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https://www.readbyqxmd.com/read/28929396/prevalence-of-echinococcus-granulosus-taeniasis-in-stray-dogs-in-the-region-of-constantine-north-east-algeria
#1
K Kohil, M C Benchikh El Fegoun, M Gharbi
In North Africa, the domestic dog is regarded as the main reservoir for infection by Echinococcus granulosus of domestic livestock and man. In Algeria, there is very little data on the rate of infestation of dogs, while the prevalence of E. granulosus in the definitive host is a very reliable marker of the potential risk of transmission of cystic tapeworm to humans and livestock. To find out this information, a survey was conducted to assess the prevalence of infection with E. granulosus in stray dogs in the region of Constantine (North-East Algeria)...
September 20, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28927435/detection-and-quantification-of-spirocerca-lupi-by-hrm-qpcr-in-fecal-samples-from-dogs-with-spirocercosis
#2
Alicia Rojas, Gilad Segev, Alex Markovics, Itamar Aroch, Gad Baneth
BACKGROUND: Spirocerca lupi, the dog oesophageal nematode, causes a potentially fatal disease in domestic dogs, and is currently clinically diagnosed by coproscopy and oesophagoscopy. To date, a single molecular method, a semi-nested PCR, targeting the cox1 gene, has been developed to aid in the diagnosis of spirocercosis. The present study describes three novel high-resolution melt (HRM) quantitative PCR (qPCR) assays targeting fragments of the ITS1, 18S and cytb loci of S. lupi. The performance of these molecular assays in feces was compared to fecal flotation and to the previously described cox1 gene semi-nested PCR in 18 fecal samples from dogs with clinical oesophageal spirocercosis diagnosed by oesophagoscopy...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28927427/first-molecular-detection-and-characterization-of-zoonotic-bartonella-species-in-fleas-infesting-domestic-animals-in-tunisia
#3
Saba Zouari, Fatma Khrouf, Youmna M'ghirbi, Ali Bouattour
BACKGROUND: Bartonellosis is an emerging vector-borne disease caused by different intracellular bacteria of the genus Bartonella (Rhizobiales: Bartonellaceae) that is transmitted primarily by blood-sucking arthropods such as sandflies, ticks and fleas. In Tunisia, there are no data available identifying the vectors of Bartonella spp. In our research, we used molecular methods to detect and characterize Bartonella species circulating in fleas collected from domestic animals in several of the country's bioclimatic areas...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28927253/comparative-aspects-of-microrna-expression-in-canine-and-human-cancer
#4
REVIEW
Kabiru Sahabi, Gayathri Thevi Selvarajah, Rasedee Abdullah, Cheah Yoke Kqueen, Tan Geok Chin
MicroRNAs (miRNAs) are important players in all biological pathways in multicellular organisms. Over 1,400 human miRNAs have been identified, and many are conserved among vertebrates and invertebrates. MicroRNA regulation is the most abundant mode of post-transcriptional gene regulation. MicroRNAs that are involved in the initiation and progression of cancers are termed oncomiRs, several of which have been identified in canine and human cancer. Similarly, several miRNAs have been reported to be down-regulated in cancers of the two species...
September 20, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28924500/comparison-of-polybrominated-diphenyl-ethers-pbdes-and-polychlorinated-biphenyls-pcbs-in-the-serum-of-hypothyroxinemic-and-euthyroid-dogs
#5
Grace Lau, Kyla Walter, Philip Kass, Birgit Puschner
OBJECTIVE: To determine the profile of 14 polybrominated diphenyl ethers (PBDEs) and 23 polychlorinated biphenyls (PCBs) in serum of domestic canines and whether this was predictive of thyroid hormone status. SAMPLES: Serum samples were collected from 51 client-owned dogs visiting the University of California Davis William R. Pritchard Veterinary Medical Teaching Hospital during 2012 to 2016 for routine appointments. Fifteen dogs were diagnosed with hypothyroxinemia while 36 were euthyroid...
