Applied Animal Behaviour Science最新文献

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Development of Qualitative Behaviour Assessment (QBA) in farmed fox species and Finnraccoons 养殖狐类和灰浣熊定性行为评价方法的研究进展
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-02-01 Epub Date: 2025-12-05 DOI: 10.1016/j.applanim.2025.106890
Tarja Koistinen , Mika Kurkilahti
{"title":"Development of Qualitative Behaviour Assessment (QBA) in farmed fox species and Finnraccoons","authors":"Tarja Koistinen ,&nbsp;Mika Kurkilahti","doi":"10.1016/j.applanim.2025.106890","DOIUrl":"10.1016/j.applanim.2025.106890","url":null,"abstract":"<div><div>Measures of emotional states have not gained much attention in farmed fox species (blue foxes and silver foxes) and Finnraccoons. This study aims to start the development of Qualitative Behaviour Assessment (QBA), to be later included in to the on-farm welfare assessment scheme, WelFur. To collect the potential QBA terms, two separate expert opinion surveys were carried out. Based on the questionnaire surveys, a fixed list of 26–27 terms (depending on the species) was generated for each species. To test the observer agreement and to investigate potential latent factors describing animal welfare, eleven persons assessed behavioural expressions of the fox species and Finnraccoons from 13 to 15 1–2 min video recordings from commercial farms. The consistency of the use of terms was studied by using Kendall’s coefficient of concordance and the data reduction was carried out by using Principal factor analysis. In all species, the inter-and intra-rater reliabilities of the individual terms were mainly moderate (Kendal W 0.4–0.7). They were interpreted sufficient for proceeding to factor analysis. The factor solutions differed between the species. In blue foxes, the analysis produced factors including all four components of the commonly found model of emotional dimensions describing bipolar valence (positive vs negative) and arousal (low vs high). In silver foxes, negative low arousal dimension was missing and in Finnraccoon, the clear low arousal factor was not divided into positive and negative valence. Besides these dimensions, a factor indicating attentiveness or interaction (with human) was found in both fox species and an incoherent factor in Finnraccoons. The present results show that, the behavioural expressions of farmed fox species and Finnraccoons can be described by using a large variety of terms, and fixed list could be generated out of these terms. The observer agreement in the scoring of the individual terms from videos is at least moderate and the selected terms constitute logical dimensions of animal welfare in the data reduction analysis. The further development of the method requires testing of the vocabulary on farms.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"295 ","pages":"Article 106890"},"PeriodicalIF":2.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145749913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relationship between agonistic behaviour, physical condition and movement patterns of laying hens in aviaries 鸡舍中蛋鸡竞争行为、身体状况与运动模式的关系
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-02-01 Epub Date: 2025-12-05 DOI: 10.1016/j.applanim.2025.106889
Klara J. Grethen , Laura Candelotto , Yamenah Gómez , Michael J. Toscano
{"title":"Relationship between agonistic behaviour, physical condition and movement patterns of laying hens in aviaries","authors":"Klara J. Grethen ,&nbsp;Laura Candelotto ,&nbsp;Yamenah Gómez ,&nbsp;Michael J. Toscano","doi":"10.1016/j.applanim.2025.106889","DOIUrl":"10.1016/j.applanim.2025.106889","url":null,"abstract":"<div><div>Laying hens show inter-individual variation in fighting ability in agonistic interactions. However, in large groups exceeding 100 animals, the impact of this variation remains largely unexplored. In such environments, hens which frequently submit to others, may experience restricted access to resources, potentially leading to compromised health and welfare. Conversely, they may adapt by altering movement patterns to avoid interactions with dominant hens. We investigated how fighting ability relates to the physical condition and movement of hens in large groups in a quasi-commercial aviary system. We observed 36 focal birds (Dekalb White) across six pens, each housing 225 hens. Focal birds were selected from 18 birds per pen based on comb sizes to capture extremes in fighting ability. Social behaviour was observed for two hours per hen at 23, 25, and 27 weeks of age (WoA), and fighting