Chechenikhina OS, Menshchikov NN, Stepanov АV, Smirnova ES, Sinko VN, Shilovtsev АV.
Animal Husbandry and Fodder Production. 2024. Vol. 107, no 4. Р. 83-93.
doi:10.33284/2658-3135-107-4-83
Original article
The influence of line on indicators of dairy productivity of the Holstein cows with various levels of stress resistance
Olga S Chechenikhina1, Nikolai N Menshchikov2, Alexey V Stepanov3, Ekaterina S Smirnova4,
Vera N Sinko5, Andrey V Shilovtsev6
1,2Ural State University of Economics, Yekaterinburg, Russia
3,4,5,6Ural State Agrarian University, Yekaterinburg, Russia
1olgachech@yandex.ru, https://orcid.org/0000-0002-9011-089X
2 nmenschikov@mail.ru, https://orcid.org/0009-0005-5447-9410
3alexeystepanow@mail.ru, https://orcid.org/0000-0002-8523-5938
4ekaterina-kazantseva@list.ru, https://orcid.org/0000-0003-2116-121X
5vsinko71@mail.ru, https://orcid.org/0000-0001-9757-0824
6a.shilovtsev@mail.ru, https://orcid.org/0000-0003-0498-6068
Abstract. The selection of animals depending on their line is one of the promising methods of rearing brood animals aimed at increasing the productivity of dairy herds. Specialists of enterprises engaged in breeding work with dairy cattle include the level of stress resistance in the list of animal assessment indicators. The purpose of the research is to assess the effect of linear dependence on the indicators of dairy productivity of Holstein cows of various levels of stress resistance. The studies were conducted on cows of the Vis Back Ideal 1013415 and Reflection Sovering 198998 lines of the Ural collective farm in the Sverdlovsk region (120 heads). Dividing cows into groups relative to stress resistance levels, the coefficient of synchronicity of milk yield of the studied animals (Ksm) was estimated. The level of stress resistance in each animal was determined by the percentage ratio of Ksm to the average value of the group. The low level of stress resistance corresponded to 110.0% or more; the average level was 100.0-109.0%; the high level was less than 100.0%. It was found that milk yield for 305 days of the first lactation was higher in groups of cows with a high type of stress resistance by an average of 7.1%. At the same time, only in animals of the Reflection Sovering 198998 line, this difference turned out to be significant and amounted to 11.2% (at P≤0.001). In cows belonging to the Vis Back Ideal 1013415 line, the difference in lifetime milk yield between cows with low and high levels of stress resistance was 7.8%, in individuals of the Reflection Sovering 198998 line - 20.9% (at P≤0.05). Consequently, it can be assumed that among the animals of the Reflection Sovering 198998 line, the selection of cows according to the level of resistance to stress will be more effective.
Keywords: cattle, lineage, stress, milk yield, productive longevity
For citation: Chechenikhina OS, Menshchikov NN, Stepanov АV, Smirnova ES, Sinko VN, Shilovtsev АV. The influence of line on indicators of dairy productivity of the Holstein cows with various levels of stress resistance. Animal Husbandry and Fodder Production. 2024;107(4):83-93. (In Russ.). https://doi.org/10.33284/2658-3135-107-4-83
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Information about the authors:
Olga S Chechenikhina, Dr Sci. (Biology), Associate Professor, Professor of the Department of Biotechnology and Engineering, Ural State University of Economics, 62/45 8 Marta str./Narodnaya Volya, Yekaterinburg, Sverdlovsk region, 620144, Ural Federal District, tel. +79122270251.
Nikolay N Menshchikov, applicant, Ural State University of Economics, 62/45 8 Marta str./Narodnaya Volya, Yekaterinburg, Sverdlovsk region, 620144, Ural Federal District, tel. +79199467333.
Alexey V Stepanov, Cand. Sci (Agriculture), Associate Professor of the Department of Biotechnology and Food Products, Ural State Agrarian University, 42 Karl Liebknecht str, Yekaterinburg, 620000, Sverdlovsk region. +79126920331
Ekaterina S Smirnova, Cand. Sci (Agriculture), Associate Professor of the Department of Biotechnology and Food Products, Ural State Agrarian University, 42 Karl Liebknecht str, Yekaterinburg, 620000, Sverdlovsk region. +79126649857.
Vera N Sinko, Senior Lecturer at the Department of Philosophy, Ural State Agrarian University, 42 Karl Liebknecht str, Yekaterinburg, 620000, Sverdlovsk region. +79195806593.
Andrey V Shilovtsev, Cand. Sci. (Historical), Associate Professor of the Department of Philosophy, Ural State Agrarian University, 42 Karl Liebknecht str, Yekaterinburg, 620000, Sverdlovsk region. +79222225598.
The article was submitted 09.10.2024; approved after reviewing 02.12.2024; accepted for publication 16.12.2024.
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