Volume 82, 2024
International Scientific and Practical Conference “Methods for Synthesis of New Biologically Active Substances and Their Application in Various Industries of the World Economy – 2023” (MSNBAS2023)
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|---|---|---|
| Article Number | 02041 | |
| Number of page(s) | 10 | |
| Section | Use of Biologically Active Substances in Crop Production, Animal Husbandry and Other Industries | |
| DOI | https://doi.org/10.1051/bioconf/20248202041 | |
| Published online | 03 January 2024 | |
Hormonal panel of various breeds of cattle under the conditions of temperature stress
Federal State Budgetary Scientific Institution Ural Federal Agrarian Scientific Research Centre, Ural Branch of the Russian Academy of Sciences (FSBSI UrFASRC, UrB of RAS), 112 А, Belinskogo St., 620000 Еkaterinburg, Russia
* Corresponding author: isaeva.05@bk.ru
The article gives the data on the content of a number of steroid and thyroid hormones in the population of Tagil, Suksun and Holstein cattle under the conditions of increasing environmental temperature resulting in moderate stress reaction, as well as on the changes in endocrine system after temperature stress. Changes in function of vascular glands were found showing high resistance of Tagil cattle, moderate resistance of Suksun cattle and low resistance of Holstein cattle to temperature stress. The most significant changes were noted in thyroid panel of Tagil cattle that was shown by increasing synthesis of iodothyronine while environmental temperature changed from high to normal values (during post-stress period). The breeds with lower resistance had the signs of deterioration of adaption mechanism expressed in stronger unbalance reaction of hormonal axis.
© The Authors, published by EDP Sciences, 2024
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