Artigos - Patologia Veterinária - FCAV
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Toxicity of a methotrexate metronomic schedule in Wistar rats
(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
(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)
(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
(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
(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
(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
(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
(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
(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
(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
(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)
(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
(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
(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
(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
(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.’
(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
(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
(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
(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 ...