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https://www.readbyqxmd.com/read/28302420/a-cryptic-mitochondrial-dna-link-between-north-european-and-west-african-dogs
#1
Adeniyi C Adeola, Sheila C Ommeh, Jiao-Jiao Song, S Charles Olaogun, Oscar J Sanke, Ting-Ting Yin, Guo-Dong Wang, Shi-Fang Wu, Zhong-Yin Zhou, Jacqueline K Lichoti, Bernard R Agwanda, Philip M Dawuda, Robert W Murphy, Min-Sheng Peng, Ya-Ping Zhang
Domestic dogs have an ancient origin and a long history in Africa. Nevertheless, the timing and sources of their introduction into Africa remain enigmatic. Herein, we analyse variation in mitochondrial DNA (mtDNA) D-loop sequences from 345 Nigerian and 37 Kenyan village dogs plus 1530 published sequences of dogs from other parts of Africa, Europe and West Asia. All Kenyan dogs can be assigned to one of three haplogroups (matrilines; clades): A, B, and C, while Nigerian dogs can be assigned to one of four haplogroups A, B, C, and D...
November 24, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28295653/paracoccidioidomycosis-infection-in-domestic-and-wild-mammals-by-paracoccidioides-lutzii
#2
Josiara F Mendes, Gabriel B Klafke, Ana Paula N Albano, Ângela L Cabana, Alessandra J Teles, Zoilo P de Camargo, Melissa O Xavier, Mário Carlos A Meireles
Paracoccidioidomycosis (PCM) is a systemic mycosis that occurs in several Latin American countries, especially in Brazil. It is caused by the thermo-dimorphic fungus Paracoccidioides spp. Serological studies to detect animal infection represent an excellent strategy for data on the agent's ecology. Although the state of Rio Grande do Sul (RS) is an endemic area for PCM in humans, there is scarce information available on the ecology of the agent in the region. This study aimed to investigate the infection by Paracoccidioides lutzii in animals living in RS, Brazil...
March 10, 2017: Mycoses
https://www.readbyqxmd.com/read/28291601/molecular-detection-of-hepatozoon-spp-in-domestic-dogs-and-wild-mammals-in-southern-pantanal-brazil-with-implications-in-the-transmission-route
#3
Keyla Carstens Marques de Sousa, Marina Pugnaghi Fernandes, Heitor Miraglia Herrera, Jyan Lucas Benevenute, Filipe Martins Santos, Fabiana Lopes Rocha, Wanessa Teixeira Gomes Barreto, Gabriel Carvalho Macedo, João Bosco Campos, Thiago Fernandes Martins, Pedro Cordeiro Estrela de Andrade Pinto, Darci Barros Battesti, Eliane Mattos Piranda, Paulo Henrique Duarte Cançado, Rosangela Zacarias Machado, Marcos Rogério André
Hepatozoon parasites comprise intracellular apicomplexan parasites transmitted to vertebrate animals by ingestion of arthropods definitive hosts. The present work aimed to investigate the occurrence of Hepatozoon spp. in wild animals, domestic dogs and their respective ectoparasites, in southern Pantanal region, central-western Brazil, by molecular techniques. Between August 2013 and March 2015, 31 coatis (Nasua nasua), 78 crab-eating foxes (Cerdocyon thous), seven ocelots (Leopardus pardalis), 42 dogs (Canis lupus familiaris), 110 wild rodents (77 Thichomys fosteri, 25 Oecomys mamorae, and 8 Clyomys laticeps), 30 marsupials (14 Thylamys macrurus, 11 Gracilinanus agilis, 4 Monodelphis domestica and 1 Didelphis albiventris), and 1582 ticks and 80 fleas collected from the sampled animals were investigated...
February 22, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28289569/diverse-bacterial-communities-exist-on-canine-skin-and-are-impacted-by-cohabitation-and-time
#4
Sheila Torres, Jonathan B Clayton, Jessica L Danzeisen, Tonya Ward, Hu Huang, Dan Knights, Timothy J Johnson
It has previously been shown that domestic dogs and their household owners share bacterial populations, and that sharing of bacteria between humans is facilitated through the presence of dogs in the household. However, less is known regarding the bacterial communities of dogs, how these communities vary by location and over time, and how cohabitation of dogs themselves influences their bacterial community. Furthermore, the effects of factors such as breed, hair coat length, sex, shedding, and age on the canine skin microbiome is unknown...
