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Author (up) Edwards, K.L.; Bansiddhi, P.; Paris, S.; Galloway, M.; Brown, J.L.
Title The development of an immunoassay to measure immunoglobulin A in Asian elephant feces, saliva, urine and serum as a potential biomarker of well-being Type Journal Article
Year 2019 Publication Conservation Physiology Abbreviated Journal conphys
Volume 7 Issue 1 Pages
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Abstract Additional measures of well-being would be beneficial to the management of a variety of species in human care, including elephants. Immunoglobulin A (IgA) is an immune protein associated with pathogen defense, which has been demonstrated to decrease during times of stress, and increase in response to positive stimuli. This paper describes the development and validation of an enzyme immunoassay (EIA) for the quantification of Asian elephant (Elephas maximus) IgA in feces, saliva, urine, and serum. Samples were collected weekly from four females for 6 months to assess IgA and glucocorticoid (GC) concentrations, establish relationships between these two biomarkers, and determine variability in IgA within and between individuals, and across sample types. IgA was quantified in all four sample types, although urinary concentrations were low and sometimes undetectable in individual samples. Concentrations were highly variable within and between individuals, with fecal, salivary and serum IgA, and fecal, salivary and urinary GCs all differing significantly across individuals. Contrary to previous findings, IgA and GC were generally not correlated. Serum IgA was less variable within individuals, with the exception of one female that experienced a brief illness during the study. However, marked inter-individual differences were still apparent. When data from all individuals were combined, fecal IgA was significantly predicted by salivary and urinary IgA; however, this relationship did not hold when individuals were analyzed separately. Analysis of a fifth female that exhibited a more severe systemic illness demonstrated clear increases in fecal IgA and GC, suggesting these may also be useful health biomarkers. Further investigation is needed to determine what sample type is most reflective of biological state in elephants, and how IgA concentrations are associated with health and positive and negative welfare states. Based on observed variability, a longitudinal approach likely will be necessary to use IgA as a measure of well-being.
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ISSN 2051-1434 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6591
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Author (up) Emery, N.J.; Clayton, N.S.; Frith, C.D.
Title Introduction. Social intelligence: from brain to culture Type Journal Article
Year 2007 Publication Philos Trans R Soc B Abbreviated Journal Philos Trans R Soc B
Volume 362 Issue Pages
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Call Number Equine Behaviour @ team @ Emery2007 Serial 6302
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Author (up) Esch, L.; Wöhr, C.; Erhard, M.; Krueger, K.
Title Horses� (Equus Caballus) Laterality, Stress Hormones, and Task Related Behavior in Innovative Problem-Solving Type Journal Article
Year 2019 Publication Animals Abbreviated Journal Animals
Volume 9 Issue 5 Pages 265
Keywords innovative behavior; brain lateralization; glucocorticoid metabolites; behavioral traits; equine cognition
Abstract Domesticated horses are constantly confronted with novel tasks. A recent study on anecdotal data indicates that some are innovative in dealing with such tasks. However, innovative behavior in horses has not previously been investigated under experimental conditions. In this study, we investigated whether 16 horses found an innovative solution when confronted with a novel feeder. Moreover, we investigated whether innovative behavior in horses may be affected by individual aspects such as: age, sex, size, motor and sensory laterality, fecal stress hormone concentrations (GCMs), and task-related behavior. Our study revealed evidence for 25% of the horses being capable of innovative problem solving for operating a novel feeder. Innovative horses of the present study were active, tenacious, and may be considered to have a higher inhibitory control, which was revealed by their task related behavior. Furthermore, they appeared to be emotional, reflected by high baseline GCM concentrations and a left sensory and motor laterality. These findings may contribute to the understanding of horses� cognitive capacities to deal with their environment and calls for enriched environments in sports and leisure horse management.
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Call Number Equine Behaviour @ team @ Esch2019 Serial 6570
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Author (up) Fagot, J.; Cook, R.G.
Title Evidence for large long-term memory capacities in baboons and pigeons and its implications for learning and the evolution of cognition Type Journal Article
Year 2006 Publication Proc Natl Acad Sci U S A Abbreviated Journal
Volume 103 Issue Pages
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Call Number Equine Behaviour @ team @ Fagot2006 Serial 6278
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Author (up) Farmer, K.; Krüger, K.; Byrne, R.W.; Marr, I.
