Characterizing the growth of Sarcoptes scabiei infrapopulations

Experimental & Applied Acarology
Inmaculada CastroJesús M Pérez

Abstract

During the course of parasitic disease infestations, parasite population sizes change at both individual host (infrapopulation) and host population (metapopulation) levels. However, most studies only report epidemiological values for specific locations and times. In this study we analysed the dynamics of several Sarcoptes scabiei infrapopulations from experimentally infested Iberian ibex, Capra pyrenaica. We obtained mite counts by digesting small skin biopsies, which we compared with indices obtained from histopathological analyses performed on adjacent skin biopsies. We obtained the finite growth rate and the daily growth rate for the mite infrapopulations: mean ± SE = 11.53 ± 10.17 and 0.10 ± 0.08 mites/day, respectively. Mite counts derived from skin sample digestion did not correlate with the histological mite indices obtained from adjacent skin biopsies. At a metapopulational level, both indices of mite abundance were modelled using GLMMs and the factors influencing their variation are analysed and discussed. Our results suggest that mites are not distributed uniformly over the whole area of the skin lesion. Therefore, direct diagnoses of mange and mite counts could be inaccurate if only small skin samples are used.

References

Apr 1, 1989·Experimental & Applied Acarology·L G ArlianM J Pole
Feb 1, 1984·Annals of Tropical Medicine and Parasitology·M T Abu-SamraM A Aziz
Aug 1, 1984·Journal of the American Academy of Dermatology·L G ArlianS A Estes
Nov 26, 1999·Journal of Wildlife Diseases·L León-VizcaínoF Alonso
Dec 2, 1999·Neuroscience and Biobehavioral Reviews·J M KoolhaasH J Blokhuis
Sep 25, 2002·General and Comparative Endocrinology·L Michael Romero
Sep 11, 2004·The Journal of Parasitology·Peter N LalliLarry G Arlian
May 17, 2006·Trends in Ecology & Evolution·Jerald B Johnson, Kristian S Omland
Feb 3, 2009·Trends in Ecology & Evolution·Benjamin M BolkerJada-Simone S White
Jul 3, 2010·Preventive Veterinary Medicine·F Rodríguez-CadenasF A Rojo-Vázquez
Jan 10, 2013·General and Comparative Endocrinology·John F Cockrem
Jan 1, 2009·Language Learning and Development : the Official Journal of the Society for Language Development·Daniel J WeissAaron D Mitchel
Aug 1, 2015·Parasitology Research·Arián Ráez-