A multi-year survey of helminths from the gastrointestinal tract of wild saddleback (Leontocebus weddelli) and emperor (Saguinus imperator) tamarins

BioRxiv : the Preprint Server for Biology
Gideon A ErkenswickPatricia G Parker

Abstract

Noninvasive monitoring of gastrointestinal parasites from wild primates demonstrates that parasite-host relationships are altered during habitat or climatic disturbances. Interpreting changes in parasite measures for population health monitoring is problematic, since wild primates are infected with multiple parasites that fluctuate temporally and seasonally. Individual parasite infection data from two wild populations of New World primates, the saddleback ( Leontocebus weddelli ) and emperor ( Saguinus imperator ) tamarin, were collected over three years to: 1) establish baseline levels of parasite species richness (PSR) and variation across demography; 2) test for non-random associations of parasite co-occurrence; and 3) test hypothesized relationships between group size and PSR. Ten distinguishable parasite taxa were identified from 288 fecal samples by light microscopy following centrifugation and ethyl-acetate sedimentation. These samples represented 105 unique individuals (71 saddleback and 34 emperor tamarins), across 13 saddleback and seven emperor groups. Of the parasites identified in this study, none were confirmed as host specific, and only two parasites had statistically different prevalence between the host species...Continue Reading

Related Concepts

Centrifugation
Parasites
Parasitic Diseases
Primates
Ethyl acetate
Coinfection
Saguinus imperator
Wild bird
Light Microscopy
Size

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