Revista Brasileira De Parasitologia Veterinaria最新文献

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Pulmonary pathology in white-eared opossums (Didelphis albiventris) with natural Heterostrongylus heterostrongylus () infections. 白耳负鼠(Didelphis albiventris)天然异圆线虫感染的肺部病理。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-05-19 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025022
Maria Izabel Pedra Sogari, Andressa Maria Rorato Nascimento de Matos, Felipe Martins Negreiros Navolar, Amanda Filus Marchese, Jorgeana Guadanhini Negrizolli, Fernando de Souza Rodrigues, Ana Paula Frederico Loureiro Bracarense
{"title":"Pulmonary pathology in white-eared opossums (Didelphis albiventris) with natural Heterostrongylus heterostrongylus () infections.","authors":"Maria Izabel Pedra Sogari, Andressa Maria Rorato Nascimento de Matos, Felipe Martins Negreiros Navolar, Amanda Filus Marchese, Jorgeana Guadanhini Negrizolli, Fernando de Souza Rodrigues, Ana Paula Frederico Loureiro Bracarense","doi":"10.1590/S1984-29612025022","DOIUrl":"10.1590/S1984-29612025022","url":null,"abstract":"<p><p>Carcasses of road-killed wild animals provide critical insights into animal health and environmental conditions. However, data on the presence of lung parasites and their effects on the health of white-eared opossums are limited. This study examines lung parasites and their pathological effects on white-eared opossums (Didelphis albiventris) found in northern Paraná, Brazil. We collected and processed lung samples from 21 opossums using standard histological techniques. Lung nematodes were preserved and identified by their morphological traits. Heterostrongylus heterostrongylus (Travassos, 1925) was detected in nine animals (42.8%). Key histological observations included diffuse interstitial pneumonia, lymphoid tissue hyperplasia, pulmonary hemorrhage, smooth muscle hypertrophy in the pulmonary vessels, congestion, and edema. Although the immediate cause of death was hypovolemic or neurogenic shock from vehicular collisions, the findings underscore the significance of studying road-killed wild animals to evaluate wildlife health and environmental status. This research also documents the first instance of H. heterostrongylus lung infections in D. albiventris, suggesting that these parasites significantly impact lung health.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e021424"},"PeriodicalIF":1.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12094093/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144112315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ascaridia hermaphrodita (Froelich, 1789) and Ascaridia columbae (Gmelin, 1780) in neotropical psittacine birds. 新热带鹦鹉的雌雄蛔虫(Froelich, 1789)和柱蛔虫(Gmelin, 1780)。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-18 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025015
Octávio Augusto Serra Santos, Vanessa Kanaan, Hugo Lago de Sant'Anna Rocha, Reinaldo José da Silva, Tânia Freitas Raso
{"title":"Ascaridia hermaphrodita (Froelich, 1789) and Ascaridia columbae (Gmelin, 1780) in neotropical psittacine birds.","authors":"Octávio Augusto Serra Santos, Vanessa Kanaan, Hugo Lago de Sant'Anna Rocha, Reinaldo José da Silva, Tânia Freitas Raso","doi":"10.1590/S1984-29612025015","DOIUrl":"https://doi.org/10.1590/S1984-29612025015","url":null,"abstract":"<p><p>Gastrointestinal parasites found in four Neotropical psittacine birds of the species Ara macao, Amazona aestiva, Amazona vinacea and Pionus maximiliani have been reported. The carcasses of the animals were received from commercial breeders and a rehabilitation center for necropsy. In total, 589 parasites were collected during the exams and submitted for morphological analysis and taxonomic identification. Twenty parasites from each host were cleaned with lactophenol and analyzed by light microscopy, while four parasites from each host were prepared for scanning electron microscopy. Tissue samples were forwarded for histological analysis in search of erratic larvae; however, none were found. Parasites from A. macao, A. aestiva and A. vinacea were identified as Ascaridia hermaphrodita, whereas parasites from P. maximiliani were identified as Ascaridia columbae, promoting the first report of A. columbae in P. maximiliani. All birds were kept in enclosures with access to the ground, facilitating parasitism. Pionus maximiliani and A. vinacea were kept together in the same enclosure with high population density. Additionally, synanthropic animals, such as Columbiformes, were observed in the same enclosure, facilitating infection with A. columbae. The identification of Ascaridia species that parasitizes psittacine birds helps to improve prevention and control measures, thus enhancing avian health and welfare.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e022224"},"PeriodicalIF":1.3,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12020731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144056252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular and serological survey of Trypanosoma vivax in Crioulo Lageano Cattle from southern Brazil. 巴西南部克里乌洛·拉加诺牛间日锥虫的分子和血清学调查。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-14 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025019
