Sarcocystosis among Wild Captive and Zoo Animals in Malaysia

Baha Latif; Subramaniam Vellayan; Effat Omar; Suliman Abdullah; Noryatimah Mat Desa

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자료유형: 학술저널

저자정보: Baha Latif (Universiti Teknologi MARA) Subramaniam Vellayan (Universiti Teknologi MARA) Effat Omar (Universiti Teknologi MARA) Suliman Abdullah (Universiti Teknologi MARA) Noryatimah Mat Desa (Universiti Teknologi MARA)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.48 No.3

발행연도: 2010.9

수록면: 213 - 217 (5page)

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Sarcocystis sp. infection was investigated in 20 necropsied captive wild mammals and 20 birds in 2 petting zoos in Malaysia. The gross post-mortem lesions in mammals showed marbling of the liver with uniform congestion of the intestine, and for birds, there was atrophy of the sternal muscles with hemorrhage and edema of the lungs in 2 birds. Naked eye examination was used for detection of macroscopic sarcocysts, and muscle squash for microscopic type. Only microscopically visible cysts were detected in 8 animals and species identification was not possible. Histological examination of the sections of infected skeletal muscles showed more than 5 sarcocysts in each specimen. No leukocytic infiltration was seen in affected organs. The shape of the cysts was elongated or circular, and the mean size reached 254 × 24.5 mm and the thickness of the wall up to 2.5 mm. Two stages were recognized in the cysts, the peripheral metrocytes and large numbers of crescent shaped merozoites. Out of 40 animals examined, 3 mammals and 5 birds were positive (20%). The infection rate was 15% and 25% in mammals and birds, respectively. Regarding the organs, the infection rate was 50% in the skeletal muscles followed by tongue and heart (37.5%), diaphragm (25%), and esophagus (12.5%). Further ultrastructural studies are required to identify the species of Sarcocystis that infect captive wild animals and their possible role in zoonosis.

#Sarcocystosis #captive wild animal #zoo animal #Malaysia

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