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Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology

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https://www.readbyqxmd.com/read/28198911/dioctophyme-renale-prevalence-and-risk-factors-of-parasitism-in-dogs-of-s%C3%A3-o-crist%C3%A3-v%C3%A3-o-district-tr%C3%A3%C2%AAs-barras-county-santa-catarina-state-brazil
#1
Daniela Pedrassani, Adjair Antonio do Nascimento, Marcos Rogério André, Rosangela Zacarias Machado
Dioctophyme renale is a nematode that can be found parasitizing the kidney, peritoneal cavity and, rarely, other organs of canids and mustelids. This disease has high occurrence in the municipality of Três Barras, state of Santa Catarina, thus making this an interesting area to study the epidemiological aspects of infection by D. renale in dogs. Among 197 dogs, 14.2% showed the parasite eggs in urine and 16.4% showed IgG antibodies anti-D. renale in serum samples according to the indirect ELISA method; among seropositive dogs, 15 (37...
February 9, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28177041/leishmania-in-synanthropic-rodents-rattus-rattus-new-evidence-for-the-urbanization-of-leishmania-leishmania-amazonensis
#2
Eloiza Teles Caldart, Roberta Lemos Freire, Fernanda Pinto Ferreira, Bruno Bergamo Ruffolo, Mônica Raquel Sbeghen, Marcelle Mareze, João Luis Garcia, Regina Mitsuka-Breganó, Italmar Teodorico Navarro
This study aimed to detect parasites from Leishmania genus, to determine the prevalence of anti-Leishmania spp. antibodies, to identify circulating species of the parasite, and to determine epidemiological variables associated with infection in rats caught in urban area of Londrina, Paraná, Brazil. Animal capture was carried out from May to December 2006, serological and molecular methods were performed. DNA was extracted from total blood, and nested-PCR, targeting SSu rRNA from Leishmania genus, was performed in triplicate...
February 6, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28177040/clinical-pathological-and-molecular-evaluations-and-ct-scan-screening-of-coenurosis-coenurus-cerebralis-in-sheep-and-calves
#3
Abdullah Gazioglu, Sami Simsek, Omer Kizil, Ali Osman Ceribasi, Harun Kaya Kesik, Haroon Ahmed
The aims of this study were to diagnose coenurosis by means of computerized tomography (CT) scan imaging and molecular characterization of the CO1 gene using the polymerase chain reaction (PCR). Sheep and calves were necropsied, and CT scans on the cephalic region were performed on the animals. Sections of brain tissue infected with parasites were then stained with hematoxylin and eosin for microscopic examination. Material collected from brain cysts was fixed in 70% ethanol. PCR amplification was carried out using the CO1 mitochondrial gene...
February 6, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28177039/nematodes-of-astyanax-fasciatus-actinopterygii-characidae-and-their-parasitic-indices-in-the-s%C3%A3-o-francisco-river-brazil
#4
Flavia Guerra Vieira-Menezes, Danielle Priscilla Correia Costa, Marilia Carvalho Brasil-Sato
The endoparasite fauna of Astyanax fasciatus from the upper São Francisco river was investigated and ecological parameters and morphological and morphometric data on the parasites are presented. A total of 74 specimens of banded astyanax were collected downstream from the Três Marias dam, municipality of Três Marias, Minas Gerais (18°12'32"S, 45°15'41"W) in January 2011 and January 2012. Eleven taxa of Nematoda were found: Contracaecum sp.; Hysterothylacium sp.; Goezia sp.; Brevimulticaecum sp.; Procamallanus sp...
February 6, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28146156/prevalence-and-risk-factors-for-cysticercus-tenuicollis-in-goats-and-sheep-in-para%C3%A3-ba-northeastern-brazil
#5
Dayana Firmino de Morais, Vinícius Longo Ribeiro Vilela, Thais Ferreira Feitosa, Vinícius Mamede Dos Santos, Vitória Régia Gouveia, Ana Célia Rodrigues Athayde, Sérgio Santos de Azevêdo
This study aimed to determine the prevalence and risk factors for C. tenuicollis among goats and sheep in slaughterhouses in Paraíba. 390 animals (195 goats and 195 sheep) in the municipalities of Patos and Esperança, Paraíba, Brazil, were inspected between February and May 2014. The prevalence of C. tenuicollis was 39% (76/195) in goats and 17.4% (34/195) in sheep. In both species, most of the cysticerci vesicles were located at the omentum and mesentery. The only risk factor found was extensive sheep farming...
