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https://www.readbyqxmd.com/read/28797909/smelling-themselves-dogs-investigate-their-own-odours-longer-when-modified-in-an-olfactory-mirror-test
#1
Alexandra Horowitz
While domestic dogs, Canis familiaris, have been found to be skillful at social cognitive tasks and even some meta-cognitive tasks, they have not passed the test of mirror self-recognition (MSR). Acknowledging the motivational and sensory challenges that might hinder performance, even before the question of self-recognition is broached, this study creates and enacts a novel design extrapolated from the species' natural behaviour. Given dogs' use of olfactory signals in communication, this experiment presents dogs with various canisters for approach and investigation...
August 7, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28795786/necroulcerative-hemorrhagic-gastritis-in-a-cat-secondary-to-the-administration-of-3-hydrogen-peroxide-as-an-emetic-agent
#2
Teresa D Obr, Joanna K Fry, Justine A Lee, Heidi A Hottinger
OBJECTIVE: To describe a case of necroulcerative gastritis in a cat secondary to administration of 3% hydrogen peroxide as an emetic agent. CASE SUMMARY: A 10-year-old neutered male domestic shorthair was evaluated for hematemesis less than 24 hours following ingestion of a piece of foam. The pet owner had administered 2 doses of 0.5-1.0 tablespoons (7.5-15 mL) of 3% hydrogen peroxide in an attempt to induce emesis at home; emesis was achieved and produced the foam foreign body...
August 10, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28791727/morphology-and-classification-of-right-ventricular-bands-in-the-domestic-dog-canis-familiaris
#3
L A Cope
Ventricular bands, also designated as 'false tendons', are described as single or multiple strands that cross the ventricles and have no connection to valvular cusps. Previous work indicates these strands are present in the ventricles of humans and some animal hearts and not always associated with cardiac pathologies. Despite these previous studies, the published literature is limited in documenting the morphology of these strands and incidence in animals. In this study, examination of 89 hearts showed six types of ventricular bands in the right ventricle of the domestic dog...
August 9, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28776031/structural-variants-in-genes-associated-with-human-williams-beuren-syndrome-underlie-stereotypical-hypersociability-in-domestic-dogs
#4
Bridgett M vonHoldt, Emily Shuldiner, Ilana Janowitz Koch, Rebecca Y Kartzinel, Andrew Hogan, Lauren Brubaker, Shelby Wanser, Daniel Stahler, Clive D L Wynne, Elaine A Ostrander, Janet S Sinsheimer, Monique A R Udell
Although considerable progress has been made in understanding the genetic basis of morphologic traits (for example, body size and coat color) in dogs and wolves, the genetic basis of their behavioral divergence is poorly understood. An integrative approach using both behavioral and genetic data is required to understand the molecular underpinnings of the various behavioral characteristics associated with domestication. We analyze a 5-Mb genomic region on chromosome 6 previously found to be under positive selection in domestic dog breeds...
July 2017: Science Advances
https://www.readbyqxmd.com/read/28765081/intranasal-oxytocin-and-a-polymorphism-in-the-oxytocin-receptor-gene-are-associated-with-human-directed-social-behavior-in-golden-retriever-dogs
#5
Mia E Persson, Agaia J Trottier, Johan Bélteky, Lina S V Roth, Per Jensen
The oxytocin system may play an important role in dog domestication from the wolf. Dogs have evolved unique human analogue social skills enabling them to communicate and cooperate efficiently with people. Genomic differences in the region surrounding the oxytocin receptor (OXTR) gene have previously been associated with variation in dogs' communicative skills. Here we have utilized the unsolvable problem paradigm to investigate the effects of oxytocin and OXTR polymorphisms on human-directed contact seeking behavior in 60 golden retriever dogs...