Felipe Eduardo Fiorin, Mariana da Silva Casa, Leonardo Bergmann Griebeler, Mariana Fuchs Goedel, Gianlucca Simão Nadal Ribeiro, Luiz Flávio Nepomuceno do Nascimento, Gabriella Bassi das Neves, Graziela Vieira Fonteque, Luiz Cláudio Miletti, Mere Erika Saito, Joandes Henrique Fonteque
{"title":"Molecular and serological survey of Trypanosoma vivax in Crioulo Lageano Cattle from southern Brazil.","authors":"Felipe Eduardo Fiorin, Mariana da Silva Casa, Leonardo Bergmann Griebeler, Mariana Fuchs Goedel, Gianlucca Simão Nadal Ribeiro, Luiz Flávio Nepomuceno do Nascimento, Gabriella Bassi das Neves, Graziela Vieira Fonteque, Luiz Cláudio Miletti, Mere Erika Saito, Joandes Henrique Fonteque","doi":"10.1590/S1984-29612025019","DOIUrl":"https://doi.org/10.1590/S1984-29612025019","url":null,"abstract":"<p><p>Bovine trypanosomiasis, caused by infection with the protozoan Trypanosoma vivax, is harmful to livestock worldwide. Knowing its epidemiology is relevant to evaluate the susceptibility, resistance, and tolerance of animals. The objective of this study was to determine the prevalence of T. vivax in Crioula Lageana cattle and relate them to clinical, hematological, and biochemical findings to elucidate the breed's health and disease tolerance characteristics. Venous blood samples from 310 bovines considered healthy during the clinical examination were used to perform polymerase chain reaction (PCR) analysis, Immunofluorescence Antibody Test (IFAT) assays, hemogram tests, and serum biochemistry. The collected data were subjected to statistical analyses to compare seropositive and negative groups. IFAT indicated that the seroprevalence for T. vivax was 8% (24/310); however, all tested animals were negative in the conventional PCR (0%, 0/310). Higher amounts of platelets and less cholesterol were detected in seropositive animals but were within the reference values. Ruminal hypomotility and mild tachycardia were observed in all sampled animals. Considering the non-specific clinical signs and the absence of hematological alterations in infected animals, the seropositivity found indicates previous exposure to the protozoan, and the absence of clinically affected animals may result from characteristics inherent to this breed.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 1","pages":"e019424"},"PeriodicalIF":1.3,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11999535/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Veterinary parasitologists: the time has come to talk about the use of the expressions "Protozoan" and "Protista". 兽医寄生虫学家:是时候讨论“原生动物”和“原生动物”这两个词的使用了。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-14 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025021
José Reck, Alynne da Silva Barbosa, Huarrison Azevedo Santos, Filipe Dantas-Torres, Marcos Rogério André, George Rego Albuquerque
{"title":"Veterinary parasitologists: the time has come to talk about the use of the expressions \"Protozoan\" and \"Protista\".","authors":"José Reck, Alynne da Silva Barbosa, Huarrison Azevedo Santos, Filipe Dantas-Torres, Marcos Rogério André, George Rego Albuquerque","doi":"10.1590/S1984-29612025021","DOIUrl":"https://doi.org/10.1590/S1984-29612025021","url":null,"abstract":"<p><p>The classification of eukaryotic organisms has evolved significantly over the past years. For a long time, the five-kingdom model proposed in 1969, which included the kingdoms Monera, Protista, Fungi, Plantae, and Animalia, dominated biological classification. However, recent advances in molecular biology, particularly phylogenomic studies, have challenged this classification as it does not accurately represent the evolutionary patterns of a vast diversity of organisms, especially those formerly known as protozoa. Currently, Protista is no longer considered a valid taxon, as the organisms previously classified in this group are highly divergent and not monophyletic. Modern approaches now classify eukaryotes into several supergroups, with \"protozoa\" now dispersed among different groups. For example, parasites once grouped as \"protozoa,\" such as Babesia (Apicomplexa), Trypanosoma (Euglenozoa), and Entamoeba (Evosea), are now placed into distant branches of the tree of life and within different supergroups. Although this supergroup classification may change in the coming years, it provides a more accurate representation of evolutionary relationships among eukaryotes. However, this issue has not been adequately discussed by the veterinary parasitology community. This article advocates revisiting these terms in light of modern classification systems to ensure a more accurate and biologically realistic terminology that reflects current knowledge.