A total of 228 salmonids (90 Oncorhynchus mykiss, 48 Oncorhynchus kisutch, and 90 Salmo salar) from 8 intensive aquaculture centers in the south of Chile were examined for endohelminths parasites between December 2008 and May 2009. The body cavities of 2 O. mykiss were infected by Diphyllobothrium sp. plerocercoids (prevalence: 6.7%, mean intensity: 1.0, mean abundance: 0.07) from the Lake Tarahuin hatchery on the south of Chiloé Island. Also, tetraphyllidean plerocercoids (prevalence: 3.3%, mean intensity: 1, mean abundance: 0.03) and fourth-stage larvae of Hysterothylacium aduncum (prevalence: 6.7%, mean intensity: 1, mean abundance 0.07) were observed in O. kisutch from a marine hatchery in Chiloé. The occurrences of Diphyllobothrium sp. in a lake and a tetraphyllidean plerocercoid from marine cultured salmonid in Chiloé are reported for first time. No muscular infection by helminths was recorded in the fish examined.
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1 June 2010
Endohelminth Parasites From Salmonids in Intensive Culture From Southern Chile
P. Torres,
J. C. Quintanilla,
M. Rozas,
P. Miranda,
R. Ibarra,
M. F. San Martín,
B. Raddatz,
M. Wolter,
A. Villegas,
C. Canobra,
M. Hausdorf,
R. Silva
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Journal of Parasitology
Vol. 96 • No. 3
June 2010
Vol. 96 • No. 3
June 2010