| Records |
Author  |
Krueger, K.; Trager, L.; Farmer, K.; Byrne, R. |
| Title |
Tool Use in Horses |
Type |
Journal Article |
| Year |
2022 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
12 |
Issue |
15 |
Pages |
1876 |
| Keywords |
crowdsourcing; horse; innovation; mule; management; tool use |
| Abstract |
Tool use has not yet been confirmed in horses, mules or donkeys. As this subject is difficult to research with conventional methods, we used a crowdsourcing approach to gather data. We contacted equid owners and carers and asked them to report and video examples of �unusual� behaviour via a dedicated website. We also searched YouTube and Facebook for videos of equids showing tool use. From 635 reports, including 1014 behaviours, we found 20 cases of tool use, 13 of which were unambiguous in that it was clear that the behaviour was not trained, caused by reduced welfare, incidental or accidental. We then assessed (a) the effect of management conditions on tool use and (b) whether the animals used tools alone, or socially, involving other equids or humans. We found that management restrictions were associated with corresponding tool use in 12 of the 13 cases (p = 0.01), e.g., equids using sticks to scrape hay within reach when feed was restricted. Furthermore, 8 of the 13 cases involved other equids or humans, such as horses using brushes to groom others. The most frequent tool use was for foraging, with seven examples, tool use for social purposes was seen in four cases, and there was just one case of tool use for escape. There was just one case of tool use for comfort, and in this instance, there were no management restrictions. Equids therefore can develop tool use, especially when management conditions are restricted, but it is a rare occurrence. |
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Abbreviated Series Title |
Animals |
| Series Volume |
12 |
Series Issue |
15 |
Edition |
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| ISSN |
2076-2615 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
6695 |
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| Author |
Krueger, K.; Schwarz, S.; Marr, I.; Farmer, K. |
| Title |
Laterality in Horse Training: Psychological and Physical Balance and Coordination and Strength Rather Than Straightness |
Type |
Magazine Article |
| Year |
2022 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
12 |
Issue |
8 |
Pages |
1042 |
| Keywords |
balance; body asymmetry; equitation; horse; motor laterality; sensory laterality; stress; welfare |
| Abstract |
For centuries, a goal of training in many equestrian disciplines has been to straighten the horse, which is considered a key element in achieving its responsiveness and suppleness. However, laterality is a naturally occurring phenomenon in horses and encompasses body asymmetry, motor laterality and sensory laterality. Furthermore, forcibly counterbalancing motor laterality has been considered a cause of psychological imbalance in humans. Perhaps asymmetry and laterality should rather be accepted, with a focus on training psychological and physical balance, coordination and equal strength on both sides instead of enforcing “straightness”. To explore this, we conducted a review of the literature on the function and causes of motor and sensory laterality in horses, especially in horses when trained on the ground or under a rider. The literature reveals that body asymmetry is innate but does not prevent the horse from performing at a high level under a rider. Motor laterality is equally distributed in feral horses, while in domestic horses, age, breed, training and carrying a rider may cause left leg preferences. Most horses initially observe novel persons and potentially threatening objects or situations with their left sensory organs. Pronounced preferences for the use of left sensory organs or limbs indicate that the horse is experiencing increased emotionality or stress, and long-term insufficiencies in welfare, housing or training may result in left shifts in motor and sensory laterality and pessimistic mentalities. Therefore, increasing laterality can be regarded as an indicator for insufficiencies in housing, handling and training. We propose that laterality be recognized as a welfare indicator and that straightening the horse should be achieved by conducting training focused on balance, coordination and equal strength on both sides. |
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Abbreviated Series Title |
Animals |
| Series Volume |
12 |
Series Issue |
8 |
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| ISSN |
2076-2615 |
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no |
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Equine Behaviour @ team @ |
Serial |
6670 |
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| Author |
Krueger, K.; Gruentjens, T.; Hempel, E. |
| Title |
Wolf contact in horses at permanent pasture in Germany |
Type |
Journal Article |
| Year |
2023 |
Publication |
Plos One |
Abbreviated Journal |
Plos One |
| Volume |
18 |
Issue |
8 |
Pages |
e0289767 |
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| Abstract |
