Applied Animal Behaviour Science最新文献

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Validation of qualitative behaviour assessment for dairy cows at pasture
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2024.106489
L. Aubé , M.M. Mialon , I. Veissier , A. de Boyer des Roches
{"title":"Validation of qualitative behaviour assessment for dairy cows at pasture","authors":"L. Aubé ,&nbsp;M.M. Mialon ,&nbsp;I. Veissier ,&nbsp;A. de Boyer des Roches","doi":"10.1016/j.applanim.2024.106489","DOIUrl":"10.1016/j.applanim.2024.106489","url":null,"abstract":"<div><div>Qualitative Behaviour Assessment (<strong>QBA</strong>) has been validated as a measure of emotional state in dairy cows kept indoors. We investigated the validity of QBA as a measure of emotional state of cows at pasture. We focused on intra- and inter-observer reliability and the selectivity of QBA. First, 5 observers watched 20 videos of dairy cows at pasture 4 times (resulting in 400 observations). The observers performed QBA using the fixed list of 20 terms proposed in Welfare Quality. The first axis of the principal component analysis performed on these observations represented emotional valence (<strong>PC1</strong>, from irritable to content) and a second axis represented arousal (<strong>PC2</strong>, from calm to active). Kendall's concordance coefficients (<strong>W</strong>) and intraclass correlation coefficients (<strong>ICC</strong>) within and between observers were calculated for PC1 and PC2. Intra-observer reliability was mainly high (KW &gt; 0.75 and ICC &gt; 0.75), except for 3 observers during the first session for PC1, for whom reliability was moderate. Inter-observer reliability was low to moderate for PC1 and moderate to high for PC2. Second, two observers performed live QBA on a herd of cows at pasture during 3 contexts designed to induce different emotional valences and arousal levels: <strong>AM</strong>, in the morning after milking (when cows are active); <strong>PM</strong>, in the afternoon before milking (when cows are mainly resting); and during handling to collect cows at pasture for afternoon milking (when cows may be stressed). The effect of context on PC1 and PC2 was investigated using linear mixed effects models. AM and PM contexts had higher scores on PC1 than handling context, indicating a more positive emotional state during AM and PM than during handling. PM context had lower scores on PC2 than AM and handling contexts. Thus, QBA at pasture was able to discriminate between contexts that should differ in emotional valence and arousal. Thirdly, an observer assessed the behavioural responses of cows to handling by direct observations followed by QBA. Pearson correlation coefficients were calculated between the number of behavioural responses and the coordinates on PC1 and PC2. The more cows were observed trotting, the more the cow's mood was perceived as negative (r = -0.71) and the more cows were observed galloping and turning, the more the cow was perceived as excited (r = 0.77 and 0.60). In conclusion, the QBA appears to be a valid measure of the emotional and arousal state of dairy cows at pasture, but inter-observer reliability could be improved.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106489"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143162379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating the motivations of repetitive barrier interactions in Pogona vitticeps
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2024.106484
Melanie Denommé, Glenn J. Tattersall
{"title":"Investigating the motivations of repetitive barrier interactions in Pogona vitticeps","authors":"Melanie Denommé,&nbsp;Glenn J. Tattersall","doi":"10.1016/j.applanim.2024.106484","DOIUrl":"10.1016/j.applanim.2024.106484","url":null,"abstract":"<div><div>Considerable research has demonstrated that the effective management of repetitive behaviours such as bar-biting and pacing relies upon understanding their motivations; however, this same research has revealed that repetitive behaviours can have a diverse array of motivations. In reptiles, repetitive behaviours commonly manifest as persistent interactions with the barriers of the enclosure (hereafter IWB). It is typically assumed that IWB indicates a motivation to escape the enclosure, but this has not been investigated; consequently, this assumption is the hypothesis of this article. Two predictions followed from this: IWB should be biased towards known and visible escape routes and should be associated with other factors that may increase a lizards’ motivation to escape. We found that within their enclosures, lizards performed IWB for longer on the only known escape route. Furthermore, when this area was made partially opaque, IWB was biased towards the remaining transparent portion. However, the association of IWB with other factors was less clear. IWB was strongly associated with defecation, but the cause-and-effect of this relationship was unclear. In addition, IWB was not associated with feeding, although this may be related to the generally sedentary life histories of <em>P. vitticeps</em>. Finally, female lizards performed more IWB than males during the breeding season, but the opposite was predicted based on the movement patterns of wild <em>P. vitticeps</em>; this may reflect that IWB is related to the motivation to gain certain resources, but not necessarily to be active. In conclusion, there was evidence that IWB was related to a motivation to escape the enclosure, but as with other research, we found that IWB had diverse motivations that are linked to the animal’s life history.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106484"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143162378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of the presence of a human on frustration in domestic dogs: Is there a social buffering phenomenon?
