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parasite, parasitic, cestode, nematode, trematode

Miguel M Cabada, Jose L Malaga, Alejandro Castellanos-Gonzalez, Kelli A Bagwell, Patrick A Naeger, Hayley K Rogers, Safa Maharsi, Maryann Mbaka, A Clinton White
Fasciola hepatica is the most widely distributed trematode infection in the world. Control efforts may be hindered by the lack of diagnostic capacity especially in remote endemic areas. Polymerase chain reaction (PCR)-based methods offer high sensitivity and specificity but require expensive technology. However, the recombinase polymerase amplification (RPA) is an efficient isothermal method that eliminates the need for a thermal cycler and has a high deployment potential to resource-limited settings. We report on the characterization of RPA and PCR tests to detect Fasciola infection in clinical stool samples with low egg burdens...
November 7, 2016: American Journal of Tropical Medicine and Hygiene
Qifei Men, Hongyu Han, Qiping Zhao, Weili Xia, Hui Dong, Shunhai Zhu, Ziwen Wang, Cong Li, Xuelong Zhu, Bing Huang
Parasites are ubiquitous members of biotic communities. To investigate the infective status of helminth parasites in Pelophylax nigromaculatus from Shanghai, 90 frogs were collected from July 2013 to July 2014 and examined for the presence of internal parasites. Of these, 86.67% (78/90) of frogs were infected with parasites, the total helminth intensity within infected frogs ranged from 1 to 367, and the mean intensity was 28.49. The infection rates and intensities were 78.89% and 22.89 for trematodes, 50.00% and 5...
December 1, 2016: Acta Parasitologica
K L Sheehan, K C Hanson-Dorr, B S Dorr, G K Yarrow, R J Johnson
Here the intestinal helminth infracommunities of 218 double-crested cormorants (Phalacrocorax auritus) from 11 locations in Alabama, Minnesota, Mississippi and Vermont are documented. Trematode infections were present in 98% of hosts; 65% of cormorants carried cestode infections, 4% were infected with acanthocephalans and 66% had nematode intestinal parasites. Parasite infracommunities of hosts collected on wintering grounds had higher richness and diversity than did birds collected on breeding grounds. Differences in parasite richness and diversity between male and female P...
September 28, 2016: Journal of Helminthology
Hossein Khara, Masoud Sattari
Amirkelayeh international wetland with a surface area of 1,230 hectares and fifteen fish species is an important water resource in the southern part of the Caspian Sea. There is few reports on fish parasites of this area. In the present study, a total of 80 Wels catfish, Silurus glanis, were collected from April through July 2011. After recording biometric characteristics, common necropsy and parasitology methods were used. In the present study, a total of 441 individuals of seven parasite species consisting of one nematode: Raphidascaroides sp...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Bashir A Lone, M Z Chishti, Fayaz Ahmad, Hidayatullah Tak, Suhaib A Bandh, Abida Khan
One year crossectional survey was carried out to determine and describe the prevalence and intensity of gastrointestinal parasite infections in hangul (Cervus elaphus hanglu) in Dachigam National Park of Kashmir through faecal examinations. Out of 153 faecal samples examined, 82 (53.59 %) were found infected with GIT helminthes. In present study seven helminth species were found, including five nematode [Haemonchus contortus (55.39 %), Trichuris ovis (39.75 %), Dictyocaulus viviparus (28.4.00 %), Oesophogostomum circumcincta (13...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
C Sreedevi, Ch Jyothisree, V Rama Devi, P Annapurna, L Jeyabal
A study was carried out to know the prevalence of gastrointestinal parasites in desi fowl in and nearby villages of Gannavaram, Andhra Pradesh for a period of 1 year. Screening of 492 samples comprising faecal samples and gastrointestinal tracts from freshly slaughtered desi birds at local poultry shops and samples from post mortem examinations at NTR College of Veterinary Science, Gannavaram revealed 63.21 % of gastrointestinal parasites. Faecal samples were examined by floatation technique using salt solution and samples positive for coccidian oocysts were sporulated in 2...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Furhan T Mhaisen, Abdul-Razzak L Al-Rubaie
Literature reviews of all references concerning the parasitic fauna of fishes in fish farms of Babylon province, middle of Iraq, showed that a total of 92 valid parasite species are so far known from the common carp (Cyprinus carpio), the grass carp (Ctenopharyngodon idella), and the silver carp (Hypophthalmichthys molitrix) as well as from three freshwater fish species (Carassius auratus, Liza abu, and Heteropneustes fossilis) which were found in some fish farms of the same province. The parasitic fauna included one mastigophoran, three apicomplexans, 13 ciliophorans, five myxozoans, five trematodes, 45 monogeneans, five cestodes, three nematodes, two acanthocephalans, nine arthropods, and one mollusc...