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e020124"},"PeriodicalIF":1.3,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11999532/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144062604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiparasitism by myxozoans in Pygocentrus nattereri (Characiformes: Serrasalmidae) from Sacaizal Lake, in the municipality of Pracuúba, state of Amapá, Brazil. 巴西阿马ap<e:1>州Pracuúba市Sacaizal湖水蚤黏液虫的多重寄生研究
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-14 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025020
Nayana Moraes de Sena, Jhonata Eduard, Camila Maria Barbosa Pereira, José Ledamir Sindeaux Neto, Michele Velasco
{"title":"Multiparasitism by myxozoans in Pygocentrus nattereri (Characiformes: Serrasalmidae) from Sacaizal Lake, in the municipality of Pracuúba, state of Amapá, Brazil.","authors":"Nayana Moraes de Sena, Jhonata Eduard, Camila Maria Barbosa Pereira, José Ledamir Sindeaux Neto, Michele Velasco","doi":"10.1590/S1984-29612025020","DOIUrl":"https://doi.org/10.1590/S1984-29612025020","url":null,"abstract":"<p><p>The present study described the morphological characteristics of myxospores of cnidarians belonging to the class Myxozoa at different infection sites in Pygocentrus nattereri Kner 1858 (Characiformes: Serrasalmidae), found in Lake Sacaizal, in the municipality of Pracuúba, state of Amapá, Brazil. In 44% of the specimens analyzed, myxospore gill filaments of the genus Henneguya were observed with a pyriform sporal body, presenting long caudal projections internally, with two polar capsules. In some filaments, branchial arches, and fin cysts (with a prevalence of 22%) pyriform Myxobolus myxospores were observed, which were larger than those found in the caudal kidneys, where the myxospores had an elliptical shape, demonstrating the presence of two morphotypes in the same host. Thus, these morphological data contribute to the diversity of myxozoans in Amazonian fish, particularly P. nattereri in their natural environment, with the first occurrence of these parasite genera in this host.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 1","pages":"e001125"},"PeriodicalIF":1.3,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11999538/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144008664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence and factors associated with Babesia bigemina infection in Crioula Lageana cattle breed. 拉吉纳Crioula牛品种中巴贝斯虫感染的流行及相关因素。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-07 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025018
Mariana da Silva Casa, Julio de Mattos Vettori, Ketriane Mota de Souza, Paulo Ricardo Benetti Todeschini, Luiz Cláudio Miletti, Carla Ivane Ganz Vogel, André Luís Ferreira Lima, Joandes Henrique Fonteque
{"title":"Prevalence and factors associated with Babesia bigemina infection in Crioula Lageana cattle breed.","authors":"Mariana da Silva Casa, Julio de Mattos Vettori, Ketriane Mota de Souza, Paulo Ricardo Benetti Todeschini, Luiz Cláudio Miletti, Carla Ivane Ganz Vogel, André Luís Ferreira Lima, Joandes Henrique Fonteque","doi":"10.1590/S1984-29612025018","DOIUrl":"10.1590/S1984-29612025018","url":null,"abstract":"<p><p>The objective of this study was to determine the prevalence of Babesia bigemina infection and associated risk factors in Crioula Lageana cattle, a Brazilian native breed known for its tick resistance. Blood samples were collected from 311 registered cattle (62 males, 249 females) from conservation nucleus properties in Santa Catarina State, Brazil. Samples underwent DNA extraction and nested PCR targeting the rap-1a gene for B. bigemina detection. Animals were categorized by sex, age class, and tick presence during sampling. An epidemiological questionnaire assessed potential risk factors. The overall B. bigemina prevalence was 60% (186/311; 95% CI: 56,95%-62,67%). Males showed significantly higher infection rates (79%; 49/62) compared to females (55%; 137/249; OR=3.36, p<0.001). Bulls (81%; 26/32) and calves (78%; 56/72) exhibited higher infection rates than cows (50%; 70/141) and heifers (52%; 34/66; p<0.001). Tick presence during sampling increased infection probability (OR=2.00, p=0.006). Contact with other animal species (OR=1.57, p=0.037) and regular veterinary care (OR=6.77, p=0.009) were identified as significant risk factors. Results indicate enzootic instability in the studied population, with distinct sex-based susceptibility patterns. These findings provide baseline data for developing targeted control strategies for B. bigemina in Crioula Lageana breeding programs.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 1","pages":"e005424"},"PeriodicalIF":1.3,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11991670/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143804560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Absence of phlebotominae sandflies (Diptera: Psychodidae) and allochthonous canine leishmaniasis cases in the Santa Catarina Plateau, Brazil. 巴西圣卡塔琳娜高原白蛉科(双翅目:白蛉科)和异域犬利什曼病病例的缺失。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-07 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025012
