| Issue |
E3S Web Conf.
Volume 282, 2021
International Conference “Ensuring Food Security in the Context of the COVID-19 Pandemic” (EFSC2021)
|
|
|---|---|---|
| Article Number | 02006 | |
| Number of page(s) | 6 | |
| Section | Production of Agricultural Products, Raw Materials and Food that Meet Environmental, Sanitary-Epidemiological, Veterinary and Other Standards | |
| DOI | https://doi.org/10.1051/e3sconf/202128202006 | |
| Published online | 05 July 2021 | |
Stress tolerance and productive longevity of cows with intensive milk production technologies
Federal State Budgetary Educational Institution of Higher Education “Ural State Agrarian University”, Yekaterinburg, Russia
* Corresponding author: olgachech@yandex.ru
The studies were carried out on black-and-white cattle of the Ural intra-breed type, bred at the enterprises of the Sverdlovsk region. The studied groups of animals are formed depending on the milking technology (milking in a milk pipe, in milking parlors, robotic milking). The level of hormones in the groups of cows, where intensive milking technologies were used, is higher than in the groups of linear milking in the milk pipeline: prolactin by 17.2 ng / ml; adrenocorticotropic hormone by 10.3 pg / ml; cortisol by 5.3 nmol / l. The number of heifers with a high type of stress tolerance is on average 6.3% less in groups where intensive milking technologies were used in comparison with linear milking in a milk pipe.
© The Authors, published by EDP Sciences, 2021
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