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Cryptosporidium spp. in bursa of Fabricius of broiler chickens from Uruguay / Cryptosporidium spp. em bursa de Fabrícius de frangos de corte no Uruguai
Casanova, Susana; Verdes, José Manuel; Okada, Kosuke.
Affiliation
  • Casanova, Susana; Universidad de la República. Poultry Pathology and Production Department. Veterinary School. Montevideo. UY
  • Verdes, José Manuel; Universidad de la República. Poultry Pathology and Production Department. Veterinary School. Montevideo. UY
  • Okada, Kosuke; Universidad de la República. Poultry Pathology and Production Department. Veterinary School. Montevideo. UY
Ciênc. rural ; Ciênc. rural (Online);45(1): 64-67, 01/2015. graf
Article in En | LILACS | ID: lil-731096
Responsible library: BR1.1
ABSTRACT
The presence of Cryptosporidium spp. was detected in broiler chickens of 32-40 days of age, colonizing the bursa of Fabricius. The histologic study with haematoxylin and eosin staining was done on specimens of trachea, complete intestinal tract and bursa. Samples of intestinal content were also studied using Kinyoun staining technique. All birds with signs of illness were positive to the presence of parasite, showing a hypertrophic bursa of Fabricius, filled with caseous content. The bursal epithelial cells were full of different developmental stages of Cryptosporidium spp. This note describing the presence of Cryptosporidium spp. in industrial flocks of broiler chickens, is the first report of this parasite in Uruguay.
RESUMO
A presença de Cryptosporidium spp. foi detectada em frangos de corte de 32-40 dias de idade, colonizando a bursa de Fabrícius. O estudo histológico com hematoxilina e eosina foi feito em amostras de traqueia, trato intestinal completo e bursa. As amostras de conteúdo intestinal também foram estudadas utilizando a técnica de coloração de Kinyoun. Todas as aves com sinais de doença foram positivas para a presença do parasita, mostrando uma bursa de Fabrícius hipertrófica com grande quantidade de conteúdo caseoso. As células epiteliais bursais estavam repletas de diferentes estágios de desenvolvimento de Cryptosporidium spp. Esta nota, que descreve a presença de Cryptosporidium spp. em lotes industriais de frangos de corte, é o primeiro relato deste parasita no Uruguai.
Key words

Full text: 1 Index: LILACS Country/Region as subject: America do sul / Uruguay Language: En Journal: Ciênc. rural / Ciênc. rural (Online) Journal subject: CIENCIA / SAUDE AMBIENTAL Year: 2015 Type: Article

Full text: 1 Index: LILACS Country/Region as subject: America do sul / Uruguay Language: En Journal: Ciênc. rural / Ciênc. rural (Online) Journal subject: CIENCIA / SAUDE AMBIENTAL Year: 2015 Type: Article