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106503
Marina Victoria Dzik , Magdalena Jousset , Juan Vietti , Mariana Bentosela
{"title":"Effects of the presence of a human on frustration in domestic dogs: Is there a social buffering phenomenon?","authors":"Marina Victoria Dzik ,&nbsp;Magdalena Jousset ,&nbsp;Juan Vietti ,&nbsp;Mariana Bentosela","doi":"10.1016/j.applanim.2025.106503","DOIUrl":"10.1016/j.applanim.2025.106503","url":null,"abstract":"<div><div>Dogs and humans form close bonds, and the interaction between them produces numerous benefits. Among these, it has been observed in various situations that humans can reduce dogs' stress behaviors, generating a social buffering effect. Frustration induced by the omission of an expected reward has characteristics similar to stress. The aim of this study was to evaluate whether the presence of the owner or a stranger attenuated the frustration response during the extinction of a previously reinforced behavior, comparing both groups with a third group where the dog remained alone. To this end, a task was used where dogs had to gaze at the experimenter’s face to obtain food that was visible but out of their reach. The results indicate that dogs showed more frustration responses when they did not receive food compared to the reinforced phases. Additionally, the presence of the owner reduced these frustration responses during the non-reinforced phases. In this group a greater persistence in gazing at the experimenter was also observed, showing a lower frustration response. These data suggest that the presence of the owner had a mitigating effect on frustration in response to the omission of reinforcement. Furthermore, the dogs gazed more at the experimenter in the presence of the owner than in the presence of a stranger, even during the reinforced phases, which could suggest a performance-facilitating effect during the task caused by the owner. These findings are relevant considering that the omission of an expected reward frequently occurs both in dog training and in their daily life.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106503"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163273","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
Smart farming and Artificial Intelligence (AI): How can we ensure that animal welfare is a priority?
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106519
Marian Stamp Dawkins
{"title":"Smart farming and Artificial Intelligence (AI): How can we ensure that animal welfare is a priority?","authors":"Marian Stamp Dawkins","doi":"10.1016/j.applanim.2025.106519","DOIUrl":"10.1016/j.applanim.2025.106519","url":null,"abstract":"<div><div>The increasing use of technology in livestock farming has the potential for making farming easier and more efficient and for improving animal welfare. There are also, however, potential dangers, one of which is that animal welfare becomes subordinated to the drive for greater efficiency. I will argue that for technology to deliver on its promise of being able to improve the lives of animals, three conditions need to be met: (i) Both the public and the agricultural industry must be satisfied that automated measures of welfare can capture what is meant by ‘good welfare’ (ii) There is scientific evidence that the technology genuinely improves animal welfare when deployed on commercial farms (iii) There are demonstrable financial, environmental and other benefits as well as welfare ones so that industry is convinced that prioritizing welfare is commercially worthwhile.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106519"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of feeding a high fibre diet and roughage on motivation for feeding in fast-growing broiler breeder pullets
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106529
Kaitlin E. Wurtz , Karen Thodberg, Marleen Elise van der Heide, Anja B. Riber
{"title":"Impact of feeding a high fibre diet and roughage on motivation for feeding in fast-growing broiler breeder pullets","authors":"Kaitlin E. Wurtz ,&nbsp;Karen Thodberg,&nbsp;Marleen Elise van der Heide,&nbsp;Anja B. Riber","doi":"10.1016/j.applanim.2025.106529","DOIUrl":"10.1016/j.applanim.2025.106529","url":null,"abstract":"<div><div>Alternative feeding methods for broiler breeders, such as qualitative feed restriction in the form of diluting the diet with a fibre source, have been proposed to help alleviate chronic hunger associated with feed restriction. The aim of this study was to investigate the effect of a fibre-rich diet containing oat-hulls and a daily allocation of roughage (EXP) versus a standard commercial diet (CON) on motivation for feeding in fast-growing broiler breeder pullets. Day-old female Ross 308 breeder chicks (N = 600) were randomly allocated to 12 pens of 50 birds each, with each pen receiving one of the two dietary treatments. Motivation for feeding was assessed by measuring feeding rate and frustration associated with thwarted feeding at 8 and 17 weeks of age. Appetitive foraging motivation was