2017: PeerJ
https://www.readbyqxmd.com/read/28922404/eco-epidemiological-analysis-of-rickettsial-seropositivity-in-rural-areas-of-colombia-a-multilevel-approach
#6
Juan C Quintero V, Luis E Paternina T, Alexander Uribe Y, Carlos Muskus, Marylin Hidalgo, Juliana Gil, Astrid Vanessa Cienfuegos G, Lisardo Osorio Q, Carlos Rojas A
Rickettsiosis is a re-emergent infectious disease without epidemiological surveillance in Colombia. This disease is generally undiagnosed and several deadly outbreaks have been reported in the country in the last decade. The aim of this study is to analyze the eco-epidemiological aspects of rickettsial seropositivity in rural areas of Colombia where outbreaks of the disease were previously reported. A cross-sectional study, which included 597 people living in 246 households from nine hamlets in two municipalities of Colombia, was conducted from November 2015 to January 2016...
September 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28917318/diversity-of-spirocerca-lupi-in-domestic-dogs-and-black-backed-jackals-canis-mesomelas-from-south-africa
#7
Wiekolize Rothmann, Pamela J de Waal
Spirocerca lupi is a parasitic nematode that causes spirocercosis predominantly in domestic dogs. Spirocerca lupi nematode samples were collected from four regions around South Africa and analyzed to compare the genetic diversity among the regions. A total of 56 S. lupi nematodes were obtained by necropsy from domestic dogs and wild black-backed jackals (Canis mesomelas). Sixteen different haplotypes of cox1 were identified some of which are shared between regions as well as with black-backed jackal. The genetic similarity between S...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28916808/the-effects-of-domestication-and-ontogeny-on-cognition-in-dogs-and-wolves
#8
Michelle Lampe, Juliane Bräuer, Juliane Kaminski, Zsófia Virányi
Cognition is one of the most flexible tools enabling adaptation to environmental variation. Living close to humans is thought to influence social as well as physical cognition of animals throughout domestication and ontogeny. Here, we investigated to what extent physical cognition and two domains of social cognition of dogs have been affected by domestication and ontogeny. To address the effects of domestication, we compared captive wolves (n = 12) and dogs (n = 14) living in packs under the same conditions...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28915831/a-synoptic-overview-of-golden-jackal-parasites-reveals-high-diversity-of-species
#9
REVIEW
Călin Mircea Gherman, Andrei Daniel Mihalca
The golden jackal (Canis aureus) is a species under significant and fast geographic expansion. Various parasites are known from golden jackals across their geographic range, and certain groups can be spread during their expansion, increasing the risk of cross-infection with other carnivores or even humans. The current list of the golden jackal parasites includes 194 species and was compiled on the basis of an extensive literature search published from historical times until April 2017, and is shown herein in synoptic tables followed by critical comments of the various findings...
September 15, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28913904/re-emergence-of-rabies-virus-maintained-by-canid-populations-in-paraguay
#10
A C F Amarilla, J C A Pompei, D B Araujo, F A Vázquez, R R Galeano, L M Delgado, G Bogado, M Colman, L Sanabria, K Iamamoto, R Garcia, D Assis, R Recalde, L F Martorelli, E Quiñones, A Cabello, M Martini, O Cosivi, E L Durigon, S R Favoretto
Paraguay has registered no human cases of rabies since 2004, and the last case in dogs, reported in 2009, was due to a variant maintained in the common vampire bat "Desmodus rotundus". In 2014, a dog was diagnosed as positive for rabies with aggression towards a boy and all required measures of control were successfully adopted. Epidemiological investigation revealed that the dog was not vaccinated and had been attacked by a crab-eating fox, "zorro" (Cerdocyon thous). The sample was diagnosed by the Official Veterinary Service of the Country and sent to the Center on Rabies Research from the University of São Paulo, Brazil, for antigenic and genetic characterization...