January 26, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28146155/predatory-activity-of-butlerius-nematodes-and-nematophagous-fungi-against-haemonchus-contortus-infective-larvae
#6
Manoel Eduardo da Silva, Miguel Angel Mercado Uriostegui, Jair Millán-Orozco, Pedro Mendoza de Gives, Enrique Liébano Hernández, Fabio Ribeiro Braga, Jackson Victor de Araújo
The purpose of this study was to evaluate the predatory activity of the nematode Butlerius spp. and fungal isolates of Duddingtonia flagrans, Clonostachys rosea, Arthrobotrys musiformis and Trichoderma esau against H. contortus infective larvae (L3) in grass pots. Forty-eight plastic gardening pots containing 140 g of sterile soil were used. Panicum spp. grass seeds (200 mg) were sown into each pot and individually watered with 10 mL of tap water. Twelve days after seeding, the pots were randomly divided into 6 groups (n=8)...
January 26, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28146154/pathology-and-morphometry-of-hystrichis-acanthocephalicus-nematoda-from-phimosus-infuscatus-pelecaniformes-in-southern-brazil
#7
Simone Scheer, Márcia Raquel Pegoraro Macedo, Mauro Pereira Soares, Camila Costa Schramm, Gertrud Muller
Species of Hystrichis are parasite nematodes of the digestive tract of aquatic birds in South America, Europe and Asia. In Brazil, Hystrichis acanthocephalicus has been reported in Phimosus infuscatus. There are few data on the morphometry of this species and there are no reports on pathological conditions that it causes. Therefore, the purpose of this study was to report morphometric data from H. acanthocephalicus and describe the pathological effects of this parasite on the Phimosus infuscatus proventriculus...
January 26, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28146153/trombiculiasis-in-domestic-goats-and-humans-in-the-state-of-maranh%C3%A3-o-brazil
#8
João Luiz Horácio Faccini, Ana Clara Gomes Santos, Sandra Batista Santos, Fernando de Castro Jacinavicius, Ricardo Bassini-Silva, Darci Moraes Barros-Battesti
Trombiculiasis is an infestation caused by larval mites (chiggers) of the family Trombiculidae. Here, we provide the first report on parasitism by the chigger species Eutrombicula alfreddugesi (Oudemans) and Eutrombicula batatas (Linnaeus) in goats and humans on farms in the state of Maranhão, northeastern Brazil. Severe itching and dermatitis caused by the chiggers' bites were seen. From a total of 779 examined goats, 214 of them showed clinical signs of infestation, as well as family members of three farms of the region...
January 26, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925071/gastrointestinal-parasites-of-exotic-birds-living-in-captivity-in-the-state-of-sergipe-northeastern-brazil
#9
Victor Fernando Santana Lima, Taynar Lima Bezerra, Alex Fonseca de Andrade, Rafael Antonio Nascimento Ramos, Maria Aparecida da Glória Faustino, Leucio Câmara Alves, Patrícia Oliveira Meira-Santos
Brazil has a wide diversity of exotic birds that were brought to this country during the European colonization. These animals are kept in captivity and, in some cases, in inadequate facilities, which may facilitate the introduction of pathogens, including gastrointestinal parasites. The purpose of this study was to identify the main gastrointestinal parasites that affect exotic birds living in captivity in the state of Sergipe, Northeastern Brazil. Fecal samples (n = 362) from exotic birds were analyzed by direct examination and by the Willis-Mollay technique...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925070/first-study-on-communities-of-parasites-in-triportheus-rotundatus-a-characidae-fish-from-the-amazon-river-system-brazil
#10
Paulo Henrique Nascimento Santos, Marcos Tavares-Dias
This study was the first investigation on the parasites of Triportheus rotundatus, a Characiformes fish from the Amazon, in Brazil. All the fish collected (100%) in a tributary from the Amazon River system were infected by one or more parasite species. The mean species richness of parasites was 4.9 ± 0.9, the Brillouin index was 0.39 ± 0.16, the evenness was 0.24 ± 0.09 and the Berger-Parker dominance was 0.81 ± 0.13. A total of 1316 metazoan parasites were collected, including Anacanthorus pithophallus, Anacanthorus furculus, Ancistrohaptor sp...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925066/dioctophyme-renale-nematoda-enoplida-in-domestic-dogs-and-cats-in-the-extreme-south-of-brazil
#11
Josaine Cristina da Silva Rappeti, Carolina Siqueira Mascarenhas, Soliane Carra Perera, Gertrud Müller, Fabiane Borelli Grecco, Luísa Mariano Cerqueira da Silva, Carolina da Fonseca Sapin, Stella Falkenberg Rausch, Marlete Brum Cleff
