Aleksandra A Safronova, Kinispay M Dzhulamanov, Nikolay P Gerasimov, Мarina P Dubovskova
Animal Husbandry and Fodder Production. 2023. Vol. 106, no 2. Р. 43-51.
doi:10.33284/2658-3135-106-2-43
Original article
Hematological parameters and hormonal profile in Hereford bull-calves of different genetic groups
Aleksandra A Safronova1, Kinispay M Dzhulamanov2, Nikolay P Gerasimov3, Мarina P Dubovskova4
1,2,3,4Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
1sovaalexandra@gmail.com, https://orcid.org/0000-0001-8609-8640
2kinispai.d@yandex.ru, https://orcid.org/0000-0001-8039-7471
3nick.gerasimov@rambler.ru, https://orcid.org/0000-0003-2295-5150
4dubovskova.m@mail.ru, https://orcid.org/0000-0001-6915-4647
Abstract. Improving the domestic population of Hereford cattle carried out by intrabreeding methods widely using hetero-ecological mating system of parental pairs. These activities are conducted against the background of regular monitoring of the physiological state and adaptive qualities in resulting progeny. Analyzes of the morphological and biochemical composition of blood, as well as the state of the endocrine system were carried out as an integrated approach to the study of the features of metabolic processes in young Hereford cattle of different genetic groups. Three groups of Hereford bull-calves (n=7 heads) were formed to assess the interior parameters: I - representatives of the Ural type of Herefords, II - Canadian selection, III - American selection. The results of the studies indicate minor differences in hematological parameters and hormonal levels in bull-calves of different genetic groups. Intrabreed variability in morphological and biochemical composition of blood did not exceed the limits of physiological norm, which indicates the adaptive plasticity of Hereford breed.
Keywords: Hereford breed, bull-calves, morphological composition of blood, biochemical composition of blood, thyroid hormones, growth hormones, adaptive qualities, metabolism
Acknowledgments: the work was performed in accordance to the plan of research works for 2021-2023 FSBRI FRC BST RAS (No. FNWZ-2021-0001).
For citation: Safronova AA, Dzhulamanov KM, Gerasimov NP, Dubovskova МP. Hematological parameters and hormonal profile in Hereford bull-calves of different genetic groups. Animal Husbandry and Fodder Production. 2023;106(2):43-51. (In Russ.) https://doi.org/10.33284/2658-3135-106-2-43.
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Information about the authors:
Aleksandra A Safronova, post-graduate student of the Breeding and Genetic Center for Beef Cattle, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya st., 460000, Orenburg.
Kinispay M Dzhulamanov, Dr. Sci. (Agriculture), Head of the Breeding and Genetic Center for Beef Cattle, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya st., 460000, Orenburg., tel.: 8(3532)30-81-74.
Nikolay P Gerasimov, Dr. Sci. (Biology), Senior Researcher, Breeding and Genetic Center for Beef Cattle , Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 29 9 Yanvarya St., Orenburg, 460000, tel.: 8-912-358-96-17.
Marina P Dubovckova, Dr. Sci. (Agriculture), Leading Researcher, Breeding and Genetic Center for Beef Cattle, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, 29 9 Yanvarya St., tel.: 8-922-621-61-78.
The article was submitted 19.05.2023; approved after reviewing 02.06.2023; accepted for publication 13.06.2023.
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