September 14, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28913836/female-reproductive-system-morphology-of-crab-eating-fox-cerdocyon-thous-and-cryopreservation-of-genetic-material-for-animal-germplasm-bank-enrichment
#11
L C Machado, K C S Roballo, F S Cury, C E Ambrósio
The sprawl of the urbanization and road network process without building ecological corridors contributes to the high mortality rates and a threat to the population decline of wild species such as the crab-eating fox. A strategy for the ex situ conservation is the study of the reproductive biology of the species and cryopreservation of their genetic heritage through the formation of an animal germplasm bank. This research is in accordance with the principles adopted by Brazilian College of Animal Experimentation...
September 15, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28905230/molecular-detection-of-anaplasma-platys-anaplasma-phagocytophilum-and-wolbachia-sp-but-not-ehrlichia-canis-in-croatian-dogs
#12
Doroteja Huber, Irena Reil, Sanja Duvnjak, Daria Jurković, Damir Lukačević, Miroslav Pilat, Ana Beck, Željko Mihaljević, Lea Vojta, Adam Polkinghorne, Relja Beck
The bacteria Anaplasma platys, Anaplasma phagocytophilum and Ehrlichia canis are tick-borne agents that cause canine vector-borne disease. The prevalence of these pathogens in South Eastern Europe is unknown with the exception of an isolated case of A. platys detected in a dog imported into Germany from Croatia. To gain a better insight into their presence and prevalence, PCR-based screening for these bacterial pathogens was performed on domesticated dogs from different regions of Croatia. Blood samples from 1080 apparently healthy dogs from coastal and continental parts of Croatia as well as tissue samples collected from 63 deceased dogs with a history of anaemia and thrombocytopenia were collected for molecular screening by an Anaplasmataceae-specific 16S rRNA conventional PCR...
September 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28904959/a-novel-genetic-group-of-bovine-hepacivirus-in-archival-serum-samples-from-brazilian-cattle
#13
Cláudio W Canal, Matheus N Weber, Samuel P Cibulski, Mariana S Silva, Daniela E Puhl, Hanspeter Stalder, Ernst Peterhans
Hepatitis C virus (HCV) (genus Hepacivirus; family Flaviviridae) is a major human pathogen causing persistent infection and hepatic injury. Recently, emerging HCV-like viruses were described infecting wild animals, such as bats and rodents, and domestic animals, including dogs, horses, and cattle. Using degenerate primers for detecting bovine pestiviruses in a 1996 survey three bovine serum samples showed a low identity with the genus Pestivirus of the Flaviviridae family. A virus could not be isolated in cell culture...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28902284/retrieving-ascarid-and-taeniid-eggs-from-the-biological-remains-of-a-neolithic-dog-from-the-late-9th-millennium-bc-in-western-iran
#14
Niloofar Paknezhad, Farbod Haji Mazdarani, Morteza Hessari, Iraj Mobedi, Faezeh Najafi, Negar Bizhani, Mahsasadat Makki, Gholamreza Hassanpour, Gholamreza Mowlavi
BACKGROUND: Paleoparasitology reveals the status of parasitic infections in humans and animals in ancient times based on parasitic particles found in biological remains from archaeological excavations. This line of research emerged in Iran in 2013. OBJECTIVE: The identification of parasites from Neolithic times is an attractive subject that shows the oldest origins of parasitic infections in a given geographical region. From an archaeological point of view, this archaeological site is well-known for animal domestication and agriculture in ancient Iran...
