Oral trichomoniasis in raptors in Southern Brazil

Echenique, Joanna V.Z.; Soares, Mauro Pereira; Bruni, Mirian Pinheiro; Farias, Nara Amélia da Rosa; Moretti, Valéria Defavari; Bandarra, Paulo Mota; Albano, Ana Paula Neuschrank; Schild, Ana Lúcia

doi:10.1590/1678-5150-pvb-6077

Cited by 4 publications

(2 citation statements)

References 32 publications

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“…The cultures were centrifuged at 1500 × g for 10 min (Echenique et al 2020) to obtain the five isolates, the supernatants were discarded, and the pellets were re-suspended in phosphate-buffered saline, and stored at − 20 °C until their DNA was extracted.…”

Section: Sampling T Gallinae For Pcr and Dna Extractionmentioning

confidence: 99%

Detection and molecular characterization of Trichomonas gallinae recovered from domestic pigeons in Egypt

Mohamed¹,

Saad²,

Khalifa

et al. 2022

Parasitol Res

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Trichomonas gallinae is a protozoan parasite that causes canker in pigeons. Squabs (young pigeons) are frequently infected with T. gallinae and can die because of the infection, while adult pigeons can act as carriers showing no clinical signs. In the present study, 50 squabs, up to 1-month-old, were purchased from pigeon markets in different regions of the Giza governorate, Egypt. Direct wet mount preparations of the oral excretions of the squabs (mouth wash) and Giemsa staining revealed that 64% (32/50) were positive for T. gallinae. Experimental infection of ten squabs with 103 T. gallinae trophozoites/ml resulted in oral lesions on the mouth, tongue, and soft palate, with the presence of yellowish-white nodules (cheese-like) in the oral cavity on the sixth day post-infection in all squabs. A subset of five samples were cultured in modified Diamond’s media, their DNA was extracted, and a portion of the ribosomal internal transcribed spacer region (ITS1/5.8S/ITS2) was amplified by polymerase chain reaction (PCR) followed by sequencing. Phylogenetic analysis of the five isolates revealed 64–91% homology with some reference isolates circulating in Egypt and related countries.

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Section: Sampling T Gallinae For Pcr and Dna Extractionmentioning

confidence: 99%

Detection and molecular characterization of Trichomonas gallinae recovered from domestic pigeons in Egypt

Mohamed¹,

Saad²,

Khalifa

et al. 2022

Parasitol Res

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“…Aspergillosis occurred in native wild birds belonging to different orders and originating from illegal trafficking in the southern region of Brazil [ 9 ]. Trichomoniasis has been reported in the South and Southeast regions of Brazil, affecting raptors, Passeriformes, and native wild Piciformes [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

A Survey of Diseases in Different Species of Wild, Captive, and Illegally Traded Birds in Brazil

Lacerda,

de Magalhães Santos,

Lopes

et al. 2023

Animals

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Native and exotic avian species can act as reservoirs of pathogens, including bacteria and viruses, with conservation and public health implications. A retrospective study on the diagnosis and frequency of diseases in wild and exotic avian species was conducted. The occurrence of particular diseases was associated with the type of captivity or the bird’s origin. The investigation included macroscopic and microscopic descriptions and the molecular determination of the causative agent(s). Additional immunohistochemical (IHC) analysis, PCR, and genetic sequencing were conducted. A total of 243 cases were compiled for the study, mainly consisting of native wild species (39.1%) obtained from illegal trade. Primary infectious diseases, mainly parasitic (18.1%) and viral (17.7%), were the most common, although coinfections were substantial (18.1%) in birds rescued from trafficking. Fractures and neoplasms accounted for 3.7% and 3.3% of the cases, respectively. Parasitic and viral diseases were the most common in both exotic and wild birds. Chlamydia psittaci, a lethal and zoonotic bacterium, was an important cause of death, especially in native Psittaciformes. The recent detection of Psittacid alphaherpesvirus 5 (PsAHV 5) in exotic psittacines and the diagnosis of coinfections in trafficked birds highlight the importance of monitoring avian health to control potential pathogens that may endanger conservation efforts.

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Internal Parasites and Their Impact on the Health and Conservation of Neotropical Vertebrates

de Oliveira,

Felix-Nascimento,

Berenguer

et al. 2024

Ecology of Wildlife Diseases in the Neotropics

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Oral trichomoniasis in raptors in Southern Brazil

Cited by 4 publications

References 32 publications

Detection and molecular characterization of Trichomonas gallinae recovered from domestic pigeons in Egypt

Detection and molecular characterization of Trichomonas gallinae recovered from domestic pigeons in Egypt

A Survey of Diseases in Different Species of Wild, Captive, and Illegally Traded Birds in Brazil

Internal Parasites and Their Impact on the Health and Conservation of Neotropical Vertebrates

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