ability was quantified as winning ratio (wins relative to the total of agonistic encounters). Additionally, every 4–7 weeks we assessed the animals’ body weight, keel-bone fracture (KBF) severity, plumage condition and aggressive pecking damage (i.e., comb injuries combined with head and neck plumage condition). A tracking system recorded the movements between the aviary tiers from 22 to 55 WoA (164 days), from which we extracted daily spatial and movement variables. Mixed effects models, incorporating WoA and winning ratio and their interaction as independent variables, were employed for analysis. Results indicated that birds with higher winning ratios were heavier over time than those with a lower ratio, whereas no effect of winning ratio was detected on KBF severity, plumage condition or aggressive pecking damage. Analysis of daily spatial and movement variables revealed that hens with higher winning ratios progressively spent less time on the highest tier. Before 30 WoA, they also travelled greater distances between tiers, suggesting increased space use, particularly in the period shortly after barn population than birds with lower winning rations. These findings suggest that fighting ability may relate to body weight and space-use strategies in large groups, although the mechanisms remain unclear. The observed differences in weight and space-use could reflect restricted access to feed and preferred areas for hens with lower winning ratios, or their active avoidance of agonistic encounters. Alternatively, they may stem from inherent behavioural differences between individuals. Future studies should aim to disentangle potential mechanisms by investigating individual resource access and decision-making in large-group housing systems, to clarify how fighting ability affects long-term welfare in commercial aviary systems.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"295 ","pages":"Article 106889"},"PeriodicalIF":2.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145749912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental enrichment improves behavior and welfare in captive cockatiels 环境富集改善了圈养鹦鹉的行为和福利
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-02-01 Epub Date: 2025-12-04 DOI: 10.1016/j.applanim.2025.106888
Rodrigo Mendes Aguiar , Nicolas Châline , Cristiano Schetini de Azevedo
{"title":"Environmental enrichment improves behavior and welfare in captive cockatiels","authors":"Rodrigo Mendes Aguiar ,&nbsp;Nicolas Châline ,&nbsp;Cristiano Schetini de Azevedo","doi":"10.1016/j.applanim.2025.106888","DOIUrl":"10.1016/j.applanim.2025.106888","url":null,"abstract":"<div><div>Environmental enrichment is widely used to enhance the welfare of captive animals, particularly in cognitively complex species such as parrots. This study experimentally evaluated the behavioral effects of two enrichment categories object-based items and food-based enrichment on captive cockatiels (<em>Nymphicus hollandicus</em>). Forty adult birds were observed across three phases: a 30-day baseline without enrichment (March–April 2023), followed by a 30-day acclimatization period (May 2023), a 30-day enrichment phase (June–July 2023), and a post-enrichment phase after a 30-day latency (September–October 2023). Behavioral data were collected through focal animal sampling and analyzed using generalized linear mixed models. Enrichment reduced stress-related behaviors, with a 58 % decrease in FDB directed to conspecifics (IRR = 0.42, p &lt; 0.001) and a 43 % decrease in self-directed FDB (IRR = 0.57, p = 0.034). While FDB directed to conspecifics reductions persisted post-enrichment, the effect on self-directed FDB did not. Positive behaviors also increased, with greater flight activity during enrichment (IRR = 1.43, p &lt; 0.001) and a significant rise in mating behavior in the post-enrichment phase (IRR = 2.27, p = 0.021). Object-based enrichment items elicited significantly more engagement than food-based ones (p &lt; 0.001). Interindividual variation was notable. Cluster analysis revealed distinct behavioral profiles, ranging from highly responsive to non-responsive individuals. These results reveal substantial interindividual variation, suggesting that birds differ in their responsiveness to enrichment. Overall, enrichment reduced stress-related behaviors and promoted behavioral flexibility, as evidenced by the capacity of individuals to adjust their activity patterns in response to changing environmental conditions. These findings support the use of tailored enrichment protocols to enhance the welfare of captive psittacines.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"295 ","pages":"Article 106888"},"PeriodicalIF":2.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145749914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Behaviour and spatial distribution of rainbow trout (Oncorhynchus mykiss) in experimental tanks: Influence of water flow and husbandry procedures 虹鳟(Oncorhynchus mykiss)在实验池中的行为和空间分布:水流和饲养程序的影响
