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https://www.readbyqxmd.com/read/28421298/dog-rivalry-impacts-following-behavior-in-a-decision-making-task-involving-food
#1
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...
April 18, 2017: Animal Cognition
https://www.readbyqxmd.com/read/28414470/association-between-lateral-bias-and-personality-traits-in-the-domestic-dog-canis-familiaris
#2
Shanis Barnard, Deborah L Wells, Peter G Hepper, Adam D S Milligan
Behavioral laterality reflects the cerebral functional asymmetry. Measures of laterality have been associated with emotional stress, problem-solving, and personality in some vertebrate species. Thus far, the association between laterality and personality in the domestic dog has been largely overlooked. In this study, we investigated whether lateralized (left or right) and ambilateral dogs differed in their behavioral response to a standardized personality test. The dog's preferred paw to hold a Kong ball filled with food and the first paw used to step-off from a standing position were scored as laterality measures...
April 17, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28408304/analysis-of-imp-1-type-metallo-%C3%AE-lactamase-producing-acinetobacter-radioresistens-isolated-from-companion-animals
#3
Yui Kimura, Tadashi Miyamoto, Kotaro Aoki, Yoshikazu Ishii, Kazuki Harada, Masahisa Watarai, Shingo Hatoya
IMP-1 type metallo-β-lactamase-producing (MBL-producing) Acinetobacter radioresistens was isolated from a dog with cystitis and a cat with conjunctivitis. The MBL-producing A. radioresistens isolates were resistant to all of the β-lactam antibiotics used in the sensitivity tests, but were susceptible to gentamicin, amikacin, and minocycline. Also, one of the two strains of A. radioresistens was susceptible to ciprofloxacin and levofloxacin. These two cases were cured by administration of tetracyclines and fluoroquinolones, which elicited a positive result in the sensitivity tests...
April 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28397005/sneaking-a-peek-pigeons-use-peripheral-vision-not-mirrors-to-find-hidden-food
#4
Emre Ünver, Alexis Garland, Sepideh Tabrik, Onur Güntürkün
A small number of species are capable of recognizing themselves in the mirror when tested with the mark-and-mirror test. This ability is often seen as evidence of self-recognition and possibly even self-awareness. Strangely, a number of species, for example monkeys, pigs and dogs, are unable to pass the mark test but can locate rewarding objects by using the reflective properties of a mirror. Thus, these species seem to understand how a visual reflection functions but cannot apply it to their own image. We tested this discrepancy in pigeons-a species that does not spontaneously pass the mark test...
April 10, 2017: Animal Cognition
https://www.readbyqxmd.com/read/28392243/persistence-and-resistance-to-extinction-in-the-domestic-dog-basic-research-and-applications-to-canine-training
#5
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/28386120/from-skeletal-muscle-to-stem-cells-an-innovative-and-minimally-invasive-process-for-multiple-species
#6
J Ceusters, J-Ph Lejeune, C Sandersen, A Niesten, L Lagneaux, D Serteyn
Bone marrow and adipose tissue represent the two most commonly exploited sources of adult mesenchymal stem cells for musculoskeletal applications. Unfortunately the sampling of bone marrow and fat tissue is invasive and does not always lead to a sufficient number of cells. The present study describes a novel sampling method based on microbiopsy of skeletal muscle in man, pigs, dogs and horses. The process includes explant of the sample, Percoll density gradient for isolation and subsequent culture of the cells...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28374284/the-scope-of-formal-explanation
#7
Sandeep Prasada
The existence of multiple modes of explanation means that a crucial step in the process of generating explanations has to be selecting a particular mode. The present article identifies the key conceptual, as well as some pragmatic and epistemological, considerations that license the use of the formal mode of explanation, and thus that enter into the process of selecting and generating a formal explanation. Formal explanations explain the presence of certain properties in an instance of a kind by reference to the kind of thing it is (e...
April 3, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28373848/the-current-status-of-the-ketogenic-diet-in-psychiatry
#8
REVIEW
Emmanuelle C S Bostock, Kenneth C Kirkby, Bruce V M Taylor
BACKGROUND: The ketogenic diet (KD) has been used in treatment-resistant epilepsy since the 1920s. It has been researched in a variety of neurological conditions in both animal models and human trials. The aim of this review is to clarify the potential role of KD in psychiatry. METHODS: Narrative review of electronic databases PubMED, PsychINFO, and Scopus. RESULTS: The search yielded 15 studies that related the use of KD in mental disorders including anxiety, depression, bipolar disorder, schizophrenia, autism spectrum disorder (ASD), and attention deficit hyperactivity disorder (ADHD)...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28367640/toxicokinetics-and-toxicity-of-potassium-2-1-hydroxypentyl-benzoate-in-beagle-dogs
#9
Jiang Li, Xiao-Liang Wang, Ai-Ping Wang, Shao-Feng Xu, Hong-Tao Jin
Potassium 2-(1-hydroxypentyl)-benzoate (dl-PHPB) is a prodrug of 3-n-butylphthalide (dl-NBP) for treatment of cerebral ischemic stroke in China, which undergoes lactonization to form dl-NBP in plasma. And, the phase II-III clinical trial of dl-PHPB has been approved by China Food and Drug Administration (CFDA) in 2013. In this study, a toxicity and toxicokinetics evaluation of dl-PHPB was performed using beagle dogs at specially high-dose 108 mg/kg/day (65-fold higher than humans at MHRD) for 4 weeks by intravenous administration, with a 3-week recovery period...
