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Zlatanova, D.; Ahmed, A.; Valasseva, A.; Genov, P. |
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Title |
Adaptive Diet Strategy of the Wolf (Canis lupus L.) in Europe: a Review |
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Journal Article |
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2014 |
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ACTA ZOOLOGICA BULGARICA |
Abbreviated Journal |
Acta zool. bulg. |
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66 |
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4 |
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439-452 |
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Wolf, Canis lupus, prey, adaptive strategy |
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The diet strategy of the wolf in Europe is reviewed on the basis of 74 basic and 14 additional literature
sources. The comparative analysis reveals clear dependence on the latitude (and, therefore, on the changing
environmental conditions) correlated with the wild ungulate abundance and diversity. Following a
geographic pattern, the wolf is specialised on different species of ungulates: moose and reindeer in Scandinavia,
red deer in Central and Eastern Europe and wild boar in Southern Europe. Where this large prey
is taken, the roe deer is hunted with almost the same frequency in every region. The wolf diet in Europe
shows two ecological adaptations formed by a complex of variables: 1. Wolves living in natural habitats
with abundance of wild ungulates feed mainly on wild prey. 2. In highly anthropogenic habitats, with low
abundance of wild prey, wolves feed on livestock (where husbandry of domestic animals is available) and
take also a lot of plant food, smaller prey (hares and rodents) and garbage food. The frequency of occurrence
of wild ungulates in the diet of wolves in North Europe varies from 54.0% in Belarus to 132.7% in
Poland, while that of livestock is in the range from 0.4% in Norway to 74.9% in Belarus. In South Europe,
the frequency of occurrence of wild prey varies from 0% in Italy and Spain to 136.0% in Italy, while of domestic
ungulates ranges between 0% and 100% in Spain. The low density or lack of wild prey triggers the
switch of the wolf diet to livestock, plant food (32.2-85% in Italy) or even garbage (up to 41.5% in Italy). |
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Equine Behaviour @ team @ |
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6388 |
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Author |
Adelman, M.; Knijnik, J. |
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Title |
Gender and Equestrian Sport |
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Book Whole |
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2013 |
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British Equestrian Sport Canadian Show Jumping Cojones and Rejones Comparative Analysis Equestrian World through a Gender Lens Equestrianism during the 20th Century Fluid Masculinities on Brazilian Dressage Gender Studies and Equestrian Sport Horseracing and Gender in the United Kingdom Juvenile Equine Fiction for Girls Men and Horse Riding Spanish Mounted Bullfight Sport and Culture Swedish Equestrian Sports Women Riding Rodeo in Southern Brazil Women in Equestrian Polo |
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This volume brings together studies from various disciplines of the social sciences and humanities (Anthropology, Sociology, Cultural Studies, History and Literary theory) that examine the equestrian world as a historically gendered and highly dynamic field of contemporary sport and culture. From elite international dressage and jumping, polo and the turf, to the rodeo world of the Americas and popular forms of equestrian sport and culture, we are introduced to a range of issues as they unfold at local and global, national and international levels. Students and scholars of gender, culture and sport will find much of interest in this original look at contemporary issues such as “engendered” (women’s and men’s) dentities/subjectivities of equestrians, representations of girls, horses and the world of adventure in juvenile fiction; the current “feminization” of particular equestrian activities (and where boys and men stand in relation to this); how broad forms of social inequality and stratification play themselves out within gendered equestrian contexts; men and women and their relation to horses within the framework of current discussions on the relation of animals to humans (which may include not only love and care, but also exploitation and violence), among others. Singular contributions that incorporate a wide variety of classic and contemporary theoretical perspectives and empirical methodologies show how horse cultures around the globe contribute to historical and current constructions of embodied “femininities” and “masculinities”, reflecting a world that has been moving “beyond the binaries” while continuing to be enmeshed in their persistent and contradictory legacy. The final chapter makes a brave attempt at synthesizing individual chapters and moving forward from the evidences they provide, to suggest a compelling agenda for future research. |
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Springer |
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Dordrecht |
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978-94-007-6823-9 |
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Equine Behaviour @ team @ |
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6389 |
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Burla, J.-B.; Siegwart, J.; Nawroth, C. |
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Title |
Human Demonstration Does Not Facilitate the Performance of Horses (Equus caballus) in a Spatial Problem-Solving Task |
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Journal Article |
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2018 |
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Animal |
Abbreviated Journal |
Animal |
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8 |
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6 |
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96 |