2017: PeerJ
https://www.readbyqxmd.com/read/28289568/human-head-orientation-and-eye-visibility-as-indicators-of-attention-for-goats-capra-hircus
#5
Christian Nawroth, Alan G McElligott
Animals domesticated for working closely with humans (e.g. dogs) have been shown to be remarkable in adjusting their behaviour to human attentional stance. However, there is little evidence for this form of information perception in species domesticated for production rather than companionship. We tested domestic ungulates (goats) for their ability to differentiate attentional states of humans. In the first experiment, we investigated the effect of body and head orientation of one human experimenter on approach behaviour by goats...
2017: PeerJ
https://www.readbyqxmd.com/read/28288762/horses-infected-by-piroplasms-different-from-babesia-caballi-and-theileria-equi-species-identification-and-risk-factors-analysis-in-italy
#6
Stefania Zanet, Marina Bassano, Anna Trisciuoglio, Ivo Taricco, Ezio Ferroglio
Equine Piroplasmosis (EP) caused by Theileria equi and Babesia caballi is a disease affecting the health and the international movement of horses. In order to assess prevalence of Piroplasmid infection in the Northwestern part of Italy and to evaluate the associated risk factors, whole blood was collected from 135 horses from 7 different stables across the study area. PCR and sequencing were used to assess prevalence of infection and to identify detected Piroplasms to species level. A total of 23 horses (P=17...
March 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28287754/characterizing-autism-relevant-social-behavior-in-poodles-via-owner-report
#7
Rachel M Zamzow, Lisa Lit, Shelley Hamilton, David Q Beversdorf
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder characterized by deficits in social communication and the presence of restricted, repetitive behaviors. It can be difficult to model the complex behavioral features of this disorder with rodent models, which have limited similarity to human behaviors. The domestic dog may be a promising model of complex human behavior, including core features of ASD. The present study examines ASD-relevant social behavior in Miniature and Standard Poodles using an owner-report questionnaire with questions adapted from the Autism Diagnostic Observation Schedule (Lord, Rutter, DiLavore, & Risi, 2000)...
March 13, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28287391/seroprevalence-of-toxoplasma-gondii-in-domestic-pets-from-metropolitan-regions-of-panama
#8
Claudia Rengifo-Herrera, Edwin Pile, Anabel García, Alexander Pérez, Dimas Pérez, Felicia K Nguyen, Valli de la Guardia, Rima Mcleod, Zuleima Caballero
Toxoplasmosis is a worldwide zoonotic disease but information regarding domestic animals in Central America is scarce and fragmented. The aim of this study was to determine the seroprevalence of Toxoplasma gondii in domestic cats and dogs in different metropolitan regions of Panama. A total of 576 samples were collected; sera from 120 cats and 456 dogs were tested using a commercial indirect enzyme-linked immunosorbent assay (ELISA). The overall seroprevalence of IgG antibodies was 30.73%. There is high seroprevalence of T...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28285591/black-backed-jackals-canis-mesomelas-are-natural-hosts-of-babesia-rossi-the-virulent-causative-agent-of-canine-babesiosis-in-sub-saharan-africa
#9
Barend L Penzhorn, Ilse Vorster, Robert F Harrison-White, Marinda C Oosthuizen
BACKGROUND: Babesia rossi, which is transmitted by Haemaphysalis spp. and is highly virulent to domestic dogs, occurs only in sub-Saharan Africa. Since dogs are not native to the region, it has been postulated that the natural host of B. rossi is an indigenous African canid. Although various attempts at artificial infection indicated that black-backed jackals (Canis mesomelas) could become subclinically infected with B. rossi, data on occurrence of B. rossi in free-ranging jackals was lacking...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28278269/small-rodents-as-paratenic-or-intermediate-hosts-of-carnivore-parasites-in-berlin-germany
#10
Jürgen Krücken, Julia Blümke, Denny Maaz, Janina Demeler, Sabrina Ramünke, Daniela Antolová, Roland Schaper, Georg von Samson-Himmelstjerna