April 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28366653/preformulation-investigation-and-challenges-salt-formation-salt-disproportionation-and-hepatic-recirculation
#10
Kalle Sigfridsson, Lena Nilsson, Matti Ahlqvist, Thomas Andersson, Anna-Karin Granath
A compound, which is a selective peroxisome proliferator activated receptor (PPAR) agonist, was investigated. The aim of the presented studies was to evaluate the potential of the further development of the compound. Fundamental physicochemical properties and stability of the compound were characterized in solution by liquid chromatography and NMR and in solid-state by various techniques. The drug itself is a poorly soluble lipophilic acid with tendency to form aggregates in solution. The neutral form was only obtained in amorphous form with a glass-transition temperature of approximately 0°C...
March 30, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28364835/canine-tungiasis-high-prevalence-in-a-tourist-region-in-bahia-state-brazil
#11
Tatiani Vitor Harvey, Jorg Heukelbach, Maíra Siles Assunção, Thalna Magalhães Fernandes, Christiane Maria Barcellos Magalhães da Rocha, Renata Santiago Alberto Carlos
Tungiasis is a parasitic skin disease neglected by authorities, health professionals, and the general population. Its occurrence is significantly associated with poverty. A cross-sectional study was conducted to describe the prevalence of tungiasis, associated clinical signs and risk factors of the canine population at a tourist site in the city of Ilhéus, Bahia (northeast Brazil). All village households were visited and dogs inspected after authorization by owners. A semi-structured questionnaire was administered...
April 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28359771/hydrogen-rich-saline-attenuates-anxiety-like-behaviors-in-morphine-withdrawn-mice
#12
Di Wen, Peng Zhao, Rongji Hui, Jian Wang, Qianchao Shen, Miao Gong, Hongyan Guo, Bin Cong, Chunling Ma
Hydrogen therapy is a new medical approach for a wide range of diseases. The effects of hydrogen on central nervous system-related diseases have recently become increasingly appreciated, but little is known about whether hydrogen affects the morphine withdrawal process. This study aims to investigate the potential effects of hydrogen-rich saline (HRS) administration on naloxone-precipitated withdrawal symptoms and morphine withdrawal-induced anxiety-like behaviors. Mice received gradually increasing doses (25-100 mg/kg, i...
March 28, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28352471/genetic-mapping-of-principal-components-of-canine-pelvic-morphology
#13
Mark J Fealey, Joy Li, Rebel J E Todhunter, Ursula Krotscheck, Kei Hayashi, Marina J McConkey, Adam R Boyko, Jessica J Hayward, Rory J Todhunter
BACKGROUND: Concentrated breeding effort to produce various body structures and behaviors of dogs to suit human demand has inadvertently produced unwanted traits and diseases that accompany the morphological and behavioral phenotypes. We explored the relationship between pelvic conformation and canine hip dysplasia (HD) because purebred dogs which are predisposed, or not, to HD share common morphologic features, respectively. Thirteen unique bilateral anatomical features of the pelvis were measured on 392 dogs of 51 breeds and 95 mixed breed dogs...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28346126/agreement-between-cytology-and-histopathology-for-regional-lymph-node-metastasis-in-dogs-with-melanocytic-neoplasms
#14
Janet A Grimes, Brad M Matz, Pete W Christopherson, Jey W Koehler, Kelsey K Cappelle, Katelyn C Hlusko, Annette Smith
Melanocytic neoplasms are common in dogs and frequently occur within the oral cavity or in haired skin. The behavior of melanocytic neoplasms is variable and depends on tumor location, size, and histopathologic features. This study compared cytopathology and histopathology of 32 lymph nodes from 27 dogs diagnosed with melanocytic neoplasms. Agreement between the original cytology report, cytology slide review, original histopathology report, and histopathology slide review was determined for each lymph node...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28337489/antibiotic-resistance-profiling-and-microbiota-of-the-upper-respiratory-tract-of-apparently-healthy-dogs-in-ibadan-south-west-nigeria
#15
Oluwafemi Babatunde Daodu, Elizabeth Adesola Amosun, Daniel Oladimeji Oluwayelu
BACKGROUND: Rearing of dogs and other pets has become increasingly popular in modern society. Bacterial flora resides within the nasal and oral cavities of dogs and when chanced, can be pathogenic. Certain similarities between humans and dogs portends dangerous behavioral habits that could lead to zoonotic disease transmission. This study was aimed at isolation, identification and antibiotic profiling of bacteria from nasal swabs of apparently healthy dogs. The zoonotic risk was also considered...
