Features of hormonal profile in cats of Russian breeds
- Authors: Petryaeva A.V.1, Kuznetsov V.I.1, Tkachev A.V.2, Tkacheva O.L.2
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Affiliations:
- RUDN University
- Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
- Issue: Vol 19, No 2 (2024)
- Pages: 314-323
- Section: Morphology and ontogenesis of animals
- URL: https://journals.rcsi.science/2312-797X/article/view/315815
- DOI: https://doi.org/10.22363/2312-797X-2024-19-2-314-323
- EDN: https://elibrary.ru/IJIJWK
- ID: 315815
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Abstract
In modern felinology, cat owners are increasingly interested in behavior of their pets. Based on the study of testosterone levels, methods for determining the gender temperament of cats were proposed. Estradiol and prolactin levels in combination with testosterone concentrations remain less studied in cats of the Russian selection. The aim of the research was to study the relationship between the level of aggressive behavior and blood concentrations of testosterone, estradiol and prolactin in Felis catus. The experiments were carried out in Omsk, Lugansk, Moscow and the Moscow region in 2015–2023. The study used 162 mature cats aged 2 to 11 years, which belonged to 9 different Russian breeds. Concentration of hormones in blood serum was determined by the enzyme immunoassay (ELISA) using kits from HEMA (Russia), Sigma (USA), Vector-Best (Russia) on semi-automatic Multiskan FC analyzer (Termo Fisher Scientific; USA). The highest concentration of testosterone was in young cats, which was 16.8 and 35.8 % more (р < 0.01) compared to full-aged and old cats, respectively. The highest concentration of estradiol in blood serum of Russian cats was in old animals, which was 4.3 and 33.3% more (р < 0.01) compared to full-aged and young males, respectively. The highest concentration of prolactin in blood was in old animals, which was 9.6 and 48.8% more (р < 0.001) than in full-aged and young males, respectively. The largest amount of estradiol was detected in female cats with the calmest type of behavior without any aggressive signs — in melancholics, which was 66.7% more (р < 0.001) than in phlegmatics; 54.8% more (р < 0.001) than in animals with average level of aggressive behavior towards animals of the same species — sanguines, and 2.5 times more (р < 0.001) in comparison with animals that showed the maximum level of aggressive behavior towards animals and humans — cholerics. Therefore, it can be concluded that increase in estradiol level contributes to a calmer behavior of Felis catus males in homes.
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About the authors
Alina V. Petryaeva
RUDN University
Email: petryaeva-av@rudn.ru
ORCID iD: 0000-0002-9815-4029
SPIN-code: 6825-2917
teacher of additional education, Department of General Education Disciplines, Institute of the Russian Language
6 Miklukho-Maklaya st., Moscow, 117198, Russian FederationVladimir I. Kuznetsov
RUDN University
Email: kuznetsov-vi@rudn.ru
ORCID iD: 0000-0002-4739-6976
SPIN-code: 5732-8789
Doctor of Medical Sciences, Professor, Professor of the Department of General Medical Practice, Medical Institute
6 Miklukho-Maklaya st., Moscow, 117198, Russian FederationAleksandr V. Tkachev
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
Author for correspondence.
Email: sasha_sashaola@mail.ru
ORCID iD: 0000-0002-7721-5742
SPIN-code: 4852-0353
Doctor of Agricultural Sciences, Senior Researcher, Lecturer, Technological College, Russian State Agrarian University - Moscow Timiryazev Agricultural Academy; Associate Professor, Department of Veterinary Medicine, Agrarian and Technological Institute, RUDN University
14 Pryanishnikova st., bldg. 6, Moscow, 127434, Russian Federation; 6 Miklukho-Maklaya st., Moscow, 117198, Russian FederationOlga L. Tkacheva
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
Email: tkacheva.olga2017@gmail.com
ORCID iD: 0000-0002-5573-6117
SPIN-code: 7638-9512
Candidate of Agricultural Sciences, Lecturer, Technological College
14 Pryanishnikova st., bldg. 6, Moscow, 127434, Russian FederationReferences
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