Capillariid nematodes in Brazilian turkeys, Meleagris gallopavo (Galliformes, Phasianidae): pathology induced by Baruscapillaria obsignata and Eucoleus annulatus (Trichinelloidea, Capillariidae)

Memórias do Instituto Oswaldo Cruz

Roberto Magalhães Pinto²  Beatriz Brener²  Rogério Tortelly¹  Rodrigo Caldas Menezes¹  Luís Cláudio Muniz-pereira² 

[1] ,Fiocruz Instituto Oswaldo Cruz Laboratório de Helmintos Parasitos de VertebradosRio de Janeiro RJ ,Brasil

关键词: Baruscapillaria obsignata;    Capillaria anatis;    Eucoleus annulatus;    Meleagris gallopavo;    turkeys;    pathology;   

DOI  :  10.1590/S0074-02762008005000017

来源: SciELO

【 摘 要 】

The pathology induced in turkeys (Meleagris gallopavo) by two capillariid nematodes, Baruscapillaria obsignata and Eucoleus annulatus is described together with data on prevalences, mean infection and range of worm burdens. B. obsignata occurred with a prevalence of 72.5% in the 40 examined hosts in a range of 2-461 nematodes and a mean intensity of 68.6, whereas E. annulatus was present in 2.5% of the animals, with a total amount of five recovered parasites. Gross lesions were not observed in the parasitized birds. Lesions due to B. obsignata mainly consisted of the thickening of intestinal villi with a mild mixed inflammatory infiltrate with the presence of mononuclear cells and heterophils. The lesions induced by E. annulatus were represented by foci of inflammatory infiltrate with heterophils in the crop epithelium and esophagus of a single infected female. These are the first pathological findings related to the presence of capillariid worms in turkeys to be reported in Brazil so far. Capillaria anatis, although present, was not pathogenic to the investigated turkeys.

【 授权许可】

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