Section 7
Chapter 6,180

Prevalence of lung verminosis in swine in santa catarina state brazil

Fromiga, D.D.N.; Lignon, G.B.; Ueno, H.

Pesquisa Agropecuaria Brasileira 17(7): 1071-1078


ISSN/ISBN: 0100-204X
Accession: 006179305

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Records from the Inspection Division of animal products, controlled by Ministry of Agriculture (DIPOA) located in Concordia, state of Santa Catarina [Brazil], were used in order to define the prevalence of genus Metastrongylus in swine from 1976-1980. A taxonomic study was carried out in some helminths of genus Metastrongylus from DIPOA'S collection of parasites and nematodes collected from lungs. Lungs collected in slaughterhouses of Santa Catarina State were submitted to an artificial digestion and to an anatomic histopathologic study. The average occurrence of Metastrongylus spp. in the years studied was 0.42%, varying from 0.28% to 0.57%. Helminths from DIPOA'S collection as well as from lungs were classified as 3 spp. of Metastrogylus. No immature form was found in the material resulting from artificial digestion of lungs. A taxonomic study of 217 nematodes, showed 84 (38.7%) Metastrongylus salmi, 73 (37.7%) M. pudendotectus and 60 (27.6%) M. apri. This was the 1st record of these species in Santa Catarina State. Histopathology showed that the macroscopic and microscopic lesions on the lung fragments were compatible with those observed in swine metastrongylosis. The main conclusion was that prevalence of swine metastrongylosis is low in the area involved in this study; M. salmi was more frequent.

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