assessed at 12 weeks of age. In week 8, CON birds tended to consume feed faster than EXP birds (<em>P</em> = 0.0672). When assessing frustration associated with thwarted feeding in week 8, EXP birds performed longer durations of locomotion (<em>P</em> &lt; 0.0001) and tended to perform more behavioural transitions than CON birds (<em>P</em> = 0.0659), and CON birds tended to peck at the trough for longer than EXP birds (<em>P</em> = 0.0857). In week 17, there was a tendency for CON birds to consume more feed than the EXP birds during the feed intake motivation test (<em>P</em> = 0.0651). During the appetitive foraging motivation test, dietary treatment did not affect latency to cross, number of crossings, probability of failing to cross, or number of inspections into the litter compartment. CON birds spent a greater proportion of time foraging (<em>P</em> = 0.0351) and tended to spend a lesser proportion of time engaged in locomotion (<em>P</em> = 0.0955) than EXP birds when in the litter compartment. In summary, results from our study show that feeding a diet high in insoluble fibre and supplemented with roughage appears to result in some reduction in the motivation to feed during rearing compared to feeding a standard commercial diet. However, as caloric intake remained similar between the two diets, there likely was no difference in metabolic hunger between the two treatments. Therefore, further modifications to management and breeding are necessary to address the concern of prolonged hunger.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106529"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143162385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of a combination of feed dilution and roughage on home pen behaviour in Ross 308 broiler breeder cockerels
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106514
Guro Vasdal , Kathe E. Kittelsen , Ingrid C. de Jong , Fernanda M. Tahamtani
{"title":"Effects of a combination of feed dilution and roughage on home pen behaviour in Ross 308 broiler breeder cockerels","authors":"Guro Vasdal ,&nbsp;Kathe E. Kittelsen ,&nbsp;Ingrid C. de Jong ,&nbsp;Fernanda M. Tahamtani","doi":"10.1016/j.applanim.2025.106514","DOIUrl":"10.1016/j.applanim.2025.106514","url":null,"abstract":"<div><div>Restricted feeding during the rearing phase is an ongoing welfare challenge in the broiler breeder industry, and there is especially a knowledge gap regarding potential effects of alternative feeding strategies for broiler breeder cockerels. The aim of this study was to investigate the effect of a qualitative feed restriction using diluted feed with insoluble fibres combined with roughage on the home pen behaviour of broiler breeder cockerels. A total of 200 Ross 308 broiler breeder cockerels were housed in 12 pens (6 pens/treatment), 17 birds/pen from 5 to 10 weeks of age. The treatments were standard feed (Control) and feed diluted with 20 % insoluble oat hulls and 150 g of lucerne roughage daily/pen (D+R). The D+R birds received 20 % more feed per day. Observation of home pen behaviours were performed in week 6, 8 and 10 during three different periods of the day relative to feeding time: 1 h prior to feeding, 1 h during feeding and 4 h after feeding. There were no differences between treatments with regards to time spent standing, foraging, locomotion, oral behaviours or aggression. Differences between treatments with regards to drinking and comfort behaviour were found, but the direction of these effects were not consistent across age or time of day. In conclusion, limited effects of diluted feed on home pen behaviour in Ross 308 broiler breeder cockerels were found.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106514"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163277","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
Light spectrum and intensity preferences of fast- and slower-growing broilers vary by age, behaviour and time of day
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106532
Malou van der Sluis , Jerine A.J. van der Eijk , Tomas Izquierdo Garcia-Faria , Dennis E. te Beest , Maaike Wolthuis-Fillerup , Ingrid C. de Jong
{"title":"Light spectrum and intensity preferences of fast- and slower-growing broilers vary by age, behaviour and time of day","authors":"Malou van der Sluis ,&nbsp;Jerine A.J. van der Eijk ,&nbsp;Tomas Izquierdo Garcia-Faria ,&nbsp;Dennis E. te Beest ,&nbsp;Maaike Wolthuis-Fillerup ,&nbsp;Ingrid C. de Jong","doi":"10.1016/j.applanim.2025.106532","DOIUrl":"10.1016/j.applanim.2025.106532","url":null,"abstract":"<div><div>Light is an important management factor in broiler production. However, our knowledge of broiler preferences for different lighting conditions is limited, especially regarding changes in preference with age, across breeds with different growth rates and for different behaviours. Here we investigated preferences of fast- (Ross 308; <strong>R</strong>) and slower-growing (Hubbard JA757; <strong>H</strong>) broilers for a combination of light spectra (sky blue (<strong>S</strong>) and