Dioctophyme renale is a zoonotic nematode that parasites the kidneys of wild and domestic carnivores, and it has been reported frequently in Brazil. The aim here was to register the number of cases of dogs and cats diagnosed with dioctophymosis by necropsy (1981 to 2014) and ultrasound examination (2010 to 2015) in Pelotas-RS. In this context, a survey was conducted on dioctophymosis cases diagnosed at the Veterinary Pathology Laboratory (LPV) and Veterinary Clinical Hospital (HCV) of the Federal University of Pelotas (UFPel), and at a specialist veterinary imaging diagnostics clinic...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925063/negative-serosurvey-of-toxoplasma-gondii-antibodies-in-golden-headed-lion-tamarin-leontopithecus-chrysomelas-from-niter%C3%A3-i-rj-brazil
#12
Camila Vieira Molina, Felipe da Silva Krawczak, Marina Galvão Bueno, Herbert Sousa Soares, Solange Maria Genari, Alcides Pissinatti, Maria Cecília Martins Kierulff, Tiago Ferreira da Silva, Danilo Gomes de Freitas, Larissa Cristinne Caneli, José Luiz Catão-Dias
New World Nonhuman Primates are highly susceptible to clinical toxoplasmosis. Serum samples from 126 recently captured Leontopithecus chrysomelas, from an exotic and invasive population, were tested for Toxoplasma gondii antibodies by the modified agglutination test (MAT, cut-off 1:25); all were seronegative. The MAT is highly specific and is not species-specific. This is the first report of T. gondii survey in this tamarin in the wild. This result is consistent with prior reports that showed the high susceptibility of the species to infection by T...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925059/first-isolation-of-dioctophyme-renale-eggs-from-an-urban-environment-and-identification-of-those-from-animal-urine
#13
Soliane Carra Perera, Gabriela de Almeida Capella, Natália Berne Pinto, Josaine Cristina da Silva Rappeti, Gertrud Müller, Rosaria Helena Machado Azambuja, Claudia Giordani, Marlete Brum Cleff
Dioctophyme renale is a zoonotic parasite with worldwide distribution, although its occurrence is little known. The objective here was to evaluate the presence of parasite eggs in the environment and in the urine of dogs and cats in an urban area. Soil samples and urine were evaluated respectively by means of the Caldwell-Caldwell technique and urinalysis. Out of the 100 soil samples, 3% presented D. renale eggs, and out of the 43 urine samples, 18.6% were positive, including the feline samples. Thus, D. renale eggs are present in the urban environment, and dogs and cats are parasitized by this nematode, which therefore represents a risk to public health...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28001171/anisakid-larva-parasitizing-plagioscion-squamosissimus-in-maraj%C3%A3-bay-and-tapaj%C3%A3-s-river-state-of-par%C3%A3-brazil
#14
Gabrielle Fontenelle, Marcelo Knoff, Nilza Nunes Felizardo, Eduardo José Lopes Torres, Edilson Rodrigues Matos, Delir Corrêa Gomes, Sérgio Carmona de São Clemente
In November 2014 and May 2015, a total of 44 specimens of the South American silver croaker Plagioscion squamosissimus were collected: 30 in Marajó Bay and 14 in the Tapajós River, state of Pará, Brazil. The aim was to investigate the presence of anisakid nematodes and determine their parasitism indices and sites of infection, because of their importance regarding health inspection. Sixty-nine Anisakis sp. larvae were found; among them, 16 larvae in seven fish collected in Marajó Bay and 53 larvae in four fish in the Tapajós River...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982301/assessment-of-different-lippia-sidoides-genotypes-regarding-their-acaricidal-activity-against-rhipicephalus-boophilus-microplus
#15
Alexandra Martins Dos Santos Soares, Tatiane Aranha Penha, Sandra Alves de Araújo, Elizangela Mércia Oliveira Cruz, Arie Fitzgerald Blank, Livio Martins Costa-Junior
The aim of this study was to select different genotypes of Lippia sidoides with the highest activity against larvae and engorged females of the tick Rhipicephalus (Boophilus) microplus. The germplasms studied were LSID006, LSID102, LSID103 and LSID104. The LSID104 genotype, that presented carvacrol as a major constituent, was the germplasm with the worst larvicide effect (LC50 2.99 mg/mL). The LSID006 genotype was the least effective against engorged females (LC50 12.46 mg/mL), and it was chemically similar to the LSID102 genotype, which presented the highest acaricide activity (LC50 2...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982300/hematological-changes-associated-with-hemoplasma-infection-in-cats-in-rio-de-janeiro-brazil