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-02-01 Epub Date: 2025-12-07 DOI: 10.1016/j.applanim.2025.106892
Martina Bortoletti , Miina Lõoke , Francesco Pascoli , Gaia Bacchin , Andrea Meloni , Anna Broseghini , Daniela Bertotto , Paolo Mongillo , Lieta Marinelli
{"title":"Behaviour and spatial distribution of rainbow trout (Oncorhynchus mykiss) in experimental tanks: Influence of water flow and husbandry procedures","authors":"Martina Bortoletti ,&nbsp;Miina Lõoke ,&nbsp;Francesco Pascoli ,&nbsp;Gaia Bacchin ,&nbsp;Andrea Meloni ,&nbsp;Anna Broseghini ,&nbsp;Daniela Bertotto ,&nbsp;Paolo Mongillo ,&nbsp;Lieta Marinelli","doi":"10.1016/j.applanim.2025.106892","DOIUrl":"10.1016/j.applanim.2025.106892","url":null,"abstract":"<div><div>Rainbow trout (<em>Oncorhynchus mykiss</em>) is increasingly employed as an experimental model, yet knowledge of its behaviour in laboratory settings is limited. This study examined short-term (24 h), mid-term (1 week), and circadian changes in behavioural and spatial patterns of individually-housed trout under two experimental conditions differing in the extent of underwater current: control <em>vs</em> water flow. Moreover, the effects of feeding and tank cleaning were evaluated to identify potential behavioural indicators of welfare of the species in this context. Short-term effects revealed that flow rate impacted on swimming behaviour, with trout showing less species-specific behavior in the absence of water flow. Over time, trout exhibited a marked reduction of behavioral expression, interpretable as behavioural stabilization but likely reflecting suboptimal welfare. Trout behaviors were affected by the day time being less active in mornings. Event-related findings indicated an increased in active behaviors and a decrease in maintenance behaviours after both husbandry procedures, with that of cleaning being more pronounced and lasting remarkably longer, suggesting that the two reactions were fundamentally different. This study highlights the need to critically evaluate behavioural expression, and the need to provide species-specific husbandry conditions. We also provide foundational insights into rainbow trout behaviour valuable for refining research practices and improving welfare assessment of this experimental fish.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"295 ","pages":"Article 106892"},"PeriodicalIF":2.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145748959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Invasive catfish detection with scent detection dogs 用嗅探犬进行入侵式鲶鱼探测
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-11-27 DOI: 10.1016/j.applanim.2025.106872
Renee Denby , Lauren Hopkins , Lauren Little , Grant W. Tempero , Clare Browne , Melissa Collins , Nicholas Ling , Timothy L. Edwards
{"title":"Invasive catfish detection with scent detection dogs","authors":"Renee Denby ,&nbsp;Lauren Hopkins ,&nbsp;Lauren Little ,&nbsp;Grant W. Tempero ,&nbsp;Clare Browne ,&nbsp;Melissa Collins ,&nbsp;Nicholas Ling ,&nbsp;Timothy L. Edwards","doi":"10.1016/j.applanim.2025.106872","DOIUrl":"10.1016/j.applanim.2025.106872","url":null,"abstract":"<div><div>Dogs have been demonstrated to be capable detectors of some aquatic species. However, taking dogs into the field for aquatic species detection is not always practical. A recently developed system that involves bringing water samples from the field into a laboratory environment to be evaluated by dogs has shown promise for koi carp (<em>Cyprinus rubrofuscus</em>) detection. In the present study, we replicated these methods to evaluate dogs’ ability to detect brown bullhead catfish (<em>Ameiurus nebulosus</em>). In Experiment 1, we evaluated the dogs’ detection thresholds for catfish detection and determined that they can detect the presence of catfish at operationally useful biomass concentrations in dechlorinated municipal water. To be operationally feasible, samples taken from field sites would need to be preserved between collection and evaluation. Therefore, in Experiment 2, we examined the influence of two water preservation methods, refrigeration and freezing, and found no evidence of any deleterious effect of either method on dogs’ catfish-detection performance. In Experiment 3, we evaluated the dogs’ performance when working with water from natural water sources and, therefore, containing other volatile organic compounds. Under these conditions, dogs were capable of accurately classifying samples at low biomass concentrations, similar to their performance in Experiment 1. These findings strengthen the evidence for the utility of this system for monitoring waterbodies for incursions of a variety of invasive aquatic species.