Wolves returned to Germany in 2000, leading to fear in German horse owners that their horses could be in danger of wolf attacks or panic-like escapes from pastures when sighting wolves. However, reports from southern European countries indicate that wolf predation on horses diminishes with increasing presence of wildlife. Therefore, we conducted a long-term, filed observation between January 2015 and July 2022 on 13 non breeding riding horses, mares and geldings, kept permanently on two pastures within the range of wildlife and a stable wolf pack with annual offspring. Wildlife cameras at the fences of the pastures made 984 times recordings of wolves and 3151 times recordings of wildlife in and around the pastures. Between 1 January 2022 and 23 March 2022 we observed two stable horse groups. Pasture 1 was grazed by five horses of mixed breed, four mares and one gelding, with the median age of 8 years (min. = 6y, max. = 29y). Pasture 2 was grazed by eight heavy warmbloods and draught horses, three mares and five geldings, with the median age of 16 years (min. = 13y, max. = 22y). During this period no wolf was recorded at pasture 2, but wild boar several times, whereas at pasture 1, wolves were recorded 89 times, and for the wildlife mostly hare. Wolves may have avoided pasture 2 because of the presence of wild boar or because the large group of older, heavy breed horses may have formed a stable, protective group. The latter needs to be confirmed in a follow-up field observation, which records anti-predator behavior and welfare indicators in horses. In conclusion, wolves did not attack the mature horses on pastures with plenty of wildlife and the horses did not respond to the presence of wolves with visible signs of reduced welfare or panic. This indicates that wolves may prefer to prey on easily accessible wildlife around and at horse pastures and that Central European horses become accustom to the presence of non-hunting wolves. |
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Public Library of Science |
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Equine Behaviour @ team @ |
Serial |
6708 |
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| Author |
Krueger, K.; Esch, L.; Farmer, K.; Marr, I. |
| Title |
Basic Needs in Horses?--A Literature Review |
Type |
Magazine Article |
| Year |
2021 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
11 |
Issue |
6 |
Pages |
1798 |
| Keywords |
abnormal behaviour; active responses; horse; movement; passive responses; roughage; stress; social contact |
| Abstract |
Every animal species has particular environmental requirements that are essential for its welfare, and when these so-called “basic needs” are not fulfilled, the animals suffer. The basic needs of horses have been claimed to be social contact, social companionship, free movement and access to roughage. To assess whether horses suffer when one or more of the four proposed basic needs are restricted, we examined several studies (n = 38) that reported behavioural and physiological reactions to these restrictions. We assigned the studies according to the four types of responses investigated: (a) Stress, (b) Active, (c) Passive, and (d) Abnormal Behaviour. Furthermore, the number of studies indicating that horses reacted to the restrictions were compared with the number of studies reporting no reaction. The limited number of studies available on single management restrictions did not allow conclusions to be drawn on the effect of each restriction separately, especially in the case of social companionship. However, when combinations of social contact, free movement and access to roughage were restricted, many of the horses had developed responses consistent with suffering. Passive Responses, indicating acute suffering, and Abnormal Behaviour, indicating suffering currently or at some time in the past, were especially clearly demonstrated. This provides further evidence of the usefulness of assessing behavioural parameters in combination with physiological measurements when evaluating horse welfare. This meta-analysis of the literature confirms that it is justified to claim that social contact, free movement and access to roughage are basic needs in horses. |
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Abbreviated Series Title |
Animals |
| Series Volume |
11 |
Series Issue |
6 |
Edition |
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2076-2615 |
ISBN |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
6645 |
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| Author |
Krueger, K.; Esch, L.; Byrne, R. |
| Title |
Need or opportunity? A study of innovations in equids |
Type |
Journal Article |
| Year |
2021 |
Publication |
Plos One |
Abbreviated Journal |
Plos One |
| Volume |
16 |
Issue |
9 |
Pages |
e0257730 |
| Keywords |
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| Abstract |
Debate persists over whether animals develop innovative solutions primarily in response to needs or conversely whether they innovate more when basic needs are covered and opportunity to develop novel behaviour is offered. We sourced 746 cases of “unusual” behaviour in equids by contacting equid owners and caretakers directly and via a website (https://innovative-behaviour.org), and by searching the internet platforms YouTube and Facebook for videos. The study investigated whether differences in need or opportunity for innovation were reflected in the numbers of different types of innovations and in the frequencies of repeating a once-innovative behaviour (i) with respect to the equids' sex, age, and breed type, (ii) across behavioural categories, and whether (iii) they were affected by the equids' management (single vs group housing, access to roughage feed, access to pasture, and social contact). We found that the numbers of different types of innovation and the frequency of displaying specific innovations were not affected by individual characteristics (sex, age, breed or equid species). Few types of innovation in escape and foraging contexts were observed, whilst the comfort, play, and social contexts elicited the greatest variety of innovations. We also found higher numbers of different types of innovations in horses kept in groups rather than in individual housing, and with unlimited rather than with restricted access to pasture and roughage. Equids in permanent social contact performed high rates of once-innovative behaviour. We suggest that equids produce goal-directed innovations and repeat the behaviour at high frequency in response to urgent needs for food and free movement or when kept in conditions with social conflict. However, equids devise the greatest variety of innovations when opportunity to play and to develop comfort behaviour arises and when kept in good conditions. |
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Public Library of Science |
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Equine Behaviour @ team @ |
