Inter-relationship of behaviour, faecal testosterone levels and glandular volatiles in determination of dominance in male Blackbuck

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dc.contributor.authorRajagopal, Thangavelen_US
dc.contributor.authorPonmanickam, Ponnirulen_US
dc.contributor.authorChinnathambi, Arunachalamen_US
dc.contributor.authorPadmanabhan, Parasuramanen_US
dc.contributor.authorGulyas, Balazsen_US
dc.contributor.authorArchunan, Govindarajuen_US
dc.date.accessioned2020-01-02T06:32:16Z
dc.date.available2020-01-02T06:32:16Z
dc.date.issued2018-11
dc.description.abstractThe social hierarchy of blackbuck plays a crucial role in mate selection and establishment of hierarchy in order to maintain successful reproduction. The factors that influence dominancy have not been yet investigated in the Indian male blackbuck. Here, we investigated the interrelationships between behaviours (aggressive and scent marking), chemical profiles of preorbital gland secretion and faecal testosterone levels in male blackbuck with special reference to dominance hierarchy. The frequency of aggressive behaviour, preorbital gland scent marking behaviour and faecal testosterone level were significantly higher (P <0.001) in the dominant males than the other males. Among the 43 major volatile compounds identified in the pre-orbital gland posting of dominant and subordinate male Blackbucks, four compounds viz., 2-methyl propanoic acid (I), 2-methyl-4-heptanone (II), 2,7-dimethyl-1-octanol (III) and 1,15-pentadecanediol (IV) were present only in the preorbital gland post of the dominant male during the hierarchy period. The results suggest that male blackbuck preorbital gland marking behaviour is meant to defend the home range or territorial region, and the scent odour suppresses aggression, scent marking, scent production and territorial patrolling of subordinate males. The behavioural expression, level of testosterone and volatile chemical profiles are closely interlinked towards establishment of dominance in the blackbuck. This investigation is the first of its kind to detect establishment of dominance hierarchy based on identification of volatile chemical compounds of preorbital gland and assessment of faecal testosterone in blackbuck.en_US
dc.identifier.affiliationsPheromone Technology Lab, Department of Animal Science, Bharathidasan University, Tiruchirappalli-620 024, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsDepartment of Zoology and Microbiology, Thiagarajar College (Autonomous), Madurai-625 009, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsDepartment of Zoology, Ayya Nadar Janaki Ammal College (Autonomous), Sivakasi 626 124, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsDepartment of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia-11451en_US
dc.identifier.affiliationsLee Kong Chian School of Medicine, Nanyang Technological University, Singapore-637553en_US
dc.identifier.citationRajagopal Thangavel, Ponmanickam Ponnirul, Chinnathambi Arunachalam, Padmanabhan Parasuraman, Gulyas Balazs, Archunan Govindaraju. In vitro and in vivo antiestrogenic effects of dichloromethane-methanol extract of Crateva adansonii DC.. Indian Journal of Experimental Biology. 2018 Nov; 56(11): 795-802en_US
dc.identifier.issn0975-1009
dc.identifier.issn0019-5189
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/191003
dc.languageenen_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.relation.issuenumber11en_US
dc.relation.volume56en_US
dc.source.urihttps://nopr.niscair.res.in/handle/123456789/45347en_US
dc.titleInter-relationship of behaviour, faecal testosterone levels and glandular volatiles in determination of dominance in male Blackbucken_US
dc.typeJournal Articleen_US
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