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"294 ","pages":"Article 106872"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145621646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing stress in dogs during saliva sampling in socio-psychological research: Preliminary development of animal-friendly practical procedures 在社会心理学研究唾液取样中评估狗的压力:动物友好实用程序的初步发展
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-11-10 DOI: 10.1016/j.applanim.2025.106868
Natalia Treder-Rochna , Elżbieta Chruściel , Magdalena Anita Gajewska , Alicja Dziadosz-Brzezińska , Lucyna Januszewska , Magdalena Żadkowska
{"title":"Assessing stress in dogs during saliva sampling in socio-psychological research: Preliminary development of animal-friendly practical procedures","authors":"Natalia Treder-Rochna ,&nbsp;Elżbieta Chruściel ,&nbsp;Magdalena Anita Gajewska ,&nbsp;Alicja Dziadosz-Brzezińska ,&nbsp;Lucyna Januszewska ,&nbsp;Magdalena Żadkowska","doi":"10.1016/j.applanim.2025.106868","DOIUrl":"10.1016/j.applanim.2025.106868","url":null,"abstract":"&lt;div&gt;&lt;div&gt;This study evaluates the procedure for collecting saliva to measure salivary cortisol levels in dogs, focusing on the potential stress induced by saliva collection in unfamiliar experimental settings. While salivary cortisol measurement is widely regarded as a non-invasive method for assessing stress in dogs, limited data exist on whether the procedure itself may cause discomfort or stress. By addressing this gap, the study aims to explore welfare-related challenges in interdisciplinary research involving non-human subjects and to contribute preliminary insights toward the development of animal-friendly, standardized methodologies. In addition, it sheds light on the organization of an interspecies study involving both human and non-human actors. The study included 19 companion dogs of various breeds, sizes, and temperaments to ensure diverse representation. Saliva samples were collected from dogs during sociological and psychological interviews, with salivary cortisol levels analyzed at the beginning and end of the session. A standardized saliva collection procedure was employed using SalivaBio Children’s Swabs (Salimetrics, State College, PA, USA). The swabs were placed under the dog’s tongue or inside the cheek pouch for approximately two minutes. The procedure was conducted in a controlled environment (a therapy room at the Institute of Psychology) to minimize external stressors. Salivary cortisol concentrations were measured using an enzyme-linked immunosorbent assay (ELISA). Behavioral observations were conducted via video recordings and analyzed by a zoopsychologist using Capra’s Ethogram (2012) as a reference framework. A total of 38 video recordings were analyzed to assess stress-related behaviors. The findings revealed that, while most dogs displayed mild to moderate stress during saliva collection, no extreme stress reactions were observed. Caregiver presence seemed to play a role in reducing visible signs of stress, with emotional support potentially mitigating dogs’ behavioral discomfort. However, these findings are based on qualitative observations and warrant further empirical investigation. Key challenges included variability in saliva production and occasional gum bleeding, which may exclude some samples from the analysis. These factors should be considered when designing future studies. Despite these challenges, salivary cortisol measurement proved to be a reliable and minimally invasive tool for assessing stress, especially when combined with behavioral observations to contextualize physiological data. This study underscores the necessity of standardized protocols that prioritize animal welfare, offering valuable insights to refine research methodologies and deepen our understanding of canine stress responses. Overall, the study proposes a protocol for saliva collection adapted for social science research involving dogs, with an innovative, structured preparatory stage designed to enhance animal comfort and minimize st","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"294 ","pages":"Article 106868"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145577886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of melatonin on the thermoregulatory and behavioural responses of donkeys in an open field subjected to heat and packing stresses 褪黑素对热应激条件下开放性驴的体温调节和行为反应的影响