2017: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28333494/taxonomic-and-thematic-semantic-systems
#16
Daniel Mirman, Jon-Frederick Landrigan, Allison E Britt
Object concepts are critical for nearly all aspects of human cognition, from perception tasks like object recognition, to understanding and producing language, to making meaningful actions. Concepts can have 2 very different kinds of relations: similarity relations based on shared features (e.g., dog-bear), which are called "taxonomic" relations, and contiguity relations based on co-occurrence in events or scenarios (e.g., dog-leash), which are called "thematic" relations. Here, we report a systematic review of experimental psychology and cognitive neuroscience evidence of this distinction in the structure of semantic memory...
May 2017: Psychological Bulletin
https://www.readbyqxmd.com/read/28331247/unintentional-childhood-injuries-in-urban-delhi-a-community-based-study
#17
Giridara Gopal Parmeswaran, Mani Kalaivani, Sanjeev Kumar Gupta, Anil Kumar Goswami, Baridalyne Nongkynrih
BACKGROUND: Childhood injuries claim around a million lives around the world each year. A community-based study on childhood injuries would provide valuable information on the epidemiology of injuries. OBJECTIVE: To assess the prevalence of unintentional childhood injuries in an urban locality and determine various sociodemo graphic factors associated with childhood injuries. METHODS: The study was done in urban Delhi among 1,639 children aged less than 18 years...
January 2017: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/28327184/catestatin-vasostatin-cortisol-and-pain-assessments-in-dogs-suffering-from-traumatic-bone-fractures
#18
Thanikul Srithunyarat, Ragnvi Hagman, Odd V Höglund, Mats Stridsberg, Ulf Olsson, Jeanette Hanson, Chalermkwan Nonthakotr, Anne-Sofie Lagerstedt, Ann Pettersson
BACKGROUND: Traumatic bone fractures cause moderate to severe pain, which needs to be minimized for optimal recovery and animal welfare, illustrating the need for reliable objective pain biomarkers for use in a clinical setting. The objectives of this study were to investigate catestatin (CST) and vasostatin (VS) concentrations as two new potential biomarkers, and cortisol concentrations, scores of the short form of the Glasgow composite measure pain scale (CMPS-SF), and visual analog scale (VAS) in dogs suffering from traumatic bone fractures before and after morphine administration in comparison with healthy dogs...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28321510/dna-methylation-patterns-of-behavior-related-gene-promoter-regions-dissect-the-gray-wolf-from-domestic-dog-breeds
#19
Zsofia Banlaki, Giulia Cimarelli, Zsofia Viranyi, Eniko Kubinyi, Maria Sasvari-Szekely, Zsolt Ronai
A growing body of evidence highlights the relationship between epigenetics, especially DNA methylation, and population divergence as well as speciation. However, little is known about how general the phenomenon of epigenetics-wise separation of different populations is, or whether population assignment is, possible based on solely epigenetic marks. In the present study, we compared DNA methylation profiles between four different canine populations: three domestic dog breeds and their ancestor the gray wolf...
March 21, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28306133/injection-of-toll-like-receptor-4-sirna-into-the-ventrolateral-periaqueductal-gray-attenuates-withdrawal-syndrome-in-morphine-dependent-rats
#20
Q F Liu, L Li, Y Q Guo, X Li, Z D Mou, X Wang, G Z Du
We assessed the role of the Toll-like receptor 4 (TLR4) gene in the ventrolateral periaqueductal gray (vlPAG) region of morphine-dependent rats on attenuating withdrawal syndrome, and regulating glutamic acid decarboxylase (GAD67), glutamic acid (Glu), and gamma-aminobutyric acid (GABA). After siRNA-mediated downregulation of TLR4, changes were observed in withdrawal behavior and downstream signaling molecules. Rats were injected into the vlPAG with TLR4 siRNA, followed by intraperitoneal injection of morphine for 5 consecutive days, and then naloxone, and the behavioral indices of morphine withdrawal were observed...
December 1, 2016: Archives Italiennes de Biologie
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