Rodents are important intermediate and paratenic hosts for carnivore parasites, including the important zoonotic agents Toxoplasma, Echinococcus and Toxocara. Monitoring of such parasites in rodents can be used to detect increasing risks for human and veterinary public health. Rodents were trapped at four sites in Berlin, two near the city center, two at the periphery. PCRs were conducted to detect Coccidia (target ITS-1) and specifically Toxoplasma gondii (repetitive element) in brain and ascarids (ITS-2) in muscle or brain tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28274808/diversity-of-rickettsiae-in-a-rural-community-in-northern-california
#11
Nicole Stephenson, Alexandra Blaney, Deana Clifford, Mourad Gabriel, Greta Wengert, Patrick Foley, Richard N Brown, Mark Higley, Sarah Buckenberger-Mantovani, Janet Foley
Far northern California forests are highly biodiverse in wildlife reservoirs and arthropod vectors that may propagate rickettsial pathogens in nature. The proximity of small rural communities to these forests puts people and domestic animals at risk of vector-borne infection due to spillover from wildlife. The current study was conducted to document exposure to rickettsial pathogens in people and domestic animals in a rural community, and identify which rickettsiae are present in sylvatic and peri-domestic environments near this community...
February 27, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28274248/a-bayesian-spatio-temporal-model-for-forecasting-the-prevalence-of-antibodies-to-ehrlichia-species-in-domestic-dogs-within-the-contiguous-united-states
#12
Yan Liu, Robert B Lund, Shila K Nordone, Michael J Yabsley, Christopher S McMahan
BACKGROUND: Dogs in the United States are hosts to a diverse range of vector-borne pathogens, several of which are important zoonoses. This paper describes factors deemed to be significantly related to the prevalence of antibodies to Ehrlichia spp. in domestic dogs, including climatic conditions, geographical factors, and societal factors. These factors are used in concert with a spatio-temporal model to construct an annual seroprevalence forecast. The proposed method of forecasting and an assessment of its fidelity are described...
March 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28272409/reward-type-and-behavioural-patterns-predict-dogs-success-in-a-delay-of-gratification-paradigm
#13
Désirée Brucks, Matteo Soliani, Friederike Range, Sarah Marshall-Pescini
Inhibiting an immediate behaviour in favour of an alternative but more advantageous behaviour has been linked to individual success in life, especially in humans. Dogs, which have been living in the human environment for thousands of years, are exposed to daily situations that require inhibition different in context from other non-domesticated species. One task regularly used to study inhibitory control is the delay of gratification task, which requires individuals to choose between an immediate option of lower value and a delayed option of higher value...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264903/longitudinal-quasi-static-stability-predicts-changes-in-dog-gait-on-rough-terrain
#14
Simon Wilshin, Michelle A Reeve, G Clark Haynes, Shai Revzen, Daniel E Koditschek, Andrew J Spence
Legged animals utilize gait selection to move effectively and must re-cover from environmental perturbations. We show that on rough terrain domestic dogs, Canis lupus familiaris, spend more time in longitudinal quasi-statically stable patterns of movement. Here longitudinal refers to the rostro-caudal, axis. We used an existing model in the literature to quantify the longitudinal quasi-static stability of gaits neighbouring the walk, and found that trot-like gaits are more stable. We thus hypothesized that when perturbed, the rate of return to a stable gait would depend on the direction of perturbation, such that perturbations towards less quasi-statically stable patterns of movement would be more rapid than those towards more stable patterns of movement...
March 6, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28264806/multidisciplinary-approach-to-the-management-of-a-case-of-classical-respiratory-diphtheria-requiring-percutaneous-endoscopic-gastrostomy-feeding
#15
Matthew James Haywood, Ananth Vijendren, Vikas Acharya, Rohinton Mulla, Miss Jaan Panesar
We present a case of a Caucasian woman aged 67 years referred with a 4-day history of sore throat, dysphagia, fever and nasal blockage. Examination revealed a swollen neck and pharyngeal pseudomembrane. A throat swab was positive on culture for Corynebacterium ulcerans, with toxin expression confirmed on PCR and Elek testing. A diagnosis of classical respiratory diphtheria was made, with subsequent confirmation of the patient's domesticated dog as the source of infection. The dog had recently been attacked by a wild badger and was being treated for an ear infection...
