You’ve got a friend in me: Exploration of personality concepts and validation of common personality tests in dairy cattle
Notice bibliographique
Résumé
Dairy cows play a crucial role in Canada's agricultural sector, with large herd sizes driving high milk production and requiring efficient management strategies.Intensive housing systems optimize productivity but limit natural behaviours, raising welfare concerns.Social enrichment, particularly relevant for these highly gregarious animals, has been proposed to enhance well-being by promoting affiliative behaviours and reducing stress.However, the effectiveness of enrichment may vary among individuals, as cows display consistent behavioural patterns across time and contexts-referred to as personality-which shape their responses to enrichment.Despite growing interest in animal personality, research on dairy cattle remains limited, leaving the relationship between personality and enrichment largely unexplored.The scoping review synthesized existing literature on dairy cattle personality and its influence on responses to social enrichment, where 34 articles were included following PRISMA guidelines.In personality research, traits refer to consistent individual tendencies inferred from observable behaviour, while dimensions represent broader personality constructs formed by grouping related traits.The initial findings indicated that the reviewed articles failed to establish a clear framework linking behaviours to personality traits and organizing them into personality dimensions, overlooking the interdependence and contextual variability of traits.To address this, frameworks were developed based on the relationships identified in the articles, aiming to explore potential links between personality and behaviour.However, due to the limited number of long-term studies, the absence of short-term consistency assessments, and a narrow focus on isolated traits rather than broader personality dimensions, the findings may not be fully valid or reliable for personality identification.Behavioural patterns were rarely measured repeatedly or across varied contexts-both of which are essential for establishing stable personality traits.To further investigate this gap, an experimental study was conducted involving dairy cows, designed to assess the reliability and validity of behavioural tests commonly used to measure animal personality.Five behavioural tests-the Human Approach Test, Sudden Test, Novel Object Test, Open Field Test, and Novel Surface Test-were selected for validation in this animal trial.Their short-and mid-term consistency was assessed across three time periods, with comparisons made to identify consistent behavioural expressions across different contexts.Cows' behavioural reactions to test stimuli were recorded.Our findings suggest that the Sudden Test may be a reliable tool for measuring personality traits, as it demonstrated consistent individual behaviours
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,024 | 0,055 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,002 |
| Bibliométrie | 0,004 | 0,004 |
| Études des sciences et des technologies | 0,001 | 0,001 |
| Communication savante | 0,003 | 0,002 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,001 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,002 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».