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Revista Brasileira de Parasitologia Veterinária
On-line version ISSN 1984-2961
SOUZA, Maria de Fátima de et al. Gastrointestinal parasites of sheep, municipality of Lajes, Rio Grande do Norte, Brazil. Rev. Bras. Parasitol. Vet. [online]. 2012, vol.21, n.1, pp.71-73. ISSN 1984-2961. http://dx.doi.org/10.1590/S1984-29612012000100015.
This study investigated the gastrointestinal parasitism by helminths and protozoa in sheep (Ovis aries) Santa Inês breed, municipality of Lajes, Rio Grande do Norte. Monthly, from April 2005 to August 2007, stool samples were collected from two tracer lambs in the first day of the experiment and performed a necropsy of these animals in 44th day. A total of 64 lambs were sampled, but only 62 lambs were slaughtered. The fecal samples were examined by sedimentation in water. The contents of the abomasum, small intestine and large intestine were examined for the recovery of helminths. The parasitological examination revealed eggs of the following groups of helminths: Strongyloidea, Strongyloides sp., Trichuris sp., and Moniezia sp. Also were found oocysts of Eimeria spp., cysts of Entamoeba ovis and Giardia duodenalis. The helminths identified from examining the contents were: Haemonchus contortus, Cooperia pectinata, Cooperia punctata, Trichostrongylus colubriformis, Moniezia expansa, Oesophagostomum sp. Skrjabinema ovis and Trichuris sp.
Keywords : Sheep production; Haemonchus contortus; Trichostrongylus spp.; Giardia duodenalis; tracer lambs.