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Author Hoppitt, W.; Laland, K.N. url  doi
openurl 
  Title Social processes influencing learning in animals: a review of the evidence Type (up) Journal Article
  Year 2008 Publication Adv Study Behav Abbreviated Journal  
  Volume 38 Issue Pages 105-165  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Hoppitt2008 Serial 6260  
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Author Langbein, J.; Siebert, K.; Nuernberg, G. url  doi
openurl 
  Title Concurrent recall of serially learned visual discrimination problems in dwarf goats (Capra hircus) Type (up) Journal Article
  Year 2008 Publication Behav Proc Abbreviated Journal  
  Volume 79 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Langbein2008 Serial 6363  
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Author Dugnol, B.; Fernández, C.; Galiano, G.; Velasco, J. url  doi
openurl 
  Title On a chirplet transform-based method applied to separating and counting wolf howls Type (up) Journal Article
  Year 2008 Publication Signal Process Abbreviated Journal  
  Volume 88 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Dugnol2008 Serial 6466  
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Author Richards, D.G.; Wiley, R.H. url  doi
openurl 
  Title Reverberations and Amplitude Fluctuations in the Propagation of Sound in a Forest: Implications for Animal Communication Type (up) Journal Article
  Year 2008 Publication Am Nat Abbreviated Journal  
  Volume 115 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Richards2008 Serial 6485  
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Author Sueur, J.; Aubin, T.; Simonis, C. url  doi
openurl 
  Title Seewave: a free modular tool for sound analysis and synthesis Type (up) Journal Article
  Year 2008 Publication Bioacoustics Abbreviated Journal  
  Volume 18 Issue Pages  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Sueur2008 Serial 6490  
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Author Visser, E.K.; Ellis, A.D.; Van Reenen, C.G. url  doi
openurl 
  Title The effect of two different housing conditions on the welfare of young horses stabled for the first time Type (up) Journal Article
  Year 2008 Publication Applied Animal Behaviour Science Abbreviated Journal  
  Volume 114 Issue 3 Pages 521-533  
  Keywords Horse; Welfare; Stabling; Housing; HPA axis; Novel Object test  
  Abstract The effect of stabling for the first time on the behaviour and welfare of young and naïve horses has not yet been studied in detail. In this study we examined the effect of two typical housing systems on their subsequent behavioural and physiological responses upon first time stabling. Thirty-six 2-year-old Dutch warmbloods, 18 geldings and 18 mares were included in the study. Half of the horses were stabled in individual stables (10.5m2) and the other half in pair housing (48m2 for two horses). The study lasted 12 weeks. At the end of the study the physiological and temperamental responses of the horses on the different treatments was tested using a CRF challenge test (to test the HPA-axis function) and a Novel Object test (to test temperamental differences) respectively. Especially in the first week after stabling pair housed horses spent more time eating whereas individually housed horses spent more time either standing vigilant or sleeping. Stress-related behaviours like neighing, pawing, nibbling and snorting were all displayed significantly more frequently in the individually housed horses (P<0.01). At the end of the study 67% of the individually housed horses was seen performing one or more stereotypies (P<0.01). The cortisol response and ACTH response on the CRF challenge test were lower for horses in the individually housed boxes. It is suggested that this depression in socially isolated animals is caused by a desensitisation of the HPA axis in response to stress-induced elevations in ACTH and cortisol. In general there was no effect of the treatment on the reactivity of the horses during the Novel Object test. However, there were significant relations between the responses of horses in the Novel Object test and in the stable environment. It is concluded that sudden isolated stabling is stressful to young and naïve horses, resulting in a high prevalence of stereotypies and abnormal behaviours. This study also provided some support for the notion that social stress in horses may be associated with a blunted adrenocortical response to CRF challenge. The finding that responses of horses to a behavioural test are correlated with home environment behaviours suggests that individual horses exhibit consistent behavioural traits across different contexts, and opens the possibility of using behavioural tests in horses to predict more general underlying behavioural characteristics.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0168-1591 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6630  
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Author Dwan, K.; Altman, D.G.; Arnaiz, J.A.; Bloom, J.; Chan, A.-W.; Cronin, E.; Decullier, E.; Easterbrook, P.J.; Von Elm, E.; Gamble, C.; Ghersi, D.; Ioannidis, J.P.A.; Simes, J.; Williamson, P.R. url  doi
