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Volume 24, Number 8—August 2018
Dispatch

Invasive Colonic Entamoebiasis in Wild Cane Toads, Australia

Cathy M. Shilton, Jan Šlapeta, Richard Shine, and Gregory P. BrownComments to Author 
Author affiliations: Northern Territory Department of Primary Industry and Resources, Darwin, Northern Territory, Australia (C.M. Shilton); University of Sydney, Sydney, New South Wales, Australia (J. Šlapeta, R. Shine, G.P. Brown)

Main Article

Table 1

Summary of morphologic, pathologic, and prevalence data from cane toads (Rhinella marina) sampled for amebiasis, tropical Australia*

Collection site, latitude, longitude Collection date (season) No. collected Body length, mm, mean ±SE Body mass, g, mean ±SE Body condition, mean ±SE† Illness score mean ±SE No. with invasive amebiasis Colonic lesion severity, mean ±SE‡ No. sequenced No. OTU_12 positive No. 
 Entamoeba ranarum positive
TERF, 12.579°S, 131.314°E
2014 Sep–Oct (dry) 22 89.2 (± 3.3) 70.4 (± 9.1) −0.07 (± 0.08) 2.2 (± 0.2) 21 2.0 (± 0.3) 5 5 0
2015 Feb (wet)
8
93.5 (± 5.2)
114.3 (± 24.4)
0.27 (± 0.07)
0.3 (± 0.2)
3
−0.4 (± 0.7)
8
7
2
Lagoon, 12.714°S, 131.419°E 2014 Nov (dry) 7 88.4 (± 7.7) 71.3 (± 21.9) −0.09 (± 0.08) 0.3 (± 0.3) 1 −1.4 (± 0.1) 5 5 3

*OTU, operational taxonomic unit; TERF, University of Sydney’Tropical Ecology Research Facility (New South Wales, Australia).
†Body condition scores are residuals calculated from regression of ln-transformed body mass on ln-transformed body length.
‡Colonic lesion severity is a conglomerate statistical measure (principal component) of 4 scores of lesion severity. Higher values indicate increased severity.

Main Article

Page created: July 18, 2018
Page updated: July 18, 2018
Page reviewed: July 18, 2018
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