Faiane Reila Sousa Centenaro Duarte, Geanice Ledo, Felipe Rieth de Lima, Mayckon Antônio Cardoso Padilha, Márcio Rodrigues da Silva, Manuela Steil Korb, Anderson Barbosa de Moura, Andreas Lazaros Chryssafidis
{"title":"Absence of phlebotominae sandflies (Diptera: Psychodidae) and allochthonous canine leishmaniasis cases in the Santa Catarina Plateau, Brazil.","authors":"Faiane Reila Sousa Centenaro Duarte, Geanice Ledo, Felipe Rieth de Lima, Mayckon Antônio Cardoso Padilha, Márcio Rodrigues da Silva, Manuela Steil Korb, Anderson Barbosa de Moura, Andreas Lazaros Chryssafidis","doi":"10.1590/S1984-29612025012","DOIUrl":"10.1590/S1984-29612025012","url":null,"abstract":"<p><p>Leishmaniasis is a parasitic disease caused by Leishmania spp., transmitted to hosts through the bite of female phlebotomine sandflies, with domestic dogs serving as reservoirs for the disease. Understanding the entomofauna is crucial for effective control of vector-borne diseases, such as leishmaniasis, because various environmental and climatic factors can influence sandfly presence and distribution. This study aimed to conduct a quantitative and qualitative survey of the entomofauna in urban and peri-urban areas of Lages, Santa Catarina, Brazil, and to analyze documented cases of canine leishmaniasis in the city, in response to the rising number of non-autochthonous cases in dogs. The lack of prior studies on this fauna in the municipality raises concerns for public health services. Nine areas were monitored over the course of one year, and clinical and epidemiological records of canine leishmaniasis in the city were analyzed. A total of 10,638 insects were collected, with no phlebotomine sandflies identified. All evaluated cases of canine leishmaniasis were classified as non-autochthonous based on the movement history of these animals and the absence of the disease vector in the municipality. This information may guide further control and prevention measures for leishmaniasis in the region, aligned with a One Health perspective.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e016724"},"PeriodicalIF":1.3,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11991669/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143804599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accuracy of parasitological techniques and positivity for endoparasites in stray and household cats in Jataí, Goiás, Brazil. 巴西Jataí、Goiás地区流浪猫和家猫体内寄生虫检测技术的准确性和阳性情况。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-07 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025010
Isa Marianny Ferreira Nascimento Barbosa de Souza, Stéfanne Rodrigues Rezende Ferreira, Samuel Felipe Netzlaff, Amanda Cristina Corrêa Fleury, Victor da Silva Siqueira, Gabriella Katrinny Avelar Oliveira, Isabella da Costa Ribeiro, Júlia Batista Dornelas, Ludimila Paula Vaz Cardoso, Hanstter Hallison Alves Rezende
{"title":"Accuracy of parasitological techniques and positivity for endoparasites in stray and household cats in Jataí, Goiás, Brazil.","authors":"Isa Marianny Ferreira Nascimento Barbosa de Souza, Stéfanne Rodrigues Rezende Ferreira, Samuel Felipe Netzlaff, Amanda Cristina Corrêa Fleury, Victor da Silva Siqueira, Gabriella Katrinny Avelar Oliveira, Isabella da Costa Ribeiro, Júlia Batista Dornelas, Ludimila Paula Vaz Cardoso, Hanstter Hallison Alves Rezende","doi":"10.1590/S1984-29612025010","DOIUrl":"10.1590/S1984-29612025010","url":null,"abstract":"<p><p>The objective of this study was to describe the positivity of intestinal parasitosis in cats from the city of Jataí, Goiás, as well as to determine the accuracy of different parasitological techniques applied. 120 samples were collected, 64 from household cats and 56 from stray. The parasitological techniques of Willis, Sheather, Faust, Hoffman-Pons-Janer-Lutz and Rugai staining were then performed. The positivity rate of endoparasites in the analyzed samples was 19.2%, with a predominance of hookworm eggs. Cystoisospora spp. and Hammondia hammondi oocysts were also found, with a case of co-infection with the two species. No statistical difference in positivity was found between household and stray cats. However, a significant difference was found upon evaluating sex and neutering status, revealing that male cats and non-neutered animals showed higher positivity rates, with 28.8% of non-neutered animals testing positive compared to 9.83% of neutered animals. The Willis technique was considered the gold standard for hookworm diagnosis, with a sensitivity of 91.3%. While the Willis technique was identified as the gold standard for detecting hookworm eggs, the evaluation of other methodologies demonstrated that the integration of techniques can improve the detection of various parasitic stages.