• Toxicity of a methotrexate metronomic schedule in Wistar rats 

  Correal, María Lucía ; Camplesi, Annelise Carla ; Anai, Letícia Abrahão ; Bertolo, Paulo Henrique Leal ; Vasconcelos, Rosemeri de Oliveira ; Santana, Áureo Evangelista (Research in Veterinary Science, 2020) [Artigo]

  Metronomic chemotherapy is a relevant strategy that uses low doses of antineoplastic drugs for sustained periods to control tumor growth, an alternative frequently utilized in veterinary patients. This work aimed to evaluate ...

• THE EYE of CRAB-EATING FOX (CERDOCYON THOUS): ANATOMICAL CHARACTERISTICS and NORMATIVE VALUES of SELECTED DIAGNOSTIC TESTS, MORPHOMETRY of CORNEAL TISSUE, and ARRANGEMENTS of CORNEAL STROMAL COLLAGEN FIBERS 

  Renzo, Roberta ; Aldrovani, Marcela ; Crivelaro, Roberta M. ; Thiesen, Roberto; De Barros Sobrinho, Alexandre A. F. ; Balthazar Da Silveira, Camila P. ; Garcia, Amanda P.; Campos, Gabrielle C. S.; Werther, Karin ; Laus, José L. (Journal of Zoo and Wildlife Medicine, 2020) [Artigo]

  This study aimed to evaluate the ophthalmic parameters, morphometric features of corneal tissue, and arrangements of corneal stromal collagen fibers in crab-eating fox (Cerdocyon thous), a species of neotropical wild canid. ...

• Necrotic Enteritis Caused by Clostridium perfringens in Blue and Gold Macaws (Ara ararauna) 

  De Santi, Mariele ; Schocken-Iturrino, Rubén Pablo ; Casagrande, Mariana Froner ; Boarini, Lívia ; De Souza Pollo, Andressa ; Werther, Karin (Journal of Avian Medicine and Surgery, 2020) [Artigo]

  Clostridium perfringens types A and C, which are gram-positive, anaerobic, spore-forming bacteria, can cause necrotic enteritis in birds. Although Clostridium perfringens is considered a commensal organism in the avian ...

• Multi-locus sequencing reveals a novel Bartonella in mammals from the Superorder Xenarthra 

  Calchi, Ana Cláudia ; Vultão, Juliana Gaboardi; Alves, Mario Henrique; Yogui, Débora Regina; Desbiez, Arnaud Leonard Jean; Amaral, Renan Bressianini ; Santi, Mariele ; Teixeira, Marta Maria Geraldes; Werther, Karin ; Machado, Rosangela Zacarias et al. (Transboundary and Emerging Diseases, 2020) [Artigo]

  The superorder Xenarthra consists of sloths, anteaters and armadillos, mammals originated from South America and currently distributed from the south of North America to the south of South America. The present study aimed ...

• Variant antigen diversity in Trypanosoma vivax is not driven by recombination 

  Silva Pereira, Sara; de Almeida Castilho Neto, Kayo J. G. ; Duffy, Craig W.; Richards, Peter; Noyes, Harry; Ogugo, Moses; Rogério André, Marcos ; Bengaly, Zakaria; Kemp, Steve; Teixeira, Marta M. G. et al. (Nature Communications, 2020) [Artigo]

  African trypanosomes (Trypanosoma) are vector-borne haemoparasites that survive in the vertebrate bloodstream through antigenic variation of their Variant Surface Glycoprotein (VSG). Recombination, or rather segmented gene ...

• Diagnostic, clinical and epidemiological aspects of dairy cows naturally infected by trypanosoma vivax in the states of pernambuco and alagoas, Brazil 

  De Andrade Neto, Adony Querubino; De Mendonça, Carla Lopes; Souto, Rodolfo José Cavalcanti; Sampaio, Paulo Henrique ; Fidelis, Otávio Luiz ; André, Marcos Rogério ; MacHado, Rosangela Zacarias ; Afonso, Jose Augusto Bastos (Revista Brasileira de Medicina Veterinaria, 2019) [Artigo]

  Trypanosoma vivax is the most pathogenic hemoparasite of ruminants, causing huge economic losses to the producer when prevalent in the herd. This study aims to characterize the trypanosomiasis in naturally infected cattle ...

• Serological detection and risk factors for equine piroplasmosis in the semiarid region of Pernambuco, northeastern Brazil 

  de Souza, Eline Almeida Rodrigues; de Carvalho Araujo, Andreina; Pires, Larissa Célly Souza Regis; Freschi, Carla Roberta ; Azevedo, Sergio Santos; Machado, Rosangela Zacarias ; Horta, Maurício Claudio (Revista Brasileira de Parasitologia Veterinaria, 2019) [Artigo]

  Equine piroplasmosis, an economically important disease in horses, has so far not been reported in Pernambuco state, Brazil. This study aimed to evaluate the seroprevalence of anti-Babesia caballi and anti-Theileria equi ...