Title Sensory laterality in affiliative interactions in domestic horses and ponies (Equus caballus) Type Journal Article
Year 2018 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 21 Issue 5 Pages 631-637
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Abstract Many studies have been carried out into both motor and sensory laterality of horses in agonistic and stressful situations. Here we examine sensory laterality in affiliative interactions within four groups of domestic horses and ponies (N = 31), living in stable social groups, housed at a single complex close to Vienna, Austria, and demonstrate for the first time a significant population preference for the left side in affiliative approaches and interactions. No effects were observed for gender, rank, sociability, phenotype, group, or age. Our results suggest that right hemisphere specialization in horses is not limited to the processing of stressful or agonistic situations, but rather appears to be the norm for processing in all social interactions, as has been demonstrated in other species including chicks and a range of vertebrates. In domestic horses, hemispheric specialization for sensory input appears not to be based on a designation of positive versus negative, but more on the perceived need to respond quickly and appropriately in any given situation.
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ISSN 1435-9456 ISBN Medium
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Call Number Equine Behaviour @ team @ Farmer2018 Serial 6386
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Author (up) Fenner, K.; Freire, R.; McLean, A.; McGreevy, P.
Title Behavioral, demographic and management influences on equine responses to negative reinforcement Type Journal Article
Year 2018 Publication Journal of Veterinary Behavior Abbreviated Journal
Volume Issue Pages
Keywords Learning; horse management; training; temperament; negative reinforcement
Abstract Understanding the factors that influence horse learning is critical to ensure horse welfare and rider safety. In this study, data were obtained from horses (n=96) training to step backwards through a corridor in response to bit pressure. Following training, learning ability was determined by the latency to step backwards through the corridor when handled on the left and right reins. Additionally, horse owners were questioned about each horse's management, training, behavior and signalment (such as horse breed, age and sex). Factors from these four broad domains were examined using a multiple logistic regression (MLR) model, following an Information Theoretic approach, for associations between horses' behavioral attributes and their ability to learn the task. The MLR also included estimates of the rider's ability and experience as well as owner's perceptions of their horse's trainability and temperament. Results revealed several variables including explanatory variables that correlated significantly with rate of learning. Horses were faster at backing, a behavioral trait, when handled on the right (t = 3.65, df = 94, P < 0.001) than the left side. Thoroughbred horses were slower at completing the tests than other breeds of horses when handled on the left side (LM, F1,48=4.5, P=0.04) and right side (LM, F1,45=6.0, P=0.02). Those in regular work, a training factor, did not learn faster than their unworked counterparts on the right rein but completed the task faster on the left rein (F1,44=5.47, P=0.02). This may reflect differences in laterality and habituation effects. In contrast, more anxious horses were faster at completing the test when handled from the right (Spearman, r=-0.22, P=0.04). It is possible that these horses have an increased arousal level when interacting with handlers, resulting in more engagement with the lesson, accounting for the improved performance results. The findings of this study will help clarify how horse behavior, training and management may influence learning and how their application may optimize learning outcomes. Future equine behavior assessment and research questionnaires should include items that assess these qualities.
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ISSN 1558-7878 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6400
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Author (up) Fisher, J.; Hinde, R. A.
Title The opening of milk bottles by birds Type Journal Article
Year 1994 Publication British Birds Abbreviated Journal British Birds
Volume Issue 42 Pages 347-357
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Call Number Equine Behaviour @ team @ Serial 6525
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Author (up) Forrester, G.; Hudry, K.; Lindell, A.; Hopkins, W. D.
Title Cerebral Lateralization and Cognition: Evolutionary and Developmental Investigations of Behavioral Biases Type Book Whole
Year 2018 Publication Abbreviated Journal
Volume 238 Issue Pages
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Publisher Academic Press Place of Publication Cambridge Editor
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ISSN ISBN 9780128146729 Medium
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Call Number Equine Behaviour @ team @ Serial 6530
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Author (up) Frank, H.
Title Evolution of canine information processing under conditions of natural and artificial selection Type Journal Article
Year 1980 Publication Z Tierpsychol Abbreviated Journal
Volume 5 Issue Pages
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Call Number Equine Behaviour @ team @ Frank1980 Serial 6243
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Author (up) Frank, H.; Frank, M.G.
Title On the effects of domestication on canine social development and behavior Type Journal Article
Year 1982 Publication Appl Anim Ethol Abbreviated Journal
Volume 8 Issue Pages
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Call Number Equine Behaviour @ team @ Frank1982 Serial 6259
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