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e020924"},"PeriodicalIF":1.3,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11991666/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143804604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Vandellia sp. parasiting the Raspy river stingray Potamotrygon scobina in the Amazon basin. 在亚马逊盆地发现Vandellia sp.寄生于Raspy河黄貂鱼Potamotrygon scobina的首次报道。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-04-04 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025011
Paulo Arthur Abreu Trindade, Felipe Antônio Silva, Marcos Sidney Brito Oliveira, Carson Allen Jeffres, Marcelo Ândrade, Tommaso Giarrizzo
{"title":"First report of Vandellia sp. parasiting the Raspy river stingray Potamotrygon scobina in the Amazon basin.","authors":"Paulo Arthur Abreu Trindade, Felipe Antônio Silva, Marcos Sidney Brito Oliveira, Carson Allen Jeffres, Marcelo Ândrade, Tommaso Giarrizzo","doi":"10.1590/S1984-29612025011","DOIUrl":"10.1590/S1984-29612025011","url":null,"abstract":"<p><p>This study reports the first record of candiru, Vandellia sp. parasitizing the freshwater stingray Potamotrygon scobina in the Amazon basin, Brazil. In April 2018, a specimen of Potamotrygon scobina was collected by bottom long-term using fish as bait during the monitoring program in the Xingu River. During a routine inspection, a Vandellia sp. was observed in the branchial slit of the Potamotrygon scobina specimen. The trichomycterid was collected and preserved in 10% formaldehyde followed by preservation in 70% ethanol. This study is the first to record this parasite associated on a stingray in Brazil.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 2","pages":"e017624"},"PeriodicalIF":1.3,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11970830/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143804661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Presence of Dioctophyme renale in domestic and wild cycles in the Brazilian Cerrado. 巴西塞拉多地区家养和野生水循环中存在双章鱼蝇。
IF 1.3 4区 农林科学
Revista Brasileira De Parasitologia Veterinaria Pub Date : 2025-03-31 eCollection Date: 2025-01-01 DOI: 10.1590/S1984-29612025016
Zara Mariana de Assis-Silva, Lizandra Fernandes-Silva, Iago de Sá Moraes, Bruna Samara Alves-Ribeiro, Reiner Silveira de Moraes, Doughlas Regalin, Ísis Assis Braga, Klaus Casaro Saturnino, Dirceu Guilherme de Souza Ramos
{"title":"Presence of Dioctophyme renale in domestic and wild cycles in the Brazilian Cerrado.","authors":"Zara Mariana de Assis-Silva, Lizandra Fernandes-Silva, Iago de Sá Moraes, Bruna Samara Alves-Ribeiro, Reiner Silveira de Moraes, Doughlas Regalin, Ísis Assis Braga, Klaus Casaro Saturnino, Dirceu Guilherme de Souza Ramos","doi":"10.1590/S1984-29612025016","DOIUrl":"10.1590/S1984-29612025016","url":null,"abstract":"<p><p>Despite several records of Dioctophyme renale in domestic hosts (mainly dogs) and wild animals in Brazil, there are few studies related to the biology of the parasite and epidemiology of the parasitosis in the country. This also applies to the interactions and scratches in different locales. The aim of this study was to describe D. renale occurrence in 12 animals at an interface of the domestic-wild cycle and to detail two specific cases of these, one domestic and one wild canine (Chrysocyon brachyurus) from the same microregion of the Brazilian Cerrado. The difficulty in diagnosing dioctophimosis is related to nonspecific clinical signs. Over the last five years, 12 cases of D. renale have been reported in domestic and wild canids, two of which are described in full in this study. The expansion of livestock farming and urbanization of biomes, fragmentation of floral areas, and destruction of natural areas have increased the proximity between domestic and wild animals, and consequently, the occurrence of infectious and parasitic diseases. Its probability of occurrence in humans represents a public health risk.</p>","PeriodicalId":48990,"journal":{"name":"Revista Brasileira De Parasitologia Veterinaria","volume":"34 1","pages":"e012424"},"PeriodicalIF":1.3,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11961071/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143765560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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