openurl 
  Title Systematic Review of the Empirical Evidence of Study Publication Bias and Outcome Reporting Bias Type (up) Journal Article
  Year 2008 Publication Plos One Abbreviated Journal Plos One  
  Volume 3 Issue 8 Pages e3081  
  Keywords  
  Abstract Background The increased use of meta-analysis in systematic reviews of healthcare interventions has highlighted several types of bias that can arise during the completion of a randomised controlled trial. Study publication bias has been recognised as a potential threat to the validity of meta-analysis and can make the readily available evidence unreliable for decision making. Until recently, outcome reporting bias has received less attention. Methodology/Principal Findings We review and summarise the evidence from a series of cohort studies that have assessed study publication bias and outcome reporting bias in randomised controlled trials. Sixteen studies were eligible of which only two followed the cohort all the way through from protocol approval to information regarding publication of outcomes. Eleven of the studies investigated study publication bias and five investigated outcome reporting bias. Three studies have found that statistically significant outcomes had a higher odds of being fully reported compared to non-significant outcomes (range of odds ratios: 2.2 to 4.7). In comparing trial publications to protocols, we found that 40-62% of studies had at least one primary outcome that was changed, introduced, or omitted. We decided not to undertake meta-analysis due to the differences between studies. Conclusions Recent work provides direct empirical evidence for the existence of study publication bias and outcome reporting bias. There is strong evidence of an association between significant results and publication; studies that report positive or significant results are more likely to be published and outcomes that are statistically significant have higher odds of being fully reported. Publications have been found to be inconsistent with their protocols. Researchers need to be aware of the problems of both types of bias and efforts should be concentrated on improving the reporting of trials.  
  Address  
  Corporate Author Thesis  
  Publisher Public Library of Science Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6644  
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Author Bussières, G.; Jacques, C.; Lainay, O.; Beauchamp, G.; Leblond, A.; Cadoré, J.-L.; Desmaizières, L.-M.; Cuvelliez, S.G.; Troncy, E. url  doi
openurl 
  Title Development of a composite orthopaedic pain scale in horses Type (up) Journal Article
  Year 2008 Publication Research in Veterinary Science Abbreviated Journal  
  Volume 85 Issue 2 Pages 294-306  
  Keywords Horse; Acute orthopaedic pain; Experimental model; Behaviour; Physiological parameters; Validation  
  Abstract This study addresses development and validation of a composite multifactorial pain scale (CPS) in an experimental equine model of acute orthopaedic pain. Eighteen horses were allocated to control (sedation with/without epidural analgesia – mixture of morphine, ropivacaine, detomidine and ketamine) and experimental groups: amphotericin-B injection in the tarsocrural joint induced pain and analgesia was either i.v. phenylbutazone administered post-induction of synovitis, or pre-emptive epidural mixture, or a pre-emptive combination of the 2. Inter- and intra-observer reproducibility was good (0.8<K<1). The key specific and sensitive behavioural indices were response to palpation of the painful area, posture, and, of lesser value, pawing on the floor, kicking at abdomen and head movement. Of particular interest was the statistical correlation observed between the CPS and both non-invasive blood pressure (P<0.0001) and blood cortisol (P<0.002). This study established the value of some behavioural and physiological criteria in determining equine orthopaedic pain intensity and clearly demonstrated that pre-emptive, multimodal analgesia provided better management than the two other protocols tested.  
  Address  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0034-5288 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6707  
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Author Björk, N. url  openurl
  Title Is it possible to measure the welfare of the ridden horse? Type (up) Manuscript
  Year 2008 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords horse, welfare, training, learning, measure, assess  
  Abstract Since the time of domestication, humans have trained horses for the purpose of serving man. Different training methods have been developed throughout the centuries; some were developed with consideration for the horse's welfare, while others disregarded welfare to a great extent. Most present day training is based upon making the horse perform a desired behaviour through dominance and subordination. Although cooperative training techniques have gained popularity, everyday training lacks the application of learning theory or neglects the horse's learning capacities and their species' specific behaviour. Thus, the horse's welfare may be jeopardised.