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-11-24 DOI: 10.1016/j.applanim.2025.106871
Ayodele Stephen AKE, Joseph Olusegun AYO
{"title":"The effect of melatonin on the thermoregulatory and behavioural responses of donkeys in an open field subjected to heat and packing stresses","authors":"Ayodele Stephen AKE,&nbsp;Joseph Olusegun AYO","doi":"10.1016/j.applanim.2025.106871","DOIUrl":"10.1016/j.applanim.2025.106871","url":null,"abstract":"<div><div>Pack donkeys are kept predominantly in the open field without any shelter in most tropical and subtropical countries. The study aimed to investigate the effects of melatonin administration on the thermoregulatory and behavioural responses in donkeys kept in the open field and subjected to packing (load-carrying) during hot-humid conditions. Eighteen Nubian pack donkeys served as subjects. They were divided randomly into two groups of nine animals each. Group 1 donkeys were administered melatonin orally pre-packing and subjected to packing (P + M), while Group 2 donkeys only carried load without pre-administration of melatonin (P only). Meteorological parameters were recorded pre- and post-packing concurrently with the measurement of rectal temperature (RT), body surface temperature, and respiratory and heart rates. Behavioural activities were recorded post-packing using the animal focal method for 1 h. The values of the meteorological parameters were higher (P &lt; 0.05) post-packing. The RT value obtained pre-packing was significantly (P &lt; 0.05) lower in the P + M donkeys, compared with that recorded in P only donkeys. The frequencies of grooming and walking in P + M donkeys significantly (P &lt; 0.05) reduced compared to the values recorded in donkeys without administration of melatonin. In conclusion, the administration of melatonin pre-packing to donkeys kept in the open field significantly (P &lt; 0.05) reduced the pre-packing RT value, and the duration and frequency of grooming and walking post-packing. Pre-packing administration of melatonin reduced the negative effects of heat stress on the behavioural and thermoregulatory responses of the donkeys during the hot-humid conditions.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"294 ","pages":"Article 106871"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145621647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Companionship counts: Investigating social housing conditions and welfare in privately owned rabbits 陪伴计数:调查社会住房条件和福利在私人拥有的兔子
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-11-07 DOI: 10.1016/j.applanim.2025.106864
Cecilie Ravn Skovlund , Niels Munch Corneliussen , Laura Benoni Kofod , Isabella Thybo Mejlstrup , Peter Sandøe , Björn Forkman
{"title":"Companionship counts: Investigating social housing conditions and welfare in privately owned rabbits","authors":"Cecilie Ravn Skovlund ,&nbsp;Niels Munch Corneliussen ,&nbsp;Laura Benoni Kofod ,&nbsp;Isabella Thybo Mejlstrup ,&nbsp;Peter Sandøe ,&nbsp;Björn Forkman","doi":"10.1016/j.applanim.2025.106864","DOIUrl":"10.1016/j.applanim.2025.106864","url":null,"abstract":"<div><div>Rabbits are among the most popular companion animals. Despite being a social species, most companion rabbits are solitary housed due to challenges with pairing and cohabitation, which may compromise their welfare. This study therefore aimed to investigate the effects of social housing (solitary vs. social) and dyadic relationships (using a Friendship Index derived from rates of allogrooming and contact) on rabbit welfare. Moreover, dyad-related factors (sex combination, age difference, life stage combination, early socialisation, and neuter status) and resource-related factors (group size, spatial availability, enrichment, raised platforms, and visual barriers) previously linked to social dynamics in farmed and laboratory rabbits, were examined for their impact on dyadic relationships. This was assessed through behavioural observations based on home-pen videos collected by owners (in the morning, 5–10 a.m., and evening, 5–10 p.m.), using behavioural welfare indicators for