Addressing Combative Behaviour in Spanish Bulls by Measuring Hormonal Indicators

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dc.contributor.authorIllera Del Portal, Juan Carlos
dc.contributor.authorJiménez Blanco, Francisco Javier
dc.contributor.authorCentenera Rozas, Luis Alberto
dc.contributor.authorGil Cabrera, Fernando
dc.contributor.authorCrespo, Belén
dc.contributor.authorLópez, Paula Rocío
dc.contributor.authorSilván Granado, Gema
dc.contributor.authorCáceres Ramos, Sara Cristina
dc.date.accessioned2024-05-17T17:12:03Z
dc.date.available2024-05-17T17:12:03Z
dc.date.issued2024-04-22
dc.description2022 Descuento MDPI
dc.description.abstractThe fighting bull is characterised by its natural aggressiveness, but the physiological mechanisms that underlie its aggressive behaviour are poorly studied. This study determines the hormonal component of aggressiveness in fighting bulls by analysing their behaviour during a fight and correlating it to their serotonin, dopamine and testosterone levels. We also determine whether aggressive behaviour can be estimated in calves. Using 195 animals, samples were obtained when the animals were calves and after 5 years. Aggressiveness scores were obtained by an observational method during bullfights, and serotonin, dopamine and testosterone levels were determined in all animals using validated enzyme immunoassay kits. The results revealed a strong correlation of serotonin and dopamine levels with aggressiveness scores in bulls during fights, but no correlation was found with respect to testosterone. These correlations led to established cut-off point and linear regression curves to obtain expected aggressiveness scores for calves at shoeing. There were no significant differences between the expected scores obtained in calves and the observed scores in bulls. Therefore, this study demonstrates that hormone determination in calves may be a great indicator of combativeness in bulls and can reliably be used in the selection of fighting bulls.
dc.description.abstractSimple Summary: Aggressiveness in fighting bulls is a natural characteristic of this breed, but little is known regarding it physiological mechanisms. Hormones such as serotonin, dopamine and testosterone are known to be involved in the development of aggressive behaviour. This study determines that serotonin and dopamine levels are correlated with combative behaviour, and its determination in calves is a useful indicator for the selection of combative bulls.
dc.description.departmentSección Deptal. de Fisiología (Veterinaria)
dc.description.facultyFac. de Veterinaria
dc.description.fundingtypeDescuento UCM
dc.description.refereedTRUE
dc.description.statuspub
dc.identifier.citationIllera, J.C.; Jimenez-Blanco, F.; Centenera, L.; Gil-Cabrera, F.; Crespo, B.; Lopez, P.R.; Silvan, G.; Caceres, S. Addressing Combative Behaviour in Spanish Bulls by Measuring Hormonal Indicators. Vet. Sci. 2024, 11, 182. https://doi.org/ 10.3390/vetsci11040182
dc.identifier.essn2306-7381
dc.identifier.officialurlhttps://doi.org/10.3390/vetsci11040182
dc.identifier.pmid38668449
dc.identifier.relatedurlhttps://www.mdpi.com/journal/vetsci
dc.identifier.urihttps://hdl.handle.net/20.500.14352/104185
dc.issue.number182
dc.journal.titleVeterinary Sciences
dc.language.isoeng
dc.page.final21
dc.page.initial1
dc.publisherMDPI
dc.rightsAttribution 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject.cdu636.09:612
dc.subject.keywordFighting bull
dc.subject.keywordSerotonin
dc.subject.keywordDopamine
dc.subject.keywordTestosterone
dc.subject.ucmFisiología veterinaria
dc.subject.unesco3109.09 Fisiología
dc.titleAddressing Combative Behaviour in Spanish Bulls by Measuring Hormonal Indicators
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number11(4)
dspace.entity.typePublication
relation.isAuthorOfPublication2d3d8cb3-0137-4029-a686-a5ce55d34aa4
relation.isAuthorOfPublicationffc2e62a-5803-4884-8f0d-1541d9c5e1cd
relation.isAuthorOfPublication0572736b-a8e3-40a1-9d3e-1654e35a7776
relation.isAuthorOfPublication.latestForDiscovery2d3d8cb3-0137-4029-a686-a5ce55d34aa4
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