The aim with this review is to consider methods that allow an objective assessment of the welfare of horses undergoing training. The review gives a brief insight into the history of horse training and handling. It proceeds with an overview of the horse"s learning abilities which is argued to be of paramount importance for effective training. The review then describes a few selected training techniques that are used today, based on negative and positive reinforcement, and discusses parameters from which it could be possible to assess the welfare of the ridden horse. The work concludes with suggestion for future
 
  Address  
  Corporate Author Thesis Bachelor's thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4749  
Permanent link to this record
 

 
Author Hoffmann; G. openurl 
  Title Bewegungsaktivität und Stressbelastung bei Pferden in Auslaufhaltungssystemen mit verschiedenen Bewegungsangeboten Type (up) Manuscript
  Year 2008 Publication Dissertation Abbreviated Journal  
  Volume Issue Pages  
  Keywords  
  Abstract Pferdehaltungssysteme mit angrenzenden Ausläufen gelten als eine sehr tiergerechte

Haltungsform, da sie den Tieren eine gewisse Bewegungsmöglichkeit

bieten. Ziel der vorliegenden Untersuchung war es, zu erfassen, ob der angrenzende

Auslauf selbst einen ausreichenden Anreiz zur Bewegung darstellt und wie sich verschiedene

Bewegungs- und Platzangebote auf die Bewegungsaktivität von Pferden

in einer Gruppen-Auslaufhaltung auswirken. Zudem wurde ermittelt, welche Auswirkung

die Bewegungsform bzw. –intensität auf das Wohlbefinden der Tiere hat.

Der Großteil der in Deutschland gehaltenen Pferde verbringt die meiste Zeit des

Tages im Stall, obwohl mittlerweile bekannt ist, dass Pferde unter natürlichen

Haltungsbedingungen 12 bis 16 Stunden des Tages in Bewegung verbringen. Der

Optimierung der Stallhaltungssysteme gilt daher ein besonderes Interesse.

Zu diesem Zweck wurden von September 2004 bis Oktober 2005 Versuche mit 24

Warmblutstuten im Alter von 1½ bis 3½ Jahren in Einzel- und Gruppen-

Auslaufhaltungssystemen durchgeführt. Jeweils sechs Pferde bildeten eine Versuchsgruppe.

In jeder Gruppe fanden fünf Varianten von einer ca. dreiwöchigen

Dauer statt. Die Gruppenhaltung wurde dabei durch drei unterschiedliche Zusatzbewegungsangebote

(2 Std. Weide / Tag, 2 Std. unbegrünte Koppel / Tag, 1 Std. Freilauf-

Führanlage / Tag) ergänzt. In der Einzel-Auslaufhaltung (Box mit 45 m²-großem

angrenzenden Auslauf) und in einer Versuchsvariante der Gruppenhaltung bekamen

die Pferde hingegen keine zusätzliche Bewegung außerhalb des Stallhaltungssystems

angeboten. Das Gruppenhaltungssystem selbst war durch die räumliche

Trennung der Funktionsbereiche (Liegen, Fressen, Trinken, Bewegen) gekennzeichnet

und der angrenzende Auslauf war 270 m² groß. In einer zusätzlichen Versuchsphase

fand in der Gruppenhaltung eine Erweiterung des permanent zugänglichen

Auslaufs auf insg. 540 m² statt.

Die Bewegungsaktivität wurde mit Pedometern erfasst, die an jeweils einem Hinterbein

der Pferde befestigt wurden und ergänzend fand eine Analyse von Videoaufzeichnungen

statt. Zur Beurteilung der Stressbelastung fanden Messungen der Herz192

Zusammenfassung

frequenzvariabilität (Parameter HF und SD2) und der fäkalen Cortisolmetabolitenkonzentration

statt.

Die Auswertung des Bewegungsverhaltens ergab, dass eine zusätzliche zweistündige

freie Bewegung der Pferdegruppe auf einer Weide zu einer deutlichen

Steigerung der durchschnittlichen Bewegungsaktivität (149,6 Min. / Tag) führt,

ebenso wie eine einstündige Bewegung in einer Führanlage (173,0 Min. / Tag). Eine

unbegrünte Koppel regte die Pferde der Gruppenhaltung hingegen nicht zu vermehrter

Bewegung an (131,6 Min. / Tag), sondern bewirkte z. T. sogar eine Abnahme

der Bewegungsaktivität. In der Gruppen-Auslaufhaltung ohne zusätzliches Bewegungsangebot

war die Bewegungsaktivität ebenfalls gering (125,8 Min / Tag) und

während der Einzel-Auslaufhaltung ohne Zusatzbewegung zeigten die Pferde die

geringste Bewegungsaktivität (102,3 Min. / Tag).