green (<strong>G</strong>) light) and intensities (15 and 100 lux), examining over time 1) where broilers chose to spend most time, 2) what behaviours were performed, and 3) the feed intake of the birds. A choice test setup was applied, where broilers were housed in replicate pens with four compartments that they could freely move between, with the four light conditions (15S, 15G, 100S and 100G) provided in the separate compartments. The birds’ locations were scored every five minutes, two days a week, using an automated computer vision approach. Behaviour was observed through instantaneous scan sampling at five ages per breed and feed intake was recorded per compartment approximately every week. It was observed that broilers initially spent most of the daytime in bright, G light (week 1), before a preference for bright, S light came up (weeks 2–3 for R broilers, week 2 for H broilers) and then no clear preference was visible for weeks 4–6 for R and 3–6 for H broilers. For H broilers, a preference for low intensity light was shown in weeks 7–8 with no clear preference for G or S light. We observed differences in the proportions of behaviours shown in the light treatments, with more inactive behaviour in dimmer and S light conditions and more active behaviours in brighter and/or G light conditions. Furthermore, there was an initial higher feed intake in 100G for R birds, and a higher feed intake in 100S than in 15S later on. For H birds, there was a higher feed intake at 15 lux than at 100 lux (for both spectra) at the end of the production period. Overall, the outcomes of this study highlight that broiler preferences for specific light conditions differ between breeds, ages and for different behaviours. These outcomes can inform the development of functional lighting programs for fast- and slower-growing broilers and suggest that providing broilers with variation in light conditions in space and time may better suit the birds’ behavioural needs and preferences, hereby potentially improving broiler welfare.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106532"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
“Decoding ambiguity”: Asian elephants’ (Elephas maximus) use previous experiences and sensory information to make decisions regarding ambiguity
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106525
Sagarika Phalke , Cécile Sarabian , Alice C. Hughes , Hannah S. Mumby
{"title":"“Decoding ambiguity”: Asian elephants’ (Elephas maximus) use previous experiences and sensory information to make decisions regarding ambiguity","authors":"Sagarika Phalke ,&nbsp;Cécile Sarabian ,&nbsp;Alice C. Hughes ,&nbsp;Hannah S. Mumby","doi":"10.1016/j.applanim.2025.106525","DOIUrl":"10.1016/j.applanim.2025.106525","url":null,"abstract":"<div><div>Animals rely on sensory information from the environment to make optimal decisions. However, animals are often faced with incomplete or ambiguous information. Some species use sensory information and previous experiences to generate expectations about ambiguity. To test this, we used a cognitive bias test experimentally modified for Asian elephants (<em>Elephas maximus</em>) to investigate how they respond to ambiguous cues after positive (rewarded) and negative (unrewarded) experiences. We manipulated the degree of ambiguity by associating the spatial position and colour of the cues to either previously experienced positive or negative experiences. We demonstrate that elephants use previous experiences, and the valence (affective value) attached to those experiences to make decisions regarding ambiguity. Elephants show a positive bias by opening the ambiguous positive box three times as often and twice as quickly compared to the negative cue. Conversely, they are less likely to open and slower to respond to the ambiguous negative cue. These results are consistent with responses of farm animals and captive wild mammals when faced with unconditioned ambiguous cues with perceptual overlaps. Our findings indicate that when making decisions under ambiguity, animals rely on cognitive and sensory mechanisms. A greater understanding of decision-making mechanisms could aid in understanding animals' responses to their immediate environment with potential implications for conservation and welfare.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106525"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143162381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Refinement of personality measures in European minks: Effect of sex, age and maternal factors
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106520
Lorena Ortiz-Jiménez , Gloria Fernández-Lázaro , Roberto Latorre , Isabel Barja