2016: Journal of Parasitology Research
M L Aguirre-Macedo, A L May-Tec, A Martínez-Aquino, F Cremonte, S R Martorelli
Helminths in aquatic invertebrate hosts have been overlooked in comparison with vertebrate hosts. Therefore, the known diversity, ecology and distribution of these host-parasite systems are very limited in terms of their taxonomic diversity, habitat and geographic regions. In this study we examined the published literature on helminth parasites of aquatic invertebrates from Latin America and the Caribbean (LAC) to identify the state of the knowledge in the region and to identify patterns of helminth diversity...
August 9, 2016: Journal of Helminthology
J C England, J M Levengood, J M Osborn, A P Yetter, J M Kinsella, R A Cole, C D Suski, H M Hagy
We examined the associations between intestinal helminth infracommunity structure and infection parameters and the age, size, and year and region of collection of 130 female lesser scaup (Aythya affinis) during their 2014-2015 spring migrations through the upper Midwest, USA. We identified a total of 647,174 individual helminths from 40 taxa, including 20 trematodes, 14 cestodes, 4 nematodes and 2 acanthocephalans parasitizing lesser scaup within the study area. Lesser scaup were each infected with 2-23 helminth taxa...
July 27, 2016: Journal of Helminthology
Chris T McAllister, Charles R Bursey
One hundred-thirty six Mediterranean geckos, Hemidactylus turcicus, were collected between December 1986 and March 2016 in Hardin (n = 7), Harris (n = 57), and Tom Green (n = 72) counties, Texas, USA., and examined for helminth parasites. Fifty-two H. turcicus (38%) were infected with at least one helminth species. Found were a trematode, Mesocoelium meggitti, three cestodes, Mesocestoides sp. (tetrathyridia), Oochoristica ameivae and Oochoristica scelopori, and four nematodes, Cosmocercoides variabilis, Oswaldocruzia pipiens, Parapharyngodon cubensis, and larvae of Physaloptera sp...
September 1, 2016: Acta Parasitologica
Donald B Jyrwa, Sunila Thapa, Veena Tandon
Fish constitute a major component of diet for the people of Northeast India and they are extensively used as a protein-rich food for human consumption. The present studies incorporate the spectrum, composition and diversity of the parasitic species in freshwater fishes in Meghalaya, Northeast India, with a view to identifying the species recovered by morphological criteria based on light microscopy. The collection sites included sixteen foci from eleven districts of Meghalaya for parasites occurring in the common food fishes (Cypriniformes, Channiformes, Silurformes, Symbranchiformes and Anguilliformes)...
June 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
A S Dovgalev, S Yu Astanina, V N Malakhov, A P Serdyuk, K D Imamkuliev, Yu P Gorbunova, E A Pautova, T V Prodeus, T A Semenova, L V Fedyanina
Within the framework of the Federal External Quality Assessment (EQA) System and in the context of postgraduate training improvement for health workers in 2010-2014, specialists from the laboratories of the therapeutic-prophylactic organizations and institutions of the Russian Federal Service for Supervision of Consumer Rights Protection and Human Welfare were examined for their professional competence in microscopically identifying the pathogens of parasitic diseases in feces. The virtual remote educational computer technology tools that included different combinations of 16 helminthic species, 5 intestinal protozoan species, and a number of artefacts, were used...
April 2016: Meditsinskaia Parazitologiia i Parazitarnye Bolezni
Frits Franssen, Arno Swart, Frans van Knapen, Joke van der Giessen
BACKGROUND: Rattus norvegicus (brown rat) and Rattus rattus (black rat) are known carriers of bacteria, viruses, and parasites of zoonotic and veterinary importance. Moreover, rats may play a role in the transmission of muscle larvae of the zoonotic nematode Trichinella spiralis to farm animals. We aimed to study the intestinal and intramuscular helminths in wild rats from three different environments to assess the relevance of rats as carrier of zoonotic parasites for public health. MATERIALS AND METHODS: Wild brown rats (117 individuals) and black rats (44 individuals) were captured at farms, in suburban and in rural environments in the Netherlands...