July 29, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28761491/evaluation-of-microsatellites-markers-to-discriminate-four-main-taeniid-tapeworms-of-dogs
#6
Saeedeh Shamsaddini, Mohammad Ali Mohammadi, Seyed Reza Mirbadie, Saeid Nasibi, Sima Rostami, Mansoureh Dehghani, Majid Fasihi Harandi
BACKGROUND: Echinococcus granulosus, Taenia multiceps, Taenia ovis and Taenia hydatigena are among the most prevalent taeniid species of dogs. These tapeworms infect ruminant and humans as intermediate hosts and domestic/wild carnivores as the definitive hosts. Molecular tools using hypervariable microsatellite regions might provide more information about parasite variation. Highly variable and specific tools are needed for transmission tracking studies of canine echinococcosis as an essential element for implementation of hydatid control programs...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28761487/parasitological-serological-and-molecular-study-of-dirofilaria-immitis-in-domestic-dogs-southeastern-iran
#7
Mehdi Bamorovat, Iraj Sharifi, Majid Fasihi Harandi, Saeed Nasibi, Balal Sadeghi, Javad Khedri, Mohammad Ali Mohammadi
BACKGROUND: Dirofilariasis is a serious and potentially deadly condition in dogs and one of the zoonotic filarial infections, which inadvertently affects the humans. The objectives of this study were to determine the seroprevalence and the molecular identity of dirofilariasis in Kerman Province, southeastern Iran between Jul and Aug 2013. METHODS: A hundred and forty-nine domestic dogs were randomly selected and five ml blood samples were taken from each dog. One ml of anticoagulant (EDTA) was used for each test in the parasitological study (modified Knott's test) and sera samples were examined, using ELISA kit to detect Dirofilaria immitis antigen...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28761456/visceral-leishmaniasis-in-southeastern-iran-a-narrative-review
#8
REVIEW
Iraj Sharifi, Mohammad Reza Aflatoonian, Mohammad Hossein Daei Parizi, Ali Hosseininasab, Mahshid Mostafavi, Mehdi Bamorovat, Abass Aghaei Afshar, Mehdi Mohebali, Hossein Keshavarz, Hamid Daneshvar, Zahra Babaei, Hossein Mahmoudvand, Mohammad Ali Mohammadi, Fatemeh Sharifi, Mohammad Barati, Hossein Kamiabi, Tabandeh Khaleghi
BACKGROUND: Visceral leishmaniasis (VL) has strong links with poverty, substantial medical and veterinary impacts. This review aimed to focus in studies published during 1994-2016 on VL in southeastern Iran. METHODS: The present review is based on expert knowledge and historical studies published during the past 23 yr (1994-2016) on VL in southeastern Iran. In addition, related literature found in PubMed by using the keywords such as visceral leishmaniasis, kala-azar, and Leishmania infantum are included...
January 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28759337/detection-of-coxiella-burnetii-dna-in-peridomestic-and-wild-animals-and-ticks-in-an-endemic-region-canary-islands-spain
#9
Margarita Bolaños-Rivero, Cristina Carranza-Rodríguez, Noe F Rodríguez, Carlos Gutiérrez, José-Luis Pérez-Arellano
Coxiella burnetii, the etiological agent of human Q fever, can infect mammals, birds, and arthropods. The Canary Islands (Spain) are considered an endemic territory, with a high prevalence in both humans and livestock. Nonetheless, there is no epidemiological information about the wild and peridomestic cycles of C. burnetii. Tissue samples from rodents on farms (100) and wild rabbits (129) were collected and assessed by PCR to detect C. burnetii DNA. In parallel, ticks were also collected from vegetation (1169), livestock (335), domestic dogs (169), and wild animals (65)...
July 31, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28754138/serological-and-pcr-investigation-of-yersinia-pestis-in-potential-reservoir-hosts-from-a-plague-outbreak-focus-in-zambia
#10
S S Nyirenda, B M Hang'ombe, E Mulenga, B S Kilonzo
BACKGROUND: Plague is a bacterial zoonotic disease, caused by Yersinia pestis. Rodents are the natural hosts with fleas as the vehicle of disease transmission. Domestic and wild dogs and cats have also been identified as possible disease hosts. In Zambia, plague outbreaks have been reported in the Southern and Eastern regions in the last 20 years. Based on these observations, Y. pestis could possibly be endemically present in the area. METHODS: To substantiate such possibility, sera samples were collected from rodents, shrews, dogs and cats for detection of antibodies against Fraction 1 gene (Fra1) of Y...
