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Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology

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https://www.readbyqxmd.com/read/27925071/gastrointestinal-parasites-of-exotic-birds-living-in-captivity-in-the-state-of-sergipe-northeastern-brazil
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27982295/infection-with-toxoplasma-gondii-in-a-red-kangaroo-macropus-rufus-and-a-patagonian-mara-dolichotis-patagonum-in-captivity
#13
Nataly Díaz-Ayala, Ezequiel Hidalgo-Hermoso, Constanza Cabello-Araya, Francisco Carvallo-Chaigneau
Toxoplasmosis is an infectious, zoonotic and parasitic disease, caused by Toxoplasma gondii. In this manucript, two cases of infection with T. gondii in captive animals from a zoological park in the central region of Chile are described. One case was a red kangaroo (Macropus rufus), which is highly susceptible to the infection, and the other was a Patagonian mara (Dolichotis patagonum), a rodent in which there is no previous report of the infection. Both animals had myocarditis, with the presence of intralesional tachizoites and cysts suggestive of infection with T...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925073/frequency-of-gastrointestinal-parasites-in-cats-seen-at-the-university-of-s%C3%A3-o-paulo-veterinary-hospital-brazil
#14
Solange Maria Gennari, Juliana Isabel Giuli da Silva Ferreira, Hilda Fátima de Jesus Pena, Marcelo Bahia Labruna, Sérgio Dos Santos Azevedo
The frequency of gastrointestinal infections in 502 cats seen at the Veterinary Hospital of the University of São Paulo, SP, Brazil, between 2005 and 2014, was measured. The samples were analyzed using methods of flotation and sedimentation. The results were compared with those from studies published previously using fecal samples from the same hospital at different times. Associations between the frequency of positivity for each parasite and age, breed, sex, diarrhea and use of anthelmintic were investigated (chi-square or Fisher's exact tests)...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925072/occurrences-of-gastrointestinal-parasites-in-fecal-samples-from-domestic-dogs-in-s%C3%A3-o-paulo-sp-brazil
#15
Juliana Isabel Giuli da Silva Ferreira, Hilda Fátima Jesus Pena, Sérgio Santos Azevedo, Marcelo Bahia Labruna, Solange Maria Gennari
Occurrences of gastrointestinal parasites were assessed in fecal samples from 3,099 dogs in the metropolitan region of São Paulo, SP, that were treated at the Veterinary Hospital of the University of São Paulo Veterinary School. The samples were analyzed using the flotation and centrifugal sedimentation methods. The results were compared with those from previous studies (at different times). The frequency of each parasite was correlated with the dogs' ages, breeds and gender, as well as the occurrences of diarrhea and the use of anthelmintics, by means of the chi-square or Fisher exact test...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925069/helminth-parasites-of-galictis-cuja-carnivora-mustelidae-from-localities-in-the-atlantic-forest-of-brazil
#16
Pilar Corrêa, Cecília Bueno, Fabiano Matos Vieira, Luís Cláudio Muniz-Pereira
The current study aimed to investigate the helminth parasites of a population of Galictis cuja (Carnivora, Mustelidae) that occur in Atlantic Forest in the Southeastern region of Brazil. We necropsied 18 specimens of G. cuja, collected between January 2009 and May 2014, ran over victims on BR-040 highway, between the municipalities of Duque de Caxias, state of Rio de Janeiro and Juiz de Fora, state of Minas Gerais, localities inserted in Atlantic rainforest Biome. A total of six species of helminths were identified: Dioctophyme renale, Molineus elegans, Physaloptera sp...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925068/occurrence-of-neospora-caninum-and-toxoplasma-gondii-antibodies-in-dogs-from-rural-properties-surrounding-a-biological-reserve-espirito-santo-brasil
#17
Igor da Cunha Lima Acosta, Luana D'Avila Centoducatte, Herbert Sousa Soares, Arlei Marcili, Maria Fernanda Naegeli Gondim, João Luiz Rossi, Solange Maria Gennari
The aim of this study was to determine the presence of antibodies to Neospora caninum and Toxoplasma gondii in serum samples of 187 dogs from 30 rural properties surrounding Córrego do Veado Biological Reserve, Espírito Santo State, Brazil. The Reserve is one of the last lowland Atlantic Forest remnants of the region, surrounded by agriculture farms and cattle pastures. The presence of IgG antibodies was determined by the Indirect Fluorescent Antibody Test for T. gondii (cut-off 1:16) and N. caninum (cut-off 1:50)...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925067/piper-aduncum-against-haemonchus-contortus-isolates-cross-resistance-and-the-research-of-natural-bioactive-compounds
#18
Yousmel Alemán Gaínza, Rafaela Regina Fantatto, Francisco Celio Maia Chaves, Humberto Ribeiro Bizzo, Sérgio Novita Esteves, Ana Carolina de Souza Chagas
The anthelminthic activity of the essential oil (EO) of Piper aduncum L. was tested in vitro on eggs and larvae of resistant (Embrapa2010) and susceptible (McMaster) isolates of Haemonchus contortus. The EO was obtained by steam distillation and its components identified by chromatography. EO concentrations of 12.5 to 0.02 mg/mL were used in the egg hatch test (EHT) and concentrations of 3.12 to 0.01 mg/mL in the larval development test (LDT). Inhibition concentrations (IC) were determined by the SAS Probit procedure, and significant differences assessed by ANOVA followed by Tukey's test...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925065/natural-canine-infection-by-leishmania-infantum-and-leishmania-amazonensis-and-their-implications-for-disease-control
#19
Letícia da Cruz Sanches, Cleber Costa de Martini, Alex Akira Nakamura, Maria Emília Bodini Santiago, Beatriz Dolabela de Lima, Valéria Marçal Felix de Lima
Leishmaniasis is a major public health problem worldwide. Because Leishmania can adapt to new hosts or vectors, knowledge concerning the current etiological agent in dogs is important in endemic areas. This study aimed to identify the Leishmania species detected in 103 samples of peripheral blood from dogs that were naturally infected with these protozoa. The diagnosis of leishmaniasis was determined through parasitological examination, the indirect enzyme-linked immunosorbent assay (ELISA) and the polymerase chain reaction (PCR)...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925064/does-hair-coat-length-affect-flea-infestation-in-naturally-infested-dogs
#20
Guilherme Araujo Collares da Silva, Luciana Araujo Lins, Márcio Josué Costa Irala, Marcial Corrêa Cárcamo, Paulo Bretanha Ribeiro
The Siphonaptera are parasitic insects of endothermic animals and Ctenocephalides felis and Pulex irritans are important parasites of dogs. This study evaluated the effect of hair coat length and time of year on the population size of C. felis and P. irritans in naturally infested dogs. Fleas were collected from 14 dogs on a monthly basis for a year (February 2015 to January 2016) at a rural property in Bagé, Rio Grande do Sul, Brazil. The dogs were divided into two groups based on hair coat length: short coat (coat length < 5...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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