#16
Juliana Macedo Raimundo, Andresa Guimarães, Camila Flávia Magalhães Botelho, Maristela Peckel Peixoto, Marcus Sandes Pires, Carlos Henrique Machado, Huarrisson Azevedo Santos, Carlos Luiz Massard, Marcos Rogério André, Rosangela Zacarias Machado, Cristiane Divan Baldani
This study aimed to detect Mycoplasma spp. in naturally infected cats from Rio de Janeiro and to evaluate hematological abnormalities and factors associated with this infection. Out of the 197 cats sampled, 11.2% presented structures compatible with hemoplasma organisms on blood smears. In contrast, 22.8% were positive for Mycoplasma spp. by means of 16S rRNA gene real-time polymerase chain reaction, which reflects the weak concordance between techniques. The infection rates, by means of 16S rRNA gene conventional polymerase chain reaction, was 4...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982299/serosurvey-of-borrelia-in-dogs-horses-and-humans-exposed-to-ticks-in-a-rural-settlement-of-southern-brazil
#17
Denise Amaral Gomes Nascimento, Rafael Felipe da Costa Vieira, Thállitha Samih Wischral Jayme Vieira, Roberta Dos Santos Toledo, Katia Tamekuni, Nelson Jessé Rodrigues Dos Santos, Daniela Dibb Gonçalves, Maria Luísa Vieira, Alexander Welker Biondo, Odilon Vidotto
The aims of the present study were to serosurvey dogs, horses, and humans highly exposed to tick bites for anti-Borrelia burgdorferi s.l. antibodies, identify tick species present, and determine risk factors associated with seropositivity in a rural settlement of Paraná State, southern Brazil. Eighty-seven residents were sampled, along with their 83 dogs and 18 horses, and individual questionnaires were administered. Immunofluorescence antibody test (IFAT) was performed on serum samples and positive samples were subjected to western blot (WB) analysis...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982298/high-occurrence-of-mycoplasma-suis-infection-in-swine-herds-from-non-technified-farms-in-mossor%C3%A3-state-of-rio-grande-do-norte-northeastern-brazil
#18
Mariana Aparecida Toledo, Alexandro Iris Leite, Luiz Ricardo Gonçalves, Keyla Carstens Marques de Sousa, Renan Bressianini do Amaral, Glaucenyra Cecília Pinheiro da Silva, Rosangela Zacarias Machado, Marcos Rogério André
Mycoplasma suis, the etiological agent of swine hemoplasmosis, has been neglected in swine herds around the world. Swine hemoplasmosis is frequently associated with hemolytic anemia, disgalacty, infertility and immunosuppression, and it results in significant economic losses. This study investigates the occurrence of M. suis in non-technified swine herds in the northeastern region of Brazil using quantitative PCR (qPCR) based on the 16S rRNA gene. Between March and August 2013, blood samples from 147 swine were collected during slaughter in the city of Mossoró, state of Rio Grande do Norte, northeastern Brazil...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982297/ticks-parasitizing-bats-mammalia-chiroptera-in-the-caatinga-biome-brazil
#19
Hermes Ribeiro Luz, Sebastián Muñoz-Leal, Juliana Cardoso de Almeida, João Luiz Horacio Faccini, Marcelo Bahia Labruna
In this paper, the authors report ticks parasitizing bats from the Serra das Almas Natural Reserve (RPPN) located in the municipality of Crateús, state of Ceará, in the semiarid Caatinga biome of northeastern Brazil. The study was carried out during nine nights in the dry season (July 2012) and 10 nights in the rainy season (February 2013). Only bats of the Phyllostomidae and Mormoopidae families were parasitized by ticks. The species Artibeus planirostris and Carolia perspicillata were the most parasitized...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27982296/ectoparasites-of-the-black-chinned-siskin-spinus-barbatus-passeriformes-fringillidae-in-chile
#20
Danny Fuentes-Castillo, Armando Cicchino, Sergey Mironov, Lucila Moreno, Carlos Landaeta-Aqueveque, Carlos Barrientos, Daniel González-Acuña
Despite being a bird with a broad and extensive distribution in Chile, the black-chinned siskin, Spinus barbatus Molina, 1782 is not well studied in relation to its parasites. This paper aims to describe the ectoparasite fauna of S. barbatus in central and southern Chile. A total of 125 individuals caught with mist nets were examined alive; a total of 22 parasites were found dead and were exposed to parasit autopsy. The extracted parasites were preserved in 70% alcohol for subsequent mounting and identification...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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