July 28, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28750866/two-novel-ehrlichia-strains-detected-in-amblyomma-tigrinum-ticks-associated-to-dogs-in-peri-urban-areas-of-argentina
#11
Gabriel L Cicuttin, M Nazarena De Salvo, Santiago Nava
The aim of this work was to describe two novel strains of Ehrlichia associated to Amblyomma tigrinum from Argentina. Molecular detection of agents belonging to the family Anaplasmataceae was performed targeting three different loci: 16S rRNA gene, dsb gene and a fragment of groESL heat shock operon. The results have shown that two different strains of Ehrlichia sp. associated to A. tigrinum are circulating in peri-urban areas of Argentina. The Ehrlichia strain detected in ticks from San Luis Province, named as Ehrlichia sp...
August 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28750142/feline-leukocyte-adhesion-cd18-deficiency-caused-by-a-deletion-in-the-integrin-%C3%AE-2-itgb2-gene
#12
Thomas R Bauer, Suzanne M Pratt, Christina M Palena, Karthik Raj, Urs Giger
BACKGROUND: Leukocyte adhesion deficiency (LAD) or CD18 deficiency is an autosomal recessive immunodeficiency which has been described in people, cattle, dogs, and knockout mice. OBJECTIVES: The study goals were to characterize the clinicopathologic, immunologic, and molecular genetic features of feline LAD (FLAD) in a neutered male adult Domestic Longhair cat with severe leukocytosis and recurrent infections. METHODS: Flow cytometry evaluated surface expression of CD18 on neutrophils...
July 27, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28750073/a-preliminary-study-to-estimate-contact-rates-between-free-roaming-domestic-dogs-using-novel-miniature-cameras
#13
Courtenay B Bombara, Salome Dürr, Gabriel E Machovsky-Capuska, Peter W Jones, Michael P Ward
Information on contacts between individuals within a population is crucial to inform disease control strategies, via parameterisation of disease spread models. In this study we investigated the use of dog-borne video cameras-in conjunction with global positioning systems (GPS) loggers-to both characterise dog-to-dog contacts and to estimate contact rates. We customized miniaturised video cameras, enclosed within 3D-printed plastic cases, and attached these to nylon dog collars. Using two 3400 mAh NCR lithium Li-ion batteries, cameras could record a maximum of 22 hr of continuous video footage...
2017: PloS One
https://www.readbyqxmd.com/read/28749303/gastric-dilatation-volvulus-in-adult-maned-wolves-chrysocyon-brachyurus
#14
Jenna D Hinton, Luis R Padilla, Priscilla H Joyner, Rodney Schnellbacher, Timothy F Walsh, Copper Aitken-Palmer
Gastric dilatation volvulus (GDV) was identified in six adult maned wolves ( Chrysocyon brachyurus ) housed at the Smithsonian Conservation Biology Institute in Front Royal, Virginia, and the Dickerson Park Zoo in Springfield, Missouri. Four individuals were found dead in their enclosures, and GDV was diagnosed postmortem based on radiographic and necropsy findings. Two individuals were diagnosed with GDV antemortem, with one wolf surviving following surgical intervention and supportive management. A concurrent splenic torsion was identified in three of six cases...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749297/ebstein-anomaly-in-the-tsushima-leopard-cat-prionailurus-bengalensis-euptilurus
#15
Shunsuke Shimamura, Yukihiro Shiota, Naoko Takagi, Tatsuya Habara, Shougo Hirata, Hitoshi Komai, Satoko Nishimura, Hiroyuki Tani, Terumasa Shimada
Ebstein anomaly is a rare congenital heart disease that has been described in domestic dogs, a meerkat, a pygmy goat, and a lion. An 11-mo-old Tsushima leopard cat presented to Osaka Prefecture University Veterinary Hospital for diagnosis and treatment of right-sided congestive heart failure. Echocardiography showed a dilated right atrium and ventricle with an enlarged tricuspid valve annulus and apical displacement of the tricuspid valve leaflets. The cat was diagnosed with Ebstein anomaly. To the best of our knowledge, this is the first report of this type of congenital heart disease in a Tsushima leopard cat...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28746407/prehistoric-mitochondrial-dna-of-domesticate-animals-supports-a-13th-century-exodus-from-the-northern-us-southwest
#16
Brian M Kemp, Kathleen Judd, Cara Monroe, Jelmer W Eerkens, Lindsay Hilldorfer, Connor Cordray, Rebecca Schad, Erin Reams, Scott G Ortman, Timothy A Kohler
The 13th century Puebloan depopulation of the Four Corners region of the US Southwest is an iconic episode in world prehistory. Studies of its causes, as well as its consequences, have a bearing not only on archaeological method and theory, but also social responses to climate change, the sociology of social movements, and contemporary patterns of cultural diversity. Previous research has debated the demographic scale, destinations, and impacts of Four Corners migrants. Much of this uncertainty stems from the substantial differences in material culture between the Four Corners vs...