• Cross-sectional study of seropositivity, lung lesions and associated risk factors of the main pathogens of Porcine Respiratory Diseases Complex (PRDC) in Goiás, Brazil 

  Galdeano, José Vanderlei Burim ; Baraldi, Thaís Gasparini ; Ferraz, Maria Eugênia Silveira ; De Souza Almeida, Henrique Meiroz ; Mechler-Dreibi, Marina Lopes ; Costa, Willian Marcos Teixeira; Montassier, Hélio José ; Mathias, Luis Antonio ; De Oliveira, Luís Guilherme (Porcine Health Management, 2019) [Artigo]

  Background: The objective of the study was to evaluate the occurrence and severity of Porcine Respiratory Diseases Complex (PRDC) pathogens in the Goiás State, Brazil. Were assessed the serological antibodies occurrency ...

• Frequency of antibodies and risk factors associated with toxoplasma gondii infection in backyard pig production in the city of mossoró, state of Rio Grande do Norte, Brazil 

  Santos, Isabela Maria Campanelli dos ; Leite, Alexandro Iris; Furquim, Maria Eduarda Chiaradia ; Zanatto, Diego Carlos de Souza ; Fernandes, Simone de Jesus ; Silva, Glaucenyra Cecília Pinheiro da ; Sampaio, Paulo Henrique ; Machado, Rosangela Zacarias ; André, Marcos Rogério (Revista Brasileira de Parasitologia Veterinaria, 2019) [Artigo]

  Toxoplasmosis is an important zoonosis for pregnant women and immunosuppressed people. The pig population also becomes infected by this pathogen, and undercooked or raw meat is an important source of infection for humans. ...

• Squamous cell carcinoma of unknown primary origin in a dog presenting with bone metastasis 

  Sierra Matiz, Oscar Rodrigo ; Viera, Rafaela Bortolotti ; Jark, Paulo Cesar ; Dos Anjos, Denner Santos ; Monteiro, Julio Edward Hough ; Matsui, Andresa ; Vasconcelos, Rosemeri de Oliveira ; Sueiro, Felipe Ruiz; Calazans, Sabryna Gouveia ; Tinucci-Costa, Mirela (Journal of Veterinary Medical Science, 2019) [Nota]

  A 10-year-old female American Pit Bull dog was diagnosed with metastatic undifferentiated carcinoma of the scapula. Immunohistochemistry showed positive immunoexpression for cytokeratins (AE1/AE3, 34BE12, CK7) and vimentin, ...

• Intravascular lymphoma in a dog: Case report 

  Costa, Rafael R. M. E. ; Martinelli, Paulo E. B. ; Perossi, Isabela F. S. ; Bonato, Leticia ; Silva, João Victor B.; Nascimento, Bruna R. I.; Bertolo, Paulo H. L. ; Lima, Gabriela P. ; Vasconcelos, Rosemeri O. (Brazilian Journal of Veterinary Pathology, 2020) [Artigo]

  Intravascular lymphoma is characterized by being a malignant neoplasm of extranodal T or B lymphocytes with exclusive proliferation within the vascular lumen, particularly of small vessels. The clinical signs vary due to ...

• Synonymy of the genus Delmohius Brennan and Goff, 1978 with Carebareia Goff and Brennan, 1977 (Trombidiformes: Trombiculidae) 

  Bassini-Silva, Ricardo; De Castro Jacinavicius, Fernando; Welbourn, Cal; Ochoa, Ron; Moraes Barros-Battesti, Darci (Systematic and Applied Acarology, 2020) [Artigo]

  Chiggers have been studied throughout the world for their role in disease transmission. Venezuela has the largest chigger diversity in South America. In a review of Venezuelan genera, two monotypic genera described from ...

• A case of co-parasitism of Sarcoptes scabiei (Linnaeus, 1758) (Sarcoptiformes: Sarcoptidae) and Cheyletiella parasitivorax (Mégnin, 1878) (Trombidiformes: Cheyletidae) in a European rabbit in Guatemala 

  García-Ochaeta, José Francisco; Jacinavicius, Fernando de Castro; Barros-Battesti, Darci Moraes ; Ochoa, Ronald; Bassini-Silva, Ricardo (International Journal of Acarology, 2020) [Artigo]

  Several mite families are specialized to parasitize only mammals causing severe dermatitis on their skins. Furthermore, few studies highlight co-parasitism between these families and their impact on their hosts. We are ...

• Molecular detection of Apicomplexan hemoparasites in anurans from Brazil 

  de Abreu Reis Ferreira, Daniel ; Perles, Lívia ; Machado, Rosangela Zacarias ; Prado, Cynthia P. A. ; André, Marcos Rogério (Parasitology Research, 2020) [Artigo]

  Amphibians are among the most threatened vertebrate groups in the world, and the main causes include climate change, habitat destruction, and emerging diseases. Herein, we investigated the occurrence and characterized ...