March 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28261586/aging-and-veterinary-care-of-cats-dogs-and-horses-through-the-records-of-three-university-veterinary-hospitals
#16
Bruno Cozzi, Cristina Ballarin, Roberto Mantovani, Ada Rota
The present article examines over 63,000 medical records belonging to the Veterinary Hospitals of the Universities of Bologna, Torino, and Padova, all in Northern Italy, and relative to dogs (approximately 50,000), cats (approximately 12,000), and companion horses (slightly less than 1,000). The animals of the three species were divided into age classes and categorized per sex into males, females, and neutered individuals. The mean age at visit and the effects of age classes and category (analyzed via ANOVA) are presented and discussed...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28260991/detection-of-lyme-disease-bacterium-borrelia-burgdorferi-sensu-lato-in-blacklegged-ticks-collected-in-the-grand-river-valley-ontario-canada
#17
John D Scott, Janet E Foley, John F Anderson, Kerry L Clark, Lance A Durden
We document the presence of blacklegged ticks, Ixodes scapularis, in the Grand River valley, Centre Wellington, Ontario. Overall, 15 (36%) of 42 I. scapularis adults collected from 41 mammalian hosts (dogs, cats, humans) were positive for the Lyme disease bacterium, Borrelia burgdorferi sensu lato (s.l.). Using real-time PCR testing and DNA sequencing of the flagellin (fla) gene, we determined that Borrelia amplicons extracted from I. scapularis adults belonged to B. burgdorferi sensu stricto (s.s.), which is pathogenic to humans and certain domestic animals...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28257443/analysis-of-large-versus-small-dogs-reveals-three-genes-on-the-canine-x-chromosome-associated-with-body-weight-muscling-and-back-fat-thickness
#18
Jocelyn Plassais, Maud Rimbault, Falina J Williams, Brian W Davis, Jeffrey J Schoenebeck, Elaine A Ostrander
Domestic dog breeds display significant diversity in both body mass and skeletal size, resulting from intensive selective pressure during the formation and maintenance of modern breeds. While previous studies focused on the identification of alleles that contribute to small skeletal size, little is known about the underlying genetics controlling large size. We first performed a genome-wide association study (GWAS) using the Illumina Canine HD 170,000 single nucleotide polymorphism (SNP) array which compared 165 large-breed dogs from 19 breeds (defined as having a Standard Breed Weight (SBW) >41 kg [90 lb]) to 690 dogs from 69 small breeds (SBW ≤41 kg)...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28245980/assessment-of-domestic-cat-personality-as-perceived-by-416-owners-suggests-six-dimensions
#19
Pauleen C Bennett, Nicholas J Rutter, Jessica K Woodhead, Tiffani J Howell
Understanding individual behavioral differences in domestic cats could lead to improved selection when potential cat owners choose a pet with whom to share their lives, along with consequent improvements in cat welfare. Yet very few attempts have been made to elicit cat personality dimensions using the trait-based exploratory approaches applied previously, with some success, to humans and dogs. In this study, a list of over 200 adjectives used to describe cat personality was assembled. This list was refined by two focus groups...
February 27, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28244789/investigation-on-the-zoonotic-trematode-species-and-their-natural-infection-status-in-huainan-areas-of-china
#20
Xiao-Dong Zhan, Chao-Pin Li, Bang-He Yang, Yu-Xia Zhu, Ye Tian, Jing Shen, Jin-Hong Zhao
BACKGROUND: To investigate the species of zoonotic trematodes and the endemic infection status in the domestic animals in Huainan areas, north Anhui province of China, we intent to provide evidences for prevention of the parasitic zoonoses. METHODS: The livestock and poultry (definitive hosts) were purchased from the farmers living in the water areas, including South Luohe, Yaohe, Jiaogang and Gaotang Lakes, and dissected the viscera of these collected hosts to obtain the parasitic samples...
February 1, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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