Records |
Author |
da Cruz, A.B.; Hirata, S.; dos Santos, M.E.; Mendonça, R.S. |
Title |
Show me your best side: Lateralization of social and resting behaviors in feral horses |
Type |
Journal Article |
Year |
2023 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
Volume |
206 |
Issue |
|
Pages |
104839 |
Keywords |
Cerebral lateralization; Drone technology; ; Hemispheric specialization; Horses; Social interactions |
Abstract |
Growing evidence shows a variety of sensorial and motor asymmetries in social and non-social interactions in various species, indicating a lateralized processing of information by the brain. Using digital video cameras on tripods and drones, this study investigated lateralization in frequency and duration of social behavior patterns, in affiliative, agonistic, and resting contexts, in a feral population of horses (Equus ferus caballus) in Northern Portugal, consisting of 37 individuals organized in eight harem groups. Affiliative interactions (including grooming) were more often performed, and lasted longer, when recipients were positioned to the right side. In recumbent resting (animals lying down) episodes on the left side lasted longer. Our results of an affiliative behavior having a right side tendency, provide partial support to the valence-specific hypothesis of Ahern and Schwartz (1979) – left hemisphere dominance for positive affect, affiliative behaviors. Longer recumbent resting episodes on the left side may be due to synchronization. However, in both instances it is discussed how lateralization may be context dependent. Investigating the position asymmetries of social behaviors in feral equids will contribute to a better understanding of differential lateralization and hemispheric specialization from the ecological and evolutionary perspectives. |
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0376-6357 |
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Equine Behaviour @ team @ |
Serial |
6697 |
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Author |
da Cruz, A.B.; Hirata, S.; dos Santos, M.E.; Mendonça, R.S. |
Title |
Show me your best side: Lateralization of social and resting behaviors in feral horses |
Type |
Journal Article |
Year |
2023 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
Volume |
206 |
Issue |
|
Pages |
104839 |
Keywords |
Cerebral lateralization; Drone technology; ; Hemispheric specialization; Horses; Social interactions |
Abstract |
Growing evidence shows a variety of sensorial and motor asymmetries in social and non-social interactions in various species, indicating a lateralized processing of information by the brain. Using digital video cameras on tripods and drones, this study investigated lateralization in frequency and duration of social behavior patterns, in affiliative, agonistic, and resting contexts, in a feral population of horses (Equus ferus caballus) in Northern Portugal, consisting of 37 individuals organized in eight harem groups. Affiliative interactions (including grooming) were more often performed, and lasted longer, when recipients were positioned to the right side. In recumbent resting (animals lying down) episodes on the left side lasted longer. Our results of an affiliative behavior having a right side tendency, provide partial support to the valence-specific hypothesis of Ahern and Schwartz (1979) – left hemisphere dominance for positive affect, affiliative behaviors. Longer recumbent resting episodes on the left side may be due to synchronization. However, in both instances it is discussed how lateralization may be context dependent. Investigating the position asymmetries of social behaviors in feral equids will contribute to a better understanding of differential lateralization and hemispheric specialization from the ecological and evolutionary perspectives. |
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0376-6357 |
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Equine Behaviour @ team @ |
Serial |
6711 |
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Author |
Holzapfel, M.; Wagner, C.; Kluth, G. et al. |
Title |
Zur Nahrungsökologie der Wölfe (Canis lupus) in Deutschland. |
Type |
Journal Article |
Year |
2011 |
Publication |
Beiträge zur Jagd- und Wildforschung |
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Volume |
36 |
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Pages |
117-128 |
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Equine Behaviour @ team @ |
Serial |
6690 |
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Author |
Hoelker, S. |
Title |
Typologie der deutschen Pferdehaltung – Eine empirische Studie mittels Two-Step-Clusteranalyse |
Type |
Journal Article |
Year |
2016 |
Publication |
Berichte über Landwirtschaft Zeitschrift für Agrarpolitik und Landwirtschaft |
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Volume |
94 |
Issue |
3 |
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BMEL |
Place of Publication |
Bonn |
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Equine Behaviour @ team @ |
Serial |
6643 |
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Author |
Imbert, C.; Caniglia, R.; Fabbri, E.; Milanesi, P.; Randi, E.; Serafini, M.; Torretta, E.; Meriggi, A. |
Title |
Why do wolves eat livestock?: Factors influencing wolf diet in northern Italy |
Type |
Journal Article |
Year |
2016 |
Publication |
Biological Conservation |
Abbreviated Journal |
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Volume |
195 |
Issue |
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Pages |
156-168 |
Keywords |
Scat analysis; Feeding ecology; Prey selection; Wolf-human conflicts |
Abstract |
