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https://www.readbyqxmd.com/read/28614347/an-evidence-based-decision-assistance-model-for-predicting-training-outcome-in-juvenile-guide-dogs
#1
Naomi D Harvey, Peter J Craigon, Simon A Blythe, Gary C W England, Lucy Asher
Working dog organisations, such as Guide Dogs, need to regularly assess the behaviour of the dogs they train. In this study we developed a questionnaire-style behaviour assessment completed by training supervisors of juvenile guide dogs aged 5, 8 and 12 months old (n = 1,401), and evaluated aspects of its reliability and validity. Specifically, internal reliability, temporal consistency, construct validity, predictive criterion validity (comparing against later training outcome) and concurrent criterion validity (comparing against a standardised behaviour test) were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28579472/identifying-environmental-reservoirs-of-clostridium-difficile-with-a-scent-detection-dog-preliminary-evaluation
#2
Elizabeth Bryce, Teresa Zurberg, Markus Zurberg, Salomeh Shajari, Diane Roscoe
BACKGROUND: Prompted by an article describing a dog trained to detect Clostridium difficile in patients, our institution evaluated a dog's ability to detect C. difficile scent from equipment and surfaces to assist in strategic deployment of adjunctive cleaning measures. METHODS: An expert in drug and explosives scent dog handling trained a canine to identify odours from pure cultures and/or faecal specimens positive for C. difficile. Methods used to assess explosive and drug detection dogs were adapted and included evaluation of a) odour recognition, using containers positive and negative for the scent of C...
June 1, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28576477/perceptions-of-transcatheter-device-closure-of-patent-ductus-arteriosus-in-veterinary-cardiology-and-evaluation-of-a-canine-model-to-simulate-device-placement-a-preliminary-study
#3
A B Saunders, L Keefe, S A Birch, M A Wierzbicki, D J Maitland
OBJECTIVES: The purpose of this study was to evaluate a canine patent ductus arteriosus (PDA) model developed for practicing device placement and to determine practices and perceptions regarding transcatheter closure of PDA from the veterinary cardiology community. METHOD: A silicone model was developed from images obtained from a dog with a PDA and device placement was performed with catheter equipment and a document camera to simulate fluoroscopy. A total of 36 individuals including 24 diplomates and 12 residents participated, and the feedback was obtained...
May 30, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28569238/analyzing-breath-samples-of-hypoglycemic-events-in-type-1-diabetes-patients-towards-developing-an-alternative-to-diabetes-alert-dogs
#4
Amanda P Siegel, Ali Daneshkhah, Dana S Hardin, Sudhir Shrestha, Kody Varahramyan, Mangilal Agarwal
Diabetes is a disease that involves dysregulation of metabolic processes. Patients with type 1 diabetes (T1D) require insulin injections and measured food intake to maintain clinical stability, manually tracking their results by measuring blood glucose levels. Low blood glucose levels, hypoglycemia, can be extremely dangerous and can result in seizures, coma, or even death. Canines trained as diabetes alert dogs (DADs) have demonstrated the ability to detect hypoglycemia from breath, which led us to hypothesize that hypoglycemia, a metabolic dysregulation leading to low blood glucose levels, could be identified through analyzing volatile organic compounds (VOCs) contained within breath...
June 1, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28535137/the-effect-of-heart-disease-on-anesthetic-complications-during-routine-dental-procedures-in-dogs
#5
Jennifer E Carter, Alison A Motsinger-Reif, William V Krug, Bruce W Keene
Dental procedures are a common reason for general anesthesia, and there is widespread concern among veterinarians that heart disease increases the occurrence of anesthetic complications. Anxiety about anesthetizing dogs with heart disease is a common cause of referral to specialty centers. To begin to address the potential effect of heart disease on anesthetic complications in dogs undergoing anesthesia for routine dental procedures, we compared anesthetic complications in 100 dogs with heart disease severe enough to trigger referral to a specialty center (cases) to those found in 100 dogs without cardiac disease (controls) that underwent similar procedures at the same teaching hospital...