rabbits. Linear and generalized linear mixed effects models were used to assess welfare outcomes and relationship indices, with ‘owner’ as a random effect. Video material of 122 rabbits from 74 owners were analysed, with approximately five hours per rabbit. Socially housed rabbits spent 21 % of scans in contact and 75 % in proximity to conspecifics. Agonistic interactions were rare. Solitary rabbits expressed significantly less behavioural diversity (P = 0.02) and more awake inactivity (P = 0.04) than socially housed rabbits, indicating improved welfare for the latter group. However, solitary rabbits spent significantly more time on environmental interaction (P = 0.03), plausibly due to their inability to socialise. A higher age difference was found to be significantly associated with a reduced Friendship Index (P = 0.002). Minimising the age difference may therefore be considered for future recommendations regarding pairing of companion rabbits. No significant effects of dyadic relationships on welfare were found; however the sample was biased towards positive relationships. The large housing space available to the rabbits may have contributed to the low level of agonistic behaviour and positive dyadic relationships. In summary, statistical inferences were hindered by data homogeneity and zero-inflation, likely due to convenience sampling, along with a lack of evidence-based welfare indicators for rabbits. Future studies should investigate optimal observation times and durations, as well as assess validity, reliability, and feasibility of existing behavioural welfare indicators for rabbits. Despite methodological limitations, this study provides insights into the social environment and welfare of companion rabbits, emphasizing the benefits of social housing and the potential advantages of minimizing age differences in rabbit dyads.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"294 ","pages":"Article 106864"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145577961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Old neighbours, long-lost siblings, and total strangers: Social environment impacts on headstart tortoise behaviours 老邻居、失散多年的兄弟姐妹和完全陌生的人:社会环境对乌龟行为的影响
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-11-13 DOI: 10.1016/j.applanim.2025.106869
Jeffrey M. Goessling, Gabriel Weikert, Liza Conrad, Michael L. Hilton
{"title":"Old neighbours, long-lost siblings, and total strangers: Social environment impacts on headstart tortoise behaviours","authors":"Jeffrey M. Goessling,&nbsp;Gabriel Weikert,&nbsp;Liza Conrad,&nbsp;Michael L. Hilton","doi":"10.1016/j.applanim.2025.106869","DOIUrl":"10.1016/j.applanim.2025.106869","url":null,"abstract":"<div><div>Studies concerning the social behaviours of non-avian reptiles have generally lagged behind other taxa, yet many reptiles are among the most globally threatened animal groups, and their behaviours are key to conservation successes. Herein, we utilized a captive-reared cohort of headstart Gopher Tortoises (<em>Gopherus polyphemus</em>) to test if these animals first discern soil type by social familiarity and/or tortoise exposure and then we tested how social familiarity and sibling status affected social behaviours between individuals. We found that headstart Gopher Tortoises preferentially chose familiar soil over soil that had never been in contact with a Gopher Tortoise, but they also preferred soil that had been in contact with non-familiar individuals over familiar soil. Tortoises displayed the social behaviour of sniffing disproportionately to non-familiar individuals, regardless of sibling status, over familiar individuals. Other social behaviours of nipping, chasing, headbobbing, and colliding were performed independently of social familiarity or sibling status. Taken together, this set of experiments demonstrates that Gopher Tortoises have a high degree of social nuance that is built upon familiarity, and these results could have direct effects on how to optimize headstarting protocols for restoring wild populations.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"294 ","pages":"Article 106869"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145577993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Highlights of published papers in Applied Animal Behaviour Science in 2025 《应用动物行为科学》2025年发表论文摘要
IF 2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2026-01-01 Epub Date: 2025-12-31 DOI: 10.1016/j.applanim.2025.106909
Péter Pongrácz, Irene Camerlink
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