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detour task; equids; social cognition; social learning; spatial cognition |
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Horses’ ability to adapt to new environments and to acquire new information plays an important role in handling and training. Social learning in particular would be very adaptive for horses as it enables them to flexibly adjust to new environments. In the context of horse handling, social learning from humans has been rarely investigated but could help to facilitate management practices. We assessed the impact of human demonstration on the spatial problem-solving abilities of horses during a detour task. In this task, a bucket with a food reward was placed behind a double-detour barrier and 16 horses were allocated to two test groups of 8 horses each. One group received a human demonstration of how to solve the spatial task while the other group received no demonstration. We found that horses did not solve the detour task more often or faster with human demonstration. However, both test groups improved rapidly over trials. Our results suggest that horses prefer to use individual rather than social information when solving a spatial problem-solving task |
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Equine Behaviour @ team @ |
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6392 |
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Podsakoff, P.M.; MacKenzie, S. B.; Lee, J.-Y.; Podsakoff, N. P. |
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Title |
Common method biases in behavioral research: A critical review of the literature and recommended remedies. |
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Journal Article |
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2002 |
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Journal of Applied Psychology |
Abbreviated Journal |
J. Appl. Psychol. |
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85 |
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5 |
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879-903 |
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Interest in the problem of method biases has a long history in the behavioral sciences. Despite this, a comprehensive summary of the potential sources of method biases and how to control for them does not exist. Therefore, the purpose of this article is to examine the extent to which method biases influence behavioral research results, identify potential sources of method biases, discuss the cognitive processes through which method biases influence responses to measures, evaluate the many different procedural and statistical techniques that can be used to control method biases, and provide recommendations for how to select appropriate procedural and statistical remedies for different types of research settings. (PsycINFO Database Record (c) 2016 APA, all rights reserved)
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Equine Behaviour @ team @ |
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6435 |
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Author |
Grönemann, K. |
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Title |
Konfliktfeld Pferd und Wolf – Eine Untersuchung zu Einstellungen, Erwartungen und Befürchtungen von Pferdehaltern und Reitsportlern in Niedersachsen |
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Manuscript |
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2015 |
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Master's thesis |
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University Hildesheim |
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Hildesheim |
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Equine Behaviour @ team @ |
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6440 |
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Passilongo, D.; Buccianti, A.; Dessi-Fulgheri, F.; Gazzola, A.; Zaccaronii, M.; Apollonio, M. |
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The Acoustic Structure Of Wolf Howls In Some Eastern Tuscany (Central Italy) Free Ranging Packs |
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Journal Article |
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2010 |
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Bioacoustics |
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Bioacoustics |
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19 |
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3 |
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159-175 |
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Canis lupus, acoustic structure, mammal communication, sonogram, fundamental frequency. |
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Italian wolf howls are described for the first time from observations between 2003–2008 of a population living in eastern Tuscany, central Italy. A sample of 37 howls selected among single responses and 128 howls included in the choruses of 7 free ranging packs was recorded and analysed. The mean fundamental frequency of the howls ranged between 274–908 Hz. Two main structures recognised by means of multivariate explorative analysis, in particular Principal Component and Cluster Analysis, were ascribed to breaking and flat howls. Discriminant Function Analysis was applied to the recognised groups with the aim to find a general rule for classification. Howls with different features were correctly assigned to the groups obtained by explorative analysis in 95.8% of cases. The analysis of the variables characterising the structure of the howls suggests that maximum frequency and range of fundamental frequency are the most important parameters for classification, while duration does not appear to play any significant role. |
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Equine Behaviour @ team @ |
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6499 |
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Author |
McGreevy, P.; Yeates, J. |
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Title |
Horses (Equus caballus) |
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2018 |
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Companion Animal Care and Welfare |
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animal company; behavioural signs; diseases; domestic horses; euthanasia; human interaction; nutritional requirements |