2017: PloS One
https://www.readbyqxmd.com/read/28738085/a-bayesian-spatio-temporal-model-for-forecasting-anaplasma-species-seroprevalence-in-domestic-dogs-within-the-contiguous-united-states
#17
Yan Liu, Stella C Watson, Jenna R Gettings, Robert B Lund, Shila K Nordone, Michael J Yabsley, Christopher S McMahan
This paper forecasts the 2016 canine Anaplasma spp. seroprevalence in the United States from eight climate, geographic and societal factors. The forecast's construction and an assessment of its performance are described. The forecast is based on a spatial-temporal conditional autoregressive model fitted to over 11 million Anaplasma spp. seroprevalence test results for dogs conducted in the 48 contiguous United States during 2011-2015. The forecast uses county-level data on eight predictive factors, including annual temperature, precipitation, relative humidity, county elevation, forestation coverage, surface water coverage, population density and median household income...
2017: PloS One
https://www.readbyqxmd.com/read/28735670/concomitant-malignant-pulmonary-peripheral-nerve-sheath-tumour-and-benign-cutaneous-peripheral-nerve-sheath-tumour-in-a-dog
#18
E O Silva, P F I Goiozo, L G Pereira, S A Headley, A F R L Bracarense
Peripheral nerve sheath tumours (PNSTs) are neoplastic growths derived from Schwann cells, perineural cells or both. Malignant PNSTs (MPNSTs) are uncommon in domestic animals. This report describes the concomitant occurrence of PNSTs in a 10-year-old female cocker spaniel with a clinical history of respiratory impairment. Grossly, there was a large infiltrative mass in the caudal lobe of the right lung; smaller nodules were observed in the other lobes of the right lung. Furthermore, a small encapsulated cutaneous nodule was observed on the left hindlimb...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28728938/didelphis-albiventris-naturally-infected-with-hepatozoon-canis-in-southeastern-brazil
#19
Maria Regina Lucas da Silva, Felipe Fornazari, Larissa de Castro Demoner, Carlos Roberto Teixeira, Helio Langoni, Lucia Helena O'Dwyer
Hepatozoon species are vector-borne pathogens that infect domestic and wild animals. Marsupials of the species Didelphis albiventris are adapted to urban and peri-urban areas and act as reservoir hosts for several parasites. The present study evaluated the occurrence of infection by Hepatozoon species in synantropic D. albiventris from Botucatu, São Paulo, Brazil. Blood samples and ectoparasites from 19 D. albiventris were collected from urban and peri-urban areas. Hepatozoon spp. detection was performed by microscopy and molecular analysis...
July 14, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28724851/potential-risk-of-viral-transmission-from-flying-foxes-to-domestic-animals-and-humans-on-the-southern-coast-of-west-java-indonesia
#20
Chaerul Basri, Eko Muhammad Zainal Arifin, Hitoshi Takemae, Yupadee Hengjan, Keisuke Iida, Etih Sudarnika, Abdul Zahid, Retno Damayanti Soejoedono, Heru Susetya, Bambang Sumiarto, Ryosuke Kobayashi, Srihadi Agungpriyono, Eiichi Hondo
Flying foxes have been considered to be involved in the transmission of serious infectious diseases to humans. Using questionnaires, we aimed to determine the direct and/or indirect contacts of flying foxes in an Indonesian nature conservation area with domestic animals and humans living in the surrounding area. We surveyed 150 residents of 10 villages in West Java. Villages were classified into 3 groups: inside and/or within 1 km from the outer border of the conservation area and 1-5 km or 5-10 km away from the reserve's outer border...
July 20, 2017: Journal of Veterinary Medical Science
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