September 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28900293/dogs-are-not-better-than-humans-at-detecting-coherent-motion
#15
Orsolya Kanizsár, Paolo Mongillo, Luca Battaglini, Gianluca Campana, Lieta Marinelli
The ability to perceive motion is one of the main properties of the visual system. Sensitivity in detecting coherent motion has been thoroughly investigated in humans, where thresholds for motion detection are well below 10% of coherence, i.e. of the proportion of dots coherently moving in the same direction, among a background of randomly moving dots. Equally low thresholds have been found in other species, including monkeys, cats and seals. Given the lack of data from the domestic dog, we tested 5 adult dogs on a conditioned discrimination task with random dot displays...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28900198/analysis-and-comparison-of-the-wolf-microbiome-under-different-environmental-factors-using-three-different-data-of-next-generation-sequencing
#16
Xiaoyang Wu, Huanxin Zhang, Jun Chen, Shuai Shang, Jiakuo Yan, Yao Chen, Xuexi Tang, Honghai Zhang
Next Generation Sequencing has been widely used to characterize the prevalence of fecal bacteria in many different species. In this study, we attempted to employ a low-cost and high-throughput sequencing model to discern information pertaining to the wolf microbiota. It is hoped that this model will allow researchers to elucidate potential protective factors in relation to endangered wolf species. We propose three high-throughput sequencing models to reveal information pertaining to the micro-ecology of the wolf...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28899810/quantity-discrimination-in-canids-dogs-canis-familiaris-and-wolves-canis-lupus-compared
#17
Miletto Petrazzini Maria Elena, Clive D L Wynne
Accumulating evidence indicates that animals are able to discriminate between quantities. Recent studies have shown that dogs' and coyotes' ability to discriminate between quantities of food items decreases with increasing numerical ratio. Conversely, wolves' performance is not affected by numerical ratio. Cross-species comparisons are difficult because of differences in the methodologies employed, and hence it is still unclear whether domestication altered quantitative abilities in canids. Here we used the same procedure to compare pet dogs and wolves in a spontaneous food choice task...
September 9, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28891169/computed-tomographic-findings-in-three-dogs-naturally-infected-with-crenosoma-vulpis
#18
Jeremy R Mortier, Caroline J Fina, Elsa Edery, Crystal L White, Marc P Dhumeaux
Crenosoma vulpis is a nematode lungworm found in wild and domestic canids in some parts of North America and Europe. Reported radiographic findings are nonspecific and consist of a combination of bronchial and interstitial changes of variable severity. This retrospective, case series study aimed to describe thoracic computed tomographic (CT) findings for a group of dogs with confirmed crenosomosis. Selection criteria were presentation with a chronic cough during the period of January 2016 to February 2017, evaluation by thoracic CT, and final diagnosis of C...
September 10, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28890790/evaluating-pair-versus-solitary-housing-in-kennelled-domestic-dogs-canis-familiaris-using-behaviour-and-hair-cortisol-a-pilot-study
#19
Emma K Grigg, Belle Marie Nibblett, James Q Robinson, Judit E Smits
Numerous studies conducted to assess welfare of domestic dogs housed in kennel facilities have reported that these dogs experience suboptimal living conditions. One important goal of improving welfare of kennelled dogs is to reduce their stress levels, and one recommended approach for improving welfare of kennelled dogs is group or social housing. The beneficial effects of management changes designed to achieve this goal should be measurable in individual animals. Stress is evident through behaviours exhibited, as well as via the concentration of cortisol, a key hormone reflecting stress...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/28890111/tick-borne-pathogens-and-their-reservoir-hosts-in-northern-italy
#20
Ivana Baráková, Markéta Derdáková, Diana Selyemová, Michal Chvostáč, Eva Špitalská, Fausta Rosso, Margherita Collini, Roberto Rosà, Valentina Tagliapietra, Matteo Girardi, Claudio Ramponi, Heidi C Hauffe, Annapaola Rizzoli
The aim of this study was to determine the occurrence of Anaplasma phagocytophilum, Rickettsia spp., Babesia spp., and Candidatus Neoehrlichia mikurensis in Ixodes spp. ticks removed from wildlife, domestic animals and humans in the Province of Trento (northern Italy) in order to better understand their ecology and provide public health professionals with an updated list of pathogens which should be considered during their diagnostic procedures after a tick bite. During 2011-2012, 848 feeding ticks at all life stages (adults, nymphs and larvae) from various hosts (wild ungulates, birds and rodents; domestic sheep, dogs and humans) were collected...
September 1, 2017: Ticks and Tick-borne Diseases
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