Thanks to protection by law and increasing habitat restoration, wolves (Canis lupus) are currently re-colonizing Europe from the surviving populations of Russia, the Balkan countries, Spain and Italy, raising the need to update conservation strategies. A major conservation issue is to restore connections and gene flow among fragmented populations, thus contrasting the deleterious consequences of isolation. Wolves in Italy are expanding from the Apennines towards the Alps, crossing the Ligurian Mountains (northern Italy) and establishing connections with the Dinaric populations. Wolf expansion is threatened by poaching and incidental killings, mainly due to livestock depredations and conflicts with shepherds, which could limit the establishment of stable populations. Aiming to find out the factors affecting the use of livestock by wolves, in this study we determined the composition of wolf diet in Liguria. We examined 1457 scats collected from 2008 to 2013. Individual scats were genotyped using a non-invasive genetic procedure, and their content was determined using microscopical analyses. Wolves in Liguria consumed mainly wild ungulates (64.4%; in particular wild boar Sus scrofa and roe deer Capreolus capreolus) and, to a lesser extent, livestock (26.3%; in particular goats Capra hircus). We modeled the consumption of livestock using environmental features, wild ungulate community diversity, husbandry characteristics and wolf social organization (stable packs or dispersing individuals). Wolf diet varied according to years and seasons with an overall decrease of livestock and an increase of wild ungulate consumption, but also between packs and dispersing individuals with greater livestock consumption for the latter. The presence of stable packs, instead of dispersing wolves, the adoption of prevention measures on pastures, roe deer abundance, and the percentage of deciduous woods, reduced predation on livestock. Thus, we suggest promoting wild ungulate expansion, the use of prevention tools in pastures, and supporting wolf pack establishment, avoiding lethal control and poaching, to mitigate conflicts between wolf conservation and husbandry. |
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0006-3207 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
6621 |
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Author |
Bandini , E.; Motes-Rodrigo, A.; Steele, M.P.; Rutz, C.; Tennie, C. |
Title |
Examining the mechanisms underlying the acquisition of animal tool behaviour |
Type |
Journal Article |
Year |
2020 |
Publication |
Biology Letters |
Abbreviated Journal |
Biol. Lett. |
Volume |
16 |
Issue |
2020122 |
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Equine Behaviour @ team @ |
Serial |
6660 |
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Author |
Dong, D.; Jones, G.; Zhang, S. |
Title |
Dynamic evolution of bitter taste receptor genes in vertebrates |
Type |
Journal Article |
Year |
2009 |
Publication |
BMC Evolutionary Biology |
Abbreviated Journal |
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Volume |
9 |
Issue |
1 |
Pages |
12 |
Keywords |
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Abstract |
Sensing bitter tastes is crucial for many animals because it can prevent them from ingesting harmful foods. This process is mainly mediated by the bitter taste receptors (T2R), which are largely expressed in the taste buds. Previous studies have identified some T2R gene repertoires, and marked variation in repertoire size has been noted among species. However, the mechanisms underlying the evolution of vertebrate T2R genes remain poorly understood. |
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1471-2148 |
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Equine Behaviour @ team @ Dong2009 |
Serial |
6637 |
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Author |
Janczarek, I.; Stachurska, A.; Kedzierski, W.; Wisniewska, A.; Ryzak, M.; Koziol, A. |
Title |
The intensity of physiological and behavioral responses of horses to predator vocalizations |
Type |
Journal Article |
Year |
2020 |
Publication |
BMC Veterinary Research |
Abbreviated Journal |
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Volume |
16 |
Issue |
1 |
Pages |
431 |
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Abstract |
Predatory attacks on horses can become a problem in some parts of the world, particularly when considering the recovering gray wolf populations. The issue studied was whether horses transformed by humans and placed in stable-pasture environments had retained their natural abilities to respond to predation risk. The objective of the study was to determine the changes in cardiac activity, cortisol concentrations, and behavior of horses in response to the vocalizations of two predators: the gray wolf (Canis lupus), which the horses of the breed studied had coevolved with but not been exposed to recently, and Arabian leopard (Panthera pardus nimr), from which the horses had been mostly isolated. In addition, we hypothesized that a higher proportion of Thoroughbred (TB) horse ancestry in the pedigree would result in higher emotional excitability in response to predator vocalizations. Nineteen horses were divided into groups of 75%, 50% and 25% TB ancestry. The auditory test conducted in a paddock comprised a 10-min prestimulus period, a 5-min stimulus period when one of the predators was heard, and a 10-min poststimulus period without any experimental stimuli. |
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1746-6148 |
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Equine Behaviour @ team @ Janczarek2020 |
Serial |
6624 |
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Author |
Wotschikowsky, U. |
Title |
Wölfe und Jäger in der Oberlausitz |
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Journal Article |
Year |
2007 |
Publication |
Broschüre, Freundeskreis freilebender Wölfe |
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Equine Behaviour @ team @ |
Serial |
6691 |
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Author |
Solmsen, E.-H.; Bathen, M.; Grüntjens, T.; Hempel, E.; Klose, M.; Krüger, K.; Martin, H.; Meyer, A.; Schütte, P.; Vogel, L.; Wiezorek, S.; Wittor, B. |
Title |
Protecting horses against wolves in Germany |
Type |
Journal Article |
Year |
2021 |
Publication |
Carnivore Damage Prevention News |
Abbreviated Journal |
CPDnews |
Volume |
23 |
Issue |
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Pages |
12-19 |
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Equine Behaviour @ team @ |
Serial |
6661 |
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