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1 December 2000 Occurrence of Sanguinicola occidentalis in Perca flavescens and Campeloma decisum From a Michigan Creek
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Abstract

Sanguinicola occidentalis (Trematoda: Sanguinicolidae) infected 58 (48%) of 120 yellow perch collected in 1997 and 40 (50%) of 80 yellow perch collected in 1998 from Silver Creek in lower Michigan. The mean intensity and mean abundance of this blood fluke were higher in 1998 than in 1997. The fluke was found in the bulbous arteriosus of the perch heart, free in the petri dishes when the gill filaments were teased apart, and in the body cavity washings, and 1 individual was associated with an eye. Of the 269 S. occidentalis examined from perch, none had eggs. Most perch examined and infected were only 1 yr in age. Spearman's correlation coefficients between S. occidentalis intensity and host length in 1997 and 1998 were not significant. An additional 25 yellow perch (0 yr in age) collected in 1998 were not infected. Thirty-seven (33%) of 113 snails (Campeloma decisum) examined in July and August 1999 from Silver Creek were infected with S. occidentalis.

Patrick M. Muzzall "Occurrence of Sanguinicola occidentalis in Perca flavescens and Campeloma decisum From a Michigan Creek," Journal of Parasitology 86(6), 1360-1362, (1 December 2000). https://doi.org/10.1645/0022-3395(2000)086[1360:OOSOVC]2.0.CO;2
Published: 1 December 2000
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