Serial |
6653 |
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| Author |
Jarausch, A.; Harms, V.; Kluth, G.; Reinhardt, I.; Nowak, C. |
| Title |
How the west was won: genetic reconstruction of rapid wolf recolonization into Germany's anthropogenic landscapes |
Type |
Journal Article |
| Year |
2021 |
Publication |
Heredity |
Abbreviated Journal |
Heredity |
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Issue |
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Pages |
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Following massive persecution and eradication, strict legal protection facilitated a successful reestablishment of wolf packs in Germany, which has been ongoing since 2000. Here, we describe this recolonization process by mitochondrial DNA control-region sequencing, microsatellite genotyping and sex identification based on 1341 mostly non-invasively collected samples. We reconstructed the genealogy of German wolf packs between 2005 and 2015 to provide information on trends in genetic diversity, dispersal patterns and pack dynamics during the early expansion process. Our results indicate signs of a founder effect at the start of the recolonization. Genetic diversity in German wolves is moderate compared to other European wolf populations. Although dispersal among packs is male-biased in the sense that females are more philopatric, dispersal distances are similar between males and females once only dispersers are accounted for. Breeding with close relatives is regular and none of the six male wolves originating from the Italian/Alpine population reproduced. However, moderate genetic diversity and inbreeding levels of the recolonizing population are preserved by high sociality, dispersal among packs and several immigration events. Our results demonstrate an ongoing, rapid and natural wolf population expansion in an intensively used cultural landscape in Central Europe. |
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1365-2540 |
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Equine Behaviour @ team @ Jarausch2021 |
Serial |
6638 |
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| Author |
Janczarek, I.; Wisniewska, A.; Chruszczewski, M.H.; Tkaczyk, E.; Górecka-Bruzda, A. |
| Title |
Social Behaviour of Horses in Response to Vocalisations of Predators |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
10 |
Issue |
2331 |
Pages |
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| Keywords |
horse; predator; vocalisation; social defensive behaviour; grey wolf; Arabian leopard; golden jackal |
| Abstract |
We tested the hypothesis that social defensive responses to the vocalisation of a predator still exist in horses. The recordings of a grey wolf, an Arabian leopard and a golden jackal were played to 20 Konik polski and Arabian mares. Durations of grazing, standing still, standing alert and the number of steps in walk and trot/canter were measured. In one-minute scans, the distances of the focal horse from the reference horse (DIST-RH) and from the nearest loudspeaker (DIST-LS) were approximated. The vocalisation of a leopard aroused the Arabians more than the Koniks (less grazing, stand-still and walk, more stand-alert and trotting/cantering). Koniks showed more relaxed behaviours to the leopard vocalisation (more grazing, stand-still and walk), but high alertness to the wolf playback (stand-alert, trotting/cantering). Spatial formation of the herd of Koniks showed tight grouping (lower DIST-RH) and maintaining distance from the potential threat (DIST-LS) in response to the wolf howling, while the Arabians approached the loudspeakers in linear herd formation when the leopard growls were played. Adult horses responded to potential predation by changing spatial group formations. This ability to apply a social strategy may be one of the explanations for the least number of horses among all hunted farm animal species. |
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Animals |
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10 |
Series Issue |
12 |
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2076-2615 |
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Equine Behaviour @ team @ |
Serial |
6675 |
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| Author |
Hunt, G.R.; Gray R.D.; Taylor, A.H. |
| Title |
Why is tool use rare in animals? |
Type |
Book Whole |
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2013 |
Publication |
Tool Use in Animals: Cognition and Ecology |
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Cambridge University Press |
Place of Publication |
Cambridge, MA. |
Editor |
anz C, Call J, Boesch C |
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Equine Behaviour @ team @ |
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6658 |
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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 |
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2011 |
Publication |
Beiträge zur Jagd- und Wildforschung |
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36 |
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117-128 |
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Equine Behaviour @ team @ |
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6690 |
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| Author |
Hoelker, S. |
| Title |
Typologie der deutschen Pferdehaltung – Eine empirische Studie mittels Two-Step-Clusteranalyse |
Type |
Journal Article |
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2016 |
Publication |
Berichte über Landwirtschaft Zeitschrift für Agrarpolitik und Landwirtschaft |
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94 |
Issue |
3 |
Pages |
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BMEL |
Place of Publication |
Bonn |
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Equine Behaviour @ team @ |
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6643 |
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