• Lipid rich carcinoma in canine mammary gland with metastasis in the abdominal cavity 

  Perossi, Isabela F. S.; Martinelli, Paulo E. B.; Bonato, Leticia; Lima, Gabriela P. ; Bertolo, Paulo Henrique L. ; Costa, Rafael R. M. E. ; Gómez, Jorge L. A. ; De Nardi, Andrigo B. ; Vasconcelos, Rosemeri O. (Brazilian Journal of Veterinary Pathology, 2020) [Artigo]

  Lipid-rich carcinoma of the mammary gland is a rare variant of cancer and extremely uncommon in dogs. This case report describes the clinical and histopathological aspects of lipid-rich carcinoma in a female dog. A ...

• Efficacy of two adjuvants administrated with a novel hydrogen peroxide-inactivated vaccine against Streptococcus agalactiae in Nile tilapia fingerlings 

  Ramos-Espinoza, Fernando Carlos ; Cueva-Quiroz, Victor Alexander ; Yunis-Aguinaga, Jefferson ; Alvarez-Rubio, Norquis Caled ; Paganoti de Mello, Nicoli ; Engrácia de Moraes, Julieta Rodini (Fish and Shellfish Immunology, 2020) [Artigo]

  Streptococcus agalactiae is considered the main bacterial pathogen in cultured Nile tilapia. Formaldehyde-inactivated vaccines are the most accepted method for prevention and control of the disease. However, alternative ...

• Ehrlichia spp. and Anaplasma spp. in Xenarthra mammals from Brazil, with evidence of novel ‘Candidatus Anaplasma spp.’ 

  Calchi, Ana Cláudia ; Vultão, Juliana Gaboardi; Alves, Mario Henrique; Yogui, Débora Regina; Desbiez, Arnaud Leonard Jean; De Santi, Mariele ; Santana, Matheus de Souza ; da Silva, Thiago Merighi Vieira ; Werther, Karin ; Teixeira, Marta Maria Geraldes et al. (Scientific Reports, 2020) [Artigo]

  Anaplasmataceae agents are obligatory intracellular Gram-negative α-proteobacteria that are transmitted mostly by arthropod vectors. Although mammals of the Superorder Xenarthra (sloths, anteaters, and armadillos) have ...

• Records of ticks (Acari: Ixodidae) on humans and distribution of spotted-fever cases and its tick vectors in Paraná State, southern Brazil 

  Valente, Jessica D.M.; Silva, Patrícia W.; Arzua, Márcia; Barros-Battesti, Darci M. ; Martins, Thiago F.; Silva, Aparecida M.; Vieira, Thállitha S.W.J.; Labruna, Marcelo B.; Vieira, Rafael F.C. (Ticks and Tick-borne Diseases, 2020) [Artigo]

  Brazilian spotted fever (BSF) is the deadliest rickettsiosis in the world. Although the epidemiology of the disease has been established in Brazil, there are still limited data available on distribution of tick vectors and ...

• The co-infection with Ehrlichia minasensis, Anaplasma marginale and Anaplasma platys is not associated with anemia in beef cattle in the Brazilian Pantanal 

  André, Marcos Rogério ; Calchi, Ana Cláudia ; Herrera, Heitor Miraglia; Zanatto, Diego Carlos de Souza ; Horta, Bruna de Carvalho Le Senéchal ; Tasso, Júlia Banhareli ; de Souza Ramos, Inalda Angélica ; de Mello, Victória Valente Califre ; Machado, Rosangela Zacarias (Veterinary Parasitology: Regional Studies and Reports, 2020) [Artigo]

  The Anaplasmataceae family is composed of obligatory intracellular Gram-negative bacteria transmitted by arthropod vectors. In Brazil, with the exception of Anaplasma marginale, little is known about the occurrence of other ...

• ‘Candidatus Mycoplasma haemoalbiventris’, a novel hemoplasma species in white-eared opossums (Didelphis albiventris) from Brazil 

  Pontarolo, Giane Helenita; Kühl, Luís Felipe; Pedrassani, Daniela; Campos, Monique; Figueiredo, Fabiano Borges; Valente, Jessica Damiana Marinho; Gonçalves, Luiz Ricardo ; André, Marcos Rogério ; Vieira, Thállitha Samih Wischral Jayme; Vieira, Rafael Felipe da Costa et al. (Transboundary and Emerging Diseases, 2020) [Artigo]

  Opossums of the genus Didelphis are considered synanthropic animals due to their close contact with human beings. Previously, two species of hemotropic mycoplasmas (hemoplasmas) have been detected in opossums: ‘Candidatus ...

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