May 23, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28510368/escalator-related-injuries-in-30-dogs-2007-2014
#6
Emma-Leigh Pearson, Megan Whelan, Kiko Bracker
OBJECTIVE: To describe a population of dogs affected by escalator-related injuries, and to characterize the types of injuries sustained and describe treatment administered. DESIGN: Retrospective study from March 2007 to November 2014. SETTING: Large urban referral and emergency facility. ANIMALS: Thirty client-owned dogs presenting with injuries acquired while riding an escalator. INTERVENTIONS: None...
May 16, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28477395/quantitative-comparison-of-clustered-microcalcifications-in-for-presentation-and-for-processing-mammograms-in-full-field-digital-mammography
#7
Juan Wang, Robert M Nishikawa, Yongyi Yang
PURPOSE: Mammograms acquired with full-field digital mammography (FFDM) systems are provided in both "for-processing" and "for-presentation" image formats. For-presentation images are traditionally intended for visual assessment by the radiologists. In this study, we investigate the feasibility of using for-presentation images in computerized analysis and diagnosis of microcalcification (MC) lesions. METHODS: We make use of a set of 188 matched mammogram image pairs of MC lesions from 95 cases (biopsy proven), in which both for-presentation and for-processing images are provided for each lesion...
May 6, 2017: Medical Physics
https://www.readbyqxmd.com/read/28473766/aging-of-attentiveness-in-border-collies-and-other-pet-dog-breeds-the-protective-benefits-of-lifelong-training
#8
Durga Chapagain, Zsófia Virányi, Lisa J Wallis, Ludwig Huber, Jessica Serra, Friederike Range
Aging of attentiveness affects cognitive functions like perception and working memory, which can seriously impact communication between dogs and humans, potentially hindering training and cooperation. Previous studies have revealed that aged laboratory beagles and pet Border collies (BC) show a decline in selective attention. However, much less is known about the aging of attentiveness in pet dogs in general rather than in specific breeds. Using 185 pet dogs (75 BC and 110 dogs of other breeds) divided into three age groups [late adulthood (6- < 8 year), senior (8- < 10 year) and geriatric (≥10 year)], we assessed the progress of aging of attentional capture, sustained and selective attention in older dogs in order to explore if prior results in BC are generalizable and to evaluate the influence of lifelong training on measures of attention...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28462513/an-easy-to-produce-and-economical-three-dimensional-brain-phantom-for-stereotactic-computed-tomographic-guided-brain-biopsy-training-in-the-dog
#9
Deepinder S Sidhu, Jeffrey D Ruth, Gregory Lambert, John H Rossmeisl
OBJECTIVE: To develop and validate a three-dimensional (3D) brain phantom that can be incorporated into existing stereotactic headframes to simulate stereotactic brain biopsy (SBB) and train veterinary surgeons. STUDY DESIGN: Experimental study. SAMPLE POPULATION: Canine brain phantoms were fabricated from osteological skull specimens, agarose brain parenchyma, and cheddar and mozzarella cheese molds (simulating meningiomas and gliomas). METHODS: The neuroradiologic and viscoelastic properties of phantoms were quantified with computed tomography (CT) and oscillatory compression tests, respectively...
April 29, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28444161/odor-perception-by-dogs-evaluating-two-training-approaches-for-odor-learning-of-sniffer-dogs
#10
Carola Fischer-Tenhagen, Dorothea Johnen, Wolfgang Heuwieser, Roland Becker, Kristin Schallschmidt, Irene Nehls
In this study, a standardized experimental set-up with various combinations of herbs as odor sources was designed. Two training approaches for sniffer dogs were compared; first, training with a pure reference odor, and second, training with a variety of odor mixtures with the target odor as a common denominator. The ability of the dogs to identify the target odor in a new context was tested. Six different herbs (basil, St. John's wort, dandelion, marjoram, parsley, ribwort) were chosen to produce reference materials in various mixtures with (positive) and without (negative) chamomile as the target odor source...