Bei der alleinigen Analyse der Bewegungszeit im Stallhaltungssystem war kein signifikanter

Einfluss der zusätzlichen Bewegung außerhalb des Stallsystems auf die

übrige Fortbewegung feststellbar.

Auch eine Vergrößerung des an den Stall angrenzenden Auslaufs im Gruppenhaltungssystem

hatte keinen steigernden Einfluss auf das Bewegungsverhalten der

Pferde.

Die Stressbelastung der Pferde war in den Varianten der Gruppenhaltung mit zweistündigem

Weidegang (SD2: 82,9 ms; Cortisolmetaboliten: 29,0 nmol / kg Kot) sowie

der einstündigen Bewegung in einer Freilauf-Führanlage (SD2: 99,2 ms; Cortisolmetaboliten:

27,7 nmol / kg Kot) am geringsten. Die Untersuchungen zeigten eine

Stresszunahme in der Gruppenhaltung mit zweistündigem Auslauf auf einer unbegrünten

Koppel ohne Futterangebot (SD2: 101,3 ms; Cortisolmetaboliten:

39,6 nmol / kg Kot) sowie in der Variante der Gruppenhaltung ohne zusätzliches Bewegungsangebot

(SD2: 113,3 ms; Cortisolmetaboliten: 38,4 nmol / kg Kot). Dem

Mittelwert der Gruppe nach zu folgern hatten die Pferde während der Einzelhaltung

ohne Zusatzbewegung eine sehr große Stressbelastung (SD2: 123,8 ms; Cortisolmetaboliten:

37,5 nmol / kg Kot). Ein Vergleich der Gruppen- und Einzelhaltung hinsichtlich

der Herzfrequenzvariabilität hat jedoch gezeigt, dass insg. 70 % der Pferde

während der Haltung in einer Gruppe weniger Stress empfinden. Es gab aber auch

Zusammenfassung 193

Pferde (30 %), die in der Einzelhaltung eine abnehmende Stressbelastung zeigten,

wobei hier der Einfluss der Rangordnung eine entscheidende Rolle zu spielen

scheint.

Durch die Auswertung mehrerer Messparameter (sowohl für Stress- als auch für Bewegungsverhalten)

werden gleichgerichtete Tendenzen bei den Versuchsvarianten

deutlich, allerdings ist eine eindeutige Gewichtung der Parameter nicht möglich.

Somit ist die methodische Vorgehensweise dieser Untersuchung sehr positiv und als

notwendig anzusehen, da die Messdaten auch immer gewissen Schwankungen

durch externe Einflüsse unterliegen.

Allgemein ist festzuhalten, dass Auslaufhaltungssysteme zwar eine gewisse

Anregung zur Bewegung bieten, aber mit maximal vier Stunden (insg. 62 – 248 Min.)

Bewegung pro Tag war der tägliche Anteil an Bewegung sehr viel geringer als

beispielsweise bei Pferden in freier Wildbahn oder ganzjähriger Weidehaltung. Somit

deckt ein Auslaufhaltungssystem trotz getrennter Funktionsbereiche und eines

großen Auslaufs nicht den Bewegungsbedarf der Pferde, wenn keine zusätzlichen

Bewegungsanreize und –möglichkeiten angeboten werden.

Eine zusätzliche Bewegung von Pferden ist nicht nur zur Gesunderhaltung des

Bewegungsapparates und der Körperfunktionen notwendig, sondern auch um das

Wohlbefinden und die Ausgeglichenheit der Pferde zu steigern.

[Horse husbandry systems with close-by discharge are considered to be a very livestock-

friendly housing form, as they offer a certain movement opportunity for the

animals. The aim of the present study was to examine how different movement and

space offerings affect the movement activities of horses in a group horse husbandry

with close-by discharge, and whether the discharge provides itself an adequate

incentive for movement. The impact that the form or rather intensity of movement has

on the wellbeing of the animals was also established.