2016: Infection Ecology & Epidemiology
Barbara Paoletti, Angela Di Cesare, Raffaella Iorio, Domenico Tavaglione, Roberto Bartolini, Antonio Gatti
Every year populations of the European woodcock (Scolopax rusticola) migrate from Central and Northern Europe to the Mediterranean basin. South of Italy is one of the most common wintering site for this species. Given that information on parasites of woodcocks is scarce, the present study aimed at identifying the parasitic species affecting woodcocks migrating in Italy. The gastrointestinal tract of 206 woodcocks hunted in Southern Italy was removed and examined for parasites. From each animal a faecal sample was analysed by flotation test...
June 30, 2016: Veterinaria Italiana
Kristy Jacobus, Juliana Marigo, Silvia Bainy Gastal, Sueli Akemi Taniwaki, Valeria Ruoppolo, José Luiz Catão-Dias, Florina Tseng
In order to improve understanding of parasitism in South American pinnipeds, respiratory and gastrointestinal samples were collected from 12 Arctocephalus australis (South American fur seal), one Arctocephalus gazella (Antarctic fur seal), and one Otaria flavescens (South American sea lion). Ova and larvae were microscopically identified from fecal samples and respiratory secretions collected from live A. australis undergoing rehabilitation at Centro de Recuperação de Animais Marinhos (CRAM-FURG) in Rio Grande, Rio Grande do Sul, Brazil during June-July 2012...
March 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Leidi Laurimaa, Karmen Süld, John Davison, Epp Moks, Harri Valdmann, Urmas Saarma
The raccoon dog (Nyctereutes procyonoides) is a canid that is indigenous in East Asia and alien in Europe, where it was introduced more than half a century ago. The aim of this study was to compare the parasite faunas associated with raccoon dogs in their native and introduced ranges, and to identify zoonotic parasite species. We examined 255 carcasses of hunted raccoon dogs from Estonia and recorded a total of 17 helminth species: 4 trematodes, 4 cestodes and 9 nematodes. The most prevalent parasite species were Uncinaria stenocephala (97...
March 30, 2016: Veterinary Parasitology
Krzysztof Korzeniewski, Alina Augustynowicz, Agata Smoleń, Anna Lass
OBJECTIVE: To estimate the prevalence of intestinal parasites and their species in Afghan school children and to establish appropriate treatment methods for detected pathogens. METHODS: Parasitological examination of stool samples collected from 1369 children aged 8-18, students of the Jahan Malika High School in Ghazni Province in eastern Afghanistan, was conducted in the period November 2013-April 2014. Three stool samples were collected from each patient every second day; the samples were fixed in 10% formalin and tested by light microscopy using the methods of direct smear in Lugol's solution, decantation in distilled water, and Fülleborn's flotation...
November 2015: Pakistan Journal of Medical Sciences Quarterly
S Mahanty
No abstract text is available yet for this article.
March 2016: Parasite Immunology
Omar Lupi, Christopher Downing, Michael Lee, Francisco Bravo, Patricia Giglio, Laila Woc-Colburn, Stephen K Tyring
In the 21st century, despite increased international travel for vacation, work, and medical missions and immigration into the United States, there is little published in the dermatology literature regarding the cutaneous manifestations of helminth infections. It has been estimated that 20% to 70% of international travelers suffer from some travel-related health problem. Approximately 17% of travelers seek medical care because of cutaneous disorders, many related to infectious etiologies. This review will focus on cutaneous diseases caused by helminth infections...
December 2015: Journal of the American Academy of Dermatology
Omar Lupi, Christopher Downing, Michael Lee, Livia Pino, Francisco Bravo, Patricia Giglio, Aisha Sethi, Sidney Klaus, Omar P Sangueza, Claire Fuller, Natalia Mendoza, Barry Ladizinski, Laila Woc-Colburn, Stephen K Tyring
In the 21st century, despite increased globalization through international travel for business, medical volunteerism, pleasure, and immigration/refugees into the United States, there is little published in the dermatology literature regarding the cutaneous manifestations of helminth infections. Approximately 17% of travelers seek medical care because of cutaneous disorders, many related to infectious etiologies. This review will focus on the cutaneous manifestations of helminth infections and is divided into 2 parts: part I focuses on nematode infections, and part II focuses on trematode and cestode infections...
December 2015: Journal of the American Academy of Dermatology
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