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Survey of lice Fauna in ornamental chickens from Sao Paulo and Rio de Janeiro states, Brazil

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Author(s):
Pesenato, Isabella Pereira ; Bassini-Silva, Ricardo ; Xavier, Joao Vitor ; Thyssen, Patricia Jacqueline ; Jacinavicius, Fernando de Castro
Total Authors: 5
Document type: Journal article
Source: VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS; v. 61, p. 5-pg., 2025-05-12.
Abstract

Once primarily consumed by humans, chickens have evolved into ornamental poultry industries, with a growing market in Brazil. Ectoparasites, such as chewing lice, can cause mild to severe lesions in chickens. Breeding and disease prevention methods concerning ornamental birds in Brazil are still understudied, with the techniques still based on poultry breeding. This study brings light into lice population that can affect ornamental chickens. The collections were conducted in four properties in Sao Paulo and Rio de Janeiro states, Brazil, where Silkie and Brahma breeds chickens were examined. Lice were collected and identified as Menopon gallinae, Menacanthus stramineus, and Columbicola columbae, characterizing a co-parasitism with increased clinical symptoms, such as low egg production and discomfort. Brazil's poor regulation of ornamental chicken farming leads to breeders not following quarantine recommendations and breeding different species together, increasing ectoparasite infestations. It raises concerns about lice parasites and the need for further research to understand parasites and improve breeding conditions. (AU)

FAPESP's process: 20/11755-6 - Taxonomy and microbiome of mites that parasitize bats in Brazil: study of the presence of pathogens and symbiotic commensal communities in these ectoparasites
Grantee:Ricardo Bassini Silva
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 22/11576-0 - Investigation of Rickettsia spp., Orientia spp. and Borrelia spp. in chigger mites (Trombiculidae and Leeuwenhokiidae) from Brazil
Grantee:Isabella Pereira Pesenato
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 24/01231-0 - Integrative taxonomy of neotropical chiggers (Trombidiformes: Trombiculidae and Leeuwenhoekiidae), including monitoring of pathogens from the families Anaplasmataceae, Bartonellaceae, and Rickettsiaceae
Grantee:Fernando de Castro Jacinavicius
Support Opportunities: Regular Research Grants