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Summary Domestic horses are equid members of the class Mammalia, order Perissodactyla, and family Equidae. Horses are obligate herbivores, with nutritional requirements as listed in a table. Adequate space is necessary for exercise, exploration, flight, sharing resources, play, and rolling. Company is essential for all horses, including stallions. Company provides opportunities for mutual grooming and play and allows horses to stand head-to-tail to remove flies. Unhandled horses may respond to humans as they would to predators, whereas handled horses' responses depend on their previous interactions with humans. Horses can suffer from several diseases as listed in another table. The best method of euthanasia of horses is usually sedation followed by either cranial shooting or the injection of an overdose of pentobarbitone into the jugular vein. Behavioural signs of distress can include increased locomotory activity, vigilance behaviours, neighing, snorting, pawing, nibbling walls and buckets, defaecation, rearing, kicking stable walls or doors, and high-stepping 'prancing'. |
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Wiley Online Books |
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Companion Animal Care and Welfare |
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9781119333708 |
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doi:10.1002/9781119333708.ch13 |
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Equine Behaviour @ team @ |
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6506 |
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Author |
Stecken, Paul |
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Bemerkungen und Zusammenhänge |
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2015 |
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FNverlag der Deutschen Reiterlichen Vereinigung GmbH |
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wARENDORF |
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978-3-88542-889-3 |
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Equine Behaviour @ team @ |
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6511 |
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Pawluski, J.; Jego, P.; Henry, S.; Bruchet, A.; Palme, R.; Coste, C.; Hausberger, M. |
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Title |
Low plasma cortisol and fecal cortisol metabolite measures as indicators of compromised welfare in domestic horses (Equus caballus) |
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2017 |
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Plos One |
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Plos One |
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12 |
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9 |
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e0182257 |
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The hypothalamic-pituitary-adrenal (HPA) axis response to chronic stress is far from straight forward, particularly with regards to animal welfare. There are reports of no effect as well as both decreases and increases in cortisol after chronic stressors. Therefore, the first aim of the present study was to determine how measures of compromised welfare, such as chronic pain and haematological anomalies, related to cortisol levels in domestic horses (Equus caballus). Domestic horses are an informative model to investigate the impact of chronic stress (due to environment, pain, work, housing conditions...) on the HPA axis. The second aim was to determine whether levels of fecal cortisol metabolites (FCM) may be used as an indicator of welfare measures. The present study used fifty-nine horses (44 geldings and 15 mares), from three riding centres in Brittany, France. The primary findings show that horses whose welfare was clearly compromised (as indicated by an unusual ears backward position, presence of vertebral problems or haematological anomalies, e.g. anaemia) also had lower levels of both FCM and plasma cortisol. This work extends our previous findings showing that withdrawn postures, indicators of depressive-like behavior in horses, are associated with lower plasma cortisol levels. We also found that evening plasma cortisol levels positively correlated with FCM levels in horses. Future research aims to determine the extent to which factors of influence on welfare, such as living conditions (e.g. single stalls versus group housing in pasture or paddocks), early life factors, and human interaction, act as mediators of cortisol levels in horses. |
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Public Library of Science |
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Equine Behaviour @ team @ |
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6516 |
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Author |
Griebenow, K.; Klibanov, A.M. |
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Title |
Lyophilization-induced reversible changes in the secondary structure of proteins |
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1995 |
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Proc Natl Acad Sci USA |
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92 |
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24 |
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10969-10976 |
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Changes in the secondary structure of some dozen different proteins upon lyophilization of their aqueous solutions have been investigated by means of Fourier-transform infrared spectroscopy in the amide III band region. Dehydration markedly (but reversibly) alters the secondary structure of all the proteins studied, as revealed by both the quantitative analysis of the second derivative spectra and the Gaussian curve fitting of the original infrared spectra. Lyophilization substantially increases the beta-sheet content and lowers the alpha-helix content of all proteins. In all but one case, proteins become more ordered upon lyophilization. |
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Equine Behaviour @ team @ |
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6519 |
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