June 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28421298/dog-rivalry-impacts-following-behavior-in-a-decision-making-task-involving-food
#11
Christy L Hoffman, Malini Suchak
Dogs learn a great deal from humans and other dogs. Previous studies of socially influenced learning between dogs have typically used a highly trained demonstrator dog who is unfamiliar to the observer. Because of this, it is unknown how dynamics between familiar dogs may influence their likelihood of learning from each other. In this study, we tested dogs living together in two-dog households on whether individual dogs' rivalry scores were associated with performance on a local enhancement task. Specifically, we wanted to know whether dog rivalry impacted whether an observer dog would approach a plate from which a demonstrator dog had eaten all available food, or whether the observer dog would approach the adjacent plate that still contained food...
July 2017: Animal Cognition
https://www.readbyqxmd.com/read/28420977/development-and-training-of-a-neural-controller-for-hind-leg-walking-in-a-dog-robot
#12
Alexander Hunt, Nicholas Szczecinski, Roger Quinn
Animals dynamically adapt to varying terrain and small perturbations with remarkable ease. These adaptations arise from complex interactions between the environment and biomechanical and neural components of the animal's body and nervous system. Research into mammalian locomotion has resulted in several neural and neuro-mechanical models, some of which have been tested in simulation, but few "synthetic nervous systems" have been implemented in physical hardware models of animal systems. One reason is that the implementation into a physical system is not straightforward...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28392243/persistence-and-resistance-to-extinction-in-the-domestic-dog-basic-research-and-applications-to-canine-training
#13
REVIEW
Nathaniel J Hall
This review summarizes the research investigating behavioral persistence and resistance to extinction in the dog. The first part of this paper reviews Behavioral Momentum Theory and its applications to Applied Behavior Analysis and training of pet dogs with persistent behavioral problems. I also highlight how research on Behavioral Momentum Theory can be applied to the training of detection dogs in an attempt to enhance detection performance in the presence of behavioral disruptors common in operational settings...
April 6, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28383365/design-and-validation-of-a-three-dimensional-printed-flexible-canine-otoscopy-teaching-model
#14
Belle Marie D Nibblett, Mary Mauldin Pereira, Fortune Sithole, Paul A D Orchard, Eric B Bauman
INTRODUCTION: A teaching model was sought to improve canine otoscopy skill and reduce use of teaching dogs. METHODS: An otoscopy teaching model was printed in a flexible medium on a desktop three-dimensional printer from a magnetic resonance image of a canine external ear canal. The model was mounted in a polyvinyl dog mannequin. Validation of the teaching model was sought from student, faculty, and dog perspective. Student perception of prelaboratory training was assessed using a survey regarding their experience...
April 5, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28366777/sustained-attention-to-the-owner-is-enhanced-in-dogs-trained-for-animal-assisted-interventions
#15
Paolo Mongillo, Elisa Pitteri, Lieta Marinelli
Adaptation in human societies requires dogs to pay attention to socially relevant human beings, in contexts that may greatly vary in social complexity. In turn, such selective attention may depend on the dog's training and involvement in specific activities. Therefore, we recruited untrained pet dogs (N=32), dogs trained for agility (N=32) and for animal assisted interventions (N=32) to investigate differences in attention to the owner in relation to the dogs' training/working experience. Average gaze length and frequency of gaze shifting towards the owner were measured in a 'baseline attention test', where dogs were exposed to the owner walking in and out of the experimental room and in a 'selective attention test', where the owner's movements were mirrored by an unfamiliar figurant...
