Social behaviour of buffalo heifers during the establishment of a dominance hierarchy

Madella-Oliveira, Aparecida de Fátima; Quirino, C. R.; Ruiz‐Miranda, Carlos R.; Fonseca, Francisco Aloizio

doi:10.1016/j.livsci.2012.02.025

Cited by 9 publications

(4 citation statements)

References 20 publications

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“…Self-groom, or broadly, self-directed behaviour in animals, is a widely used indicator of stress-related responses, contributed by social (e.g., hierarchical group structure) or non-social (e.g., presence of ectoparasites) factors 48,87–89 . Finally, avoiding (specific) conspecifics can be attributed to the hierarchical social structure of buffalo (see 90 ), which may help reduce conflicts, competition and disease transmission within the herd 91 . However, counterintuitively, approach behaviour positively co-varied with self-groom and avoidance (of conspecifics), indicating aspects of both sociability and tension.…”

Section: Discussionmentioning

confidence: 99%

Personality homophily drives female friendships in a feral ungulate

Bhattacharjee,

Flay,

McElligott

2024

Preprint

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Friendships, exhibited by both humans and non-human animals, have considerable adaptive benefits. In humans, similarity or homophily in personality is considered a proximate mechanism driving friendships, yet little is known about the behavioural ‘decision rules’ underlying animal friendships. Some empirical research suggests that animal friendships can be driven by personality homophily. However, these studies are restricted to non-human primates, limiting our understanding of the mechanisms of friendships. We investigated a feral population of water buffalo (Bubalus bubalis) to determine whether homophily in personality drives friendships in this ‘non-model’ social species in free-ranging environmental conditions. We conducted observations on females (n=30), and assessed their friendships and personalities. Close spatial proximity served as a behavioural indicator of friendship, validated by affiliative body contact. An objective ‘bottom-up’ method revealed three personality traits –social tension,vigilance, andgeneral dominance. We found that females with comparatively lower personality differences in social tension and general dominance traits exhibited significantly higher close spatial associations. Our findings show that friendships in buffalo can form based on personality homophily, a decision rule attributed predominantly to primates. We discuss these findings in light of buffalo socioecology but emphasise their implications in the broader evolutionary context of animal personalities and friendships.

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Section: Discussionmentioning

confidence: 99%

Personality homophily drives female friendships in a feral ungulate

Bhattacharjee,

Flay,

McElligott

2024

Preprint

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“…The local indices were the centralities of the vertices, such as the degree, closeness, betweenness, and eigenvector centrality. These indices quantify different aspects of an individ-ual's position within the network (Makagon et al, 2012). The definition, interpretation, and mathematical formulae of all global and local indices are presented in Table 1.…”

Section: Indices Of the Networkmentioning

confidence: 99%

Proximity patterns in water buffaloes' activities on pasture

et al. 2020

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Abstract. Water buffaloes are considered social animals and perform several activities on pasture, such as grazing, moving, standing, ruminating, wallowing, lying, and drinking. However, the way these animals form their social structure in the herd during each one of these activities is still unknown. Literature for water buffaloes has focused mainly on their productive characteristics, impact of grazing on wetlands and behavior during grazing but failed to address the way these animals form their social organization during their activities on pasture. In this study, the tools of social network analysis are used to analyze, detect, and depict the proximity patterns in water buffaloes' activities on pasture and the effect of their age and gender on them. We describe and interpret a series of global and local network indices, and show that the water buffaloes differentiate their social structure in their activities on pasture and that the animals' age and gender affect their interacting patterns, and provide a framework for the application of social network analysis on grazing animals' social behavioral studies. We expect that this framework could be used in future research to provide information regarding the social structure of other kinds of animals that graze in different forage and climatic environments and help animal breeders to improve their management practices.

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“…Se considera lineal una jerarquía con índice de Landau superior a 0.9, en grupos de animales machos (17,18) , como en grupos de cabríos estabulados, los cuales presentan una clara gradación jerárquica, con linealidades de 0.92 y 0.99 (25) y en grupos de borregas existe una estructura social significativamente jerárquica (26) . En el caso de vaquillas de búfalo, se presenta del 55.24 % de dominancia unidireccional en pastizales grandes y del 54 al 63 % de dominancia unidireccional en pequeños pastizales, clasificando a los grupos como jerarquía semi-lineal (27) . Cabe señalar que no existe reporte de rangos jerárquicos en grupos mixtos de ovinos en condiciones de pastoreo.…”

Section: Pruebas De Dominanciaunclassified

Importance of sheep social hierarchy on feeding behavior and parasite load in silvopastoral and grass monoculture grazing systems

Flota-Bañuelos

Rivera-Lorca²,

Candelaria-Martinez³

2019

Rev. Mex. Cienc. Pecu.

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Para determinar la relación entre el nivel jerárquico, preferencias por forraje y parasitismo de ovinos en dos sistemas de pastoreo (sistema silvopastoril: SSP y monocultivo de pasto estrella: PE). Se utilizaron 11 ovinos de la raza pelibuey mantenidos en pastoreo diurno, a los cuales se les aplicó pruebas de jerarquía social para obtener el índice de dominancia, pruebas de selectividad de especies vegetales forrajeras (C. nlemfuensis, L. leucocephala, G. sepium, G. ulmifolia y H. rosa-sinensis), análisis parasitario en heces (huevecillos por gramo de heces: hpg) y determinación de hematocrito (ht). Se observó una jerarquía no lineal con dominancia lineal y bidireccional para los grupos de h=0.75 en el SSP y h=0.5 en PE. Los ovinos más dominantes presentaron mayor cantidad de conductas agresivas (F1, 21=0.65256, P=0.000154) y menor carga parasitaria (rs=-0.909091, p=0.05) en el SSP y PE (rs=-0.727273, p=0.05). Los ovinos del SSP tuvieron preferencia por C. nlemfuensis, pero los animales que consumieron más follaje de L. leucocephala presentaron mayor nivel de hematocrito (rs=0.694269, P= 0.05). Concluimos que los ovinos con mayor índice de dominancia que pastorearon en el sistema silvopastoril y en potreros con pasto estrella, tuvieron menores cargas parasitarias y que el pastoreo en sistemas silvopastoriles ofrece a los ovinos el consumo de follaje de especies arbóreas y arbustivas, que promueve la capacidad de resistir cargas parasitarias elevadas y mantener niveles estables de hematocrito independientemente de su nivel jerárquico dentro del grupo.

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Social behaviour of buffalo heifers during the establishment of a dominance hierarchy

Cited by 9 publications

References 20 publications

Personality homophily drives female friendships in a feral ungulate

Personality homophily drives female friendships in a feral ungulate

Proximity patterns in water buffaloes' activities on pasture

Importance of sheep social hierarchy on feeding behavior and parasite load in silvopastoral and grass monoculture grazing systems

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