Most of the horses held in Germany spend most of the day in the stable, although it is

meanwhile known that horses under natural housing conditions are 12 to 16 hours of

the day in motion. Therefore the improvement of stable housing systems applies a

special interest.

For this purpose, 24 warmblood mares, aged from 1½ to 3½ years, were studied in

single and group discharge husbandry systems from September 2004 until October

2005. Six horses formed an experimental group. In every group five variants of approximately

three weeks were proceeded. Thereby the group husbandry was supplemented

with three different additional movement opportunities (2 h pasture / day,

2 h non-grassy pasture land / day, 1 h free range horse walker / day). In the single

discharge husbandry (single box with 45 sq. m-large close-by discharge) and in one

experimental variant of the group husbandry got the horses, however, offered no additional

movement outside the husbandry system. The group husbandry system itself

was marked by the spatial division of the functional areas (lying, eating, drinking,

moving) and the close-by discharge measured 270 sq. m. In an additional phase of

the study, and expansion of the permanently accessible close-by discharge to

540 sq. m was found.

The movement activity was documented with pedometers attached respectively to

one hind leg of the horse and a supplementary analysis of video documentation. To

evaluate the stress exposure measurements of heart frequency variability (parameters

HF and SD2) and of the faecal cortisol metabolite concentration were performed.

Summary 195

The interpretation of the movement behaviour showed that additional two hours of

free movement on a pasture led to a significant increase in the average movement

activity (149.6 min / day), as well as one hour movement in a horsewalker did

(173.0 min / day). The non-grassy pasture land, however, didn’t inspire the horses of

the group husbandry to increased movement (131.6 min / day), but sometimes even

caused a decrease in movement activity. In the group discharge husbandry without

additional movement opportunities the movement activity was also low

(125.8 min / day), and during the single discharge husbandry without additional

movement the horses showed the least movement activity (102.3 min / day).

In analysing only the movement time in the stable system was no significant impact

of the additional movement outside the housing system to the rest of locomotion

ascertainable.

As well an expansion of the close-by stable discharge in the group husbandry system

had no increasing influence on the movement behaviour of the horses.

The stress exposure of the horses was least in the variations of group husbandry

with two hours on a pasture (SD2: 82.9 ms; cortisol metabolites: 29.0 nmol / kg faeces)

as well as one hour of movement in a free range horse walker (SD2: 99.2 ms;

cortisol metabolites: 27.7 nmol / kg faeces). The studies showed a rise in stress in

group husbandry with two hours of movement on a non-grassy pasture land without

feeding opportunity (SD2: 101.3 ms; cortisol metabolites: 39.6 nmol / kg faeces) as

well as in the variation of the group husbandry without additional movement offerings

(SD2: 113.3 ms; cortisol metabolites: 38.4 nmol / kg faeces). Judging from the mean

of the group the horses had a very high stress exposure in the variation of the single

husbandry without additional movement offerings (SD2: 123.8 ms; cortisol metabolites:

37.5 nmol / kg faeces). But a comparison of the group and single husbandry in

terms of the heart frequency variability showed that alltogether 70 % of the horses

experienced less stress if hold in a group. However, some horses (30 %) showed

reducing stress in the single husbandry, whereas here the influence of social hierarchy

seems to play a decisive role.

196 Summary

In consequence of the examination of several measuring parameters (both for stressand

for movement behaviour) parallel aligned tendencies become apparent in the

experimental variants, however, is a unique weighting of the parameters not possible.

Thus, the methodological approach of this study is to be regarde as very positive and

necessary, since the data always vary with some fluctuations by external influences.

In general it can be established that discharge husbandry systems offer some incentive

for the horse to move, but with a maximum of four hours (overall 62 – 248 min) of

movement per day, the daily proportion of movement was much less than, for example,

in the case of wild horses or year-round pasture keeping. Thus, if no additional

movement incentives and possibilities are offered, the discharge husbandry system

doesn’t cover the movement needs of the horse despite separate functional areas

and a large outside discharge.

Additional movement is not only necessary to keep the musculoskeletal system and

bodily functions of the horse healthy, but also to ensure the horse’s well being and

mental balance.]
 
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5660  
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