{"title":"Refinement of personality measures in European minks: Effect of sex, age and maternal factors","authors":"Lorena Ortiz-Jiménez ,&nbsp;Gloria Fernández-Lázaro ,&nbsp;Roberto Latorre ,&nbsp;Isabel Barja","doi":"10.1016/j.applanim.2025.106520","DOIUrl":"10.1016/j.applanim.2025.106520","url":null,"abstract":"<div><div>The incorporation of animal personality has been proven to enhance animal welfare and conservation programs. However, there is a need of refinement of its methodology and more research on its plasticity. We investigated European mink personality at a Spanish conservation center using behavioral coding (control and novel object tests) and caregiver trait ratings (questionnaires). Mink behavior was assessed through individual focal sampling with 1–0 time recording and using four novel objects. We examined differences by age, sex, and maternal lineage or litter effects. Findings showed good interrater reliability for seven of nine adjectives and significant correlations with behavioral measures, validating the method. More aggressive minks were generally more active, exited the nest box sooner, and approached and manipulated novel objects more quickly. Minks showed particular interest in one object (a red frisbee), indicating the need for careful consideration of object characteristics. Sex and age impacted personality traits. Males approached and manipulated novel objects sooner and more frequently than females. Adults exited the nest box sooner, exhibited greater locomotion, and approached and manipulated novel objects sooner and longer than subadults. Females were rated as more intelligent than males, adults more intelligent than subadults, with adult females scoring highest for intelligence. Results suggest potential maternal and litter effects on personality, emphasizing the need for further research. Overall, we detected some areas to further explore and give some suggestions to enhance the application of personality research into conservation programs of this critically endangered species.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106520"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163276","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 difference in roaming behavior between owned and unowned dogs in a satoyama landscape area
IF 2.2 2区 农林科学
Applied Animal Behaviour Science Pub Date : 2025-02-01 DOI: 10.1016/j.applanim.2025.106521
Tsung-Han Kuo , Gau-Ming Chang , Pin-Huan Yu , Wei-Hsuan Chen , Shih-Ching Yen
{"title":"The difference in roaming behavior between owned and unowned dogs in a satoyama landscape area","authors":"Tsung-Han Kuo ,&nbsp;Gau-Ming Chang ,&nbsp;Pin-Huan Yu ,&nbsp;Wei-Hsuan Chen ,&nbsp;Shih-Ching Yen","doi":"10.1016/j.applanim.2025.106521","DOIUrl":"10.1016/j.applanim.2025.106521","url":null,"abstract":"<div><div>The One Health approach aims to achieve the joint health of humans, animals, and the environment, which will contribute to human survival and ecosystem sustainability. One of the major threats to One Health is free-roaming dogs, including owned unrestricted dogs and unowned dogs, which are common in many areas of the world and can potentially transmit diseases to humans and wildlife. Studying their roaming behavior can help evaluate the epidemic patterns of dog-caused infectious diseases. However, previous studies on roaming behavior have focused mainly on owned dogs. In this study, we aimed to examine and compare the roaming patterns of both owned and unowned dogs. We hypothesized that unowned dogs, which have no stable food sources and home to rely on, will exhibit greater roaming behavior than will owned dogs. By using a global positioning system (GPS) tracking technique, a total of 12 owned dogs and 10 unowned dogs were tracked during 2019–2021 in Yangmingshan, Taiwan, which is a satoyama landscape area. Generalized linear model analyses suggested that the most important factor influencing roaming behavior was ownership status, with unowned dogs having a 742 % larger home range size (163.3 ± 135.3 ha versus 22.0 ± 23.5 ha; mean ± SD), 867 % larger core area size (5.2 ± 5.5 ha versus 0.6 ± 0.4 ha), 5800 % farther distance from artificial environments (58 m versus 1 m; median), and a 529 % higher proportion using natural environments (68.3 ± 16.0 % versus 12.9 ± 8.8 %) than owned dogs. We found no detectable effect of sex, sterilization status, or weight. In addition, unowned dogs were closer to roads and artificial environments on weekends than on weekdays, probably due to human activities attracting them, while owned dogs did not show temporal variation in space use<strong>.</strong> Our results clearly suggest that dogs' roaming behavior is mainly affected by human factors. The range of roaming for unowned dogs was wider and more in-depth in natural environments than that for owned dogs, potentially posing greater risks to public health and wildlife conservation. Decreasing the number of unowned dogs and improving responsible ownership would be the primary management objectives in satoyama landscapes to achieve the One Health goal.</div></div>","PeriodicalId":8222,"journal":{"name":"Applied Animal Behaviour Science","volume":"283 ","pages":"Article 106521"},"PeriodicalIF":2.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143163278","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
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