The occurrence of Codiostomum struthionis in ostriches (Struthio camelus) of different ages and during the dry and rainy seasons at two farms in the State of Rio de Janeiro, Brazil

Ostriches are susceptible to a wide variety of diseases that can affect their commercial breeding. The aim of this study was to identify morphologically Codiostomum struthionis and examine its seasonal occurrence among animals of three age categories in two commercial farms in Areal and Itaboraí, St...

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Bibliographic Details
Published in:Veterinary parasitology 2012-02, Vol.183 (3-4), p.269-273
Main Authors: Fagundes, Thais Ferreira, Soleiro, Carla Alves, de Menezes, Rita de Cássia Alves Alcantara
Format: Article
Language:English
Subjects:
Age category
Age Factors
Agriculture
Animals
Antinematodal Agents - therapeutic use
Bird Diseases - drug therapy
Bird Diseases - epidemiology
Bird Diseases - parasitology
Brazil - epidemiology
Feces - parasitology
Female
Gastrointestinal Diseases - drug therapy
Gastrointestinal Diseases - epidemiology
Gastrointestinal Diseases - parasitology
Gastrointestinal Diseases - veterinary
Ivermectin - therapeutic use
Larva - anatomy & histology
Larva - classification
Larva - drug effects
Male
Mebendazole - therapeutic use
Nematode
Ostrich
Parasite Egg Count - veterinary
Prevalence
Seasonality
Seasons
Strongylida
Strongylida Infections - drug therapy
Strongylida Infections - epidemiology
Strongylida Infections - parasitology
Strongylida Infections - veterinary
Strongyloidea - anatomy & histology
Strongyloidea - classification
Strongyloidea - drug effects
Struthioniformes
Weather
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Summary:Ostriches are susceptible to a wide variety of diseases that can affect their commercial breeding. The aim of this study was to identify morphologically Codiostomum struthionis and examine its seasonal occurrence among animals of three age categories in two commercial farms in Areal and Itaboraí, State of Rio de Janeiro, Brazil. Fresh fecal samples were collected monthly, from June 2004 to May 2006. Eggs per gram of feces (EPG) were counted after centrifugal flotation in saturated sugar solutions and infective larvae were evaluated after coproculture. A total of 432 fecal samples were collected from three groups according to ostrich age: up to 90 days, 91–365 days and over 365 days (adults). The dry and rainy seasons were defined according to official meteorological data. Typical eggs of the Strongylida order were identified in 242 samples (235 from adult ostriches). Once obtained, infective larvae were identified as C. struthionis. Adult ostriches exhibited significantly greater numbers of eggs in their feces during the rainy season compared to the dry season (p
ISSN:0304-4017
1873-2550
DOI:10.1016/j.vetpar.2011.07.041