| Title: | "The physiological reaction of Siberian hamsters (Phodopus sungorus, Cricetidae) to chemical signals of perspective mating partners before and during courtship" |
| Author(s): | Kondratyuk EY; Zadubrovskiy PA; Zadubrovskaya IV; Sakharov AV; |
| Address: | "Institute of Systematics and Ecology of Animals, SB RAS, Novosibirsk 630091, Russia kandy@ngs.ru. Institute of Systematics and Ecology of Animals, SB RAS, Novosibirsk 630091, Russia. Novosibirsk State Pedagogical University, Novosibirsk 6300126, Russia" |
| ISSN/ISBN: | 2046-6390 (Electronic) 2046-6390 (Linking) |
| Abstract: | "In this investigation we assessed the physiological reaction of hamsters in response to chemical signals from potential sexual partners, and also after a private meeting with them, which allowed us to ascertain the type of mating system for this species. The reception of olfactory signals led to an increase in peroxidase activity in the blood for both sexes, indicative of activity of a non-specific line of immune defense in recipients. The increase in blood cortisol level in response to the chemical signals of a partner was only observed in females. Males spent more time near samples of estrous females, with elevated levels of cortisol in the urine. In olfactory tests, an hour after grouping all the individuals in pairs there was a significant increase in blood peroxidase activity, which indicates the reaction of a non-specific link in the immune system of partners. This increase was greater in the pairs with a mutual preference. Females from these pairs demonstrated a substantial decrease in stress hormone levels in the plasma after an hour of mating in comparison to females prior to mating, and in non-preferred coupling" |
| Keywords: | "Animals *Courtship Female Male Phodopus/*physiology *Sex Attractants *Sexual Behavior, Animal Dwarf hamsters Immunological and endocrine status Odor attractiveness Preference of partner;" |
| Notes: | "MedlineKondratyuk, E Yu Zadubrovskiy, P A Zadubrovskaya, I V Sakharov, A V eng England 2021/03/28 Biol Open. 2021 Mar 26; 10(3):bio057570. doi: 10.1242/bio.057570" |