March 31, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28356121/a-survey-of-the-impact-of-owning-a-service-dog-on-quality-of-life-for-individuals-with-physical-and-hearing-disability-a-pilot-study
#16
COMPARATIVE STUDY
Sophie S Hall, Jessica MacMichael, Amy Turner, Daniel S Mills
BACKGROUND: Quality of life refers to a person's experienced standard of health, comfort and happiness and is typically measured using subjective self-report scales. Despite increasing scientific interest in the value of dogs to human health and the growing demand for trained service dogs, to date no research has reported how service dogs may affect client perceptions of quality of life. METHOD: We compared quality of life scores on the 16 item Flanagan quality of life scale from individuals who owned a trained service dog with those who were eligible to receive a dog, but did not yet have one (waiting list control)...
March 29, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28355209/coefficients-of-variation-of-ground-reaction-force-measurement-in-cats
#17
Eva Schnabl-Feichter, Alexander Tichy, Barbara Bockstahler
Gait analysis has been extensively performed in dogs and horses; however, very little is known about feline biomechanics. It was, therefore, the aim of this study to determine the coefficient of variation (CV) among three ground reaction force (GRF) measurements taken for 15 client-owned European shorthaired cats without a training period and a short acclimatisation time. Gait was measured as each cat walked across a pressure-sensitive walkway, and measurements were made three times over a multi-week period (range: 2 to 17 weeks)...
2017: PloS One
https://www.readbyqxmd.com/read/28343954/a-new-whole-mitochondrial-genome-qpcr-wmg-qpcr-with-sybr-green-%C3%A2-to-identify-phlebotomine-sand-fly-blood-meals
#18
Ana Caroline Moura Rodrigues, Rafaela Damasceno Magalhães, Kalil Andrade Mubarac Romcy, Jeferson Lucas Sousa Freitas, Ana Carolina Fonseca Lindoso Melo, Fernanda Cristina Macedo Rodon, Claudia Maria Leal Bevilaqua, Luciana Magalhães Melo
Phlebotomine sand flies are blood-feeding insects of marked medical and veterinary significance. Investigations on the biology of these insects hold great importance for both ecological and epidemiological purposes. The present work describes a new approach for real-time PCR (qPCR) with SYBR Green(®), named WMG-qPCR, to identify phlebotomine blood meals. The novelty of the assay was to design primers based on the Whole Mitochondrial Genome (WMG) of the potential hosts (human, dog, cat, brown rat and chicken) aiming to amplify through qPCR the regions of mitochondrial DNA (mtDNA) which are less conserved among all species...
March 9, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28306484/evaluation-of-the-economic-and-clinical-feasibility-of-introducing-rigid-endoscopy-and-laparoscopy-to-a-small-animal-general-practice
#19
Kelly Jones, J Brad Case, Brian Evans, Eric Monnet
OBJECTIVE To evaluate the economic and clinical feasibility of introducing rigid endoscopy and laparoscopy to a small animal general practice. DESIGN Prospective study. SAMPLE A single 2-veterinarian small animal practice in southern California. PROCEDURES In early 2012, endoscopic equipment was purchased, and both veterinarians in the practice undertook training in rigid endoscopic and laparoscopic procedures. Subsequently, information for client-owned animals that underwent endoscopic and laparoscopic procedures during a 12-month period (2012 to 2013) was collected...
April 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28290915/knowledge-attitudes-and-practices-regarding-rabies-risk-in-community-members-and-healthcare-professionals-p%C3%A3-tionville-haiti-2013
#20
N Fenelon, P Dely, M A Katz, N D Schaad, A Dismer, D Moran, F Laraque, R M Wallace
Haiti has the highest human rabies burden in the Western Hemisphere. There is no published literature describing the public's perceptions of rabies in Haiti, information that is critical to developing effective interventions and government policies. We conducted a knowledge, attitudes and practices survey of 550 community members and 116 health professionals in Pétionville, Haiti in 2013 to understand the perception of rabies in these populations. The majority of respondents (85%) knew that dogs were the primary reservoir for rabies, yet only 1% were aware that bats and mongooses could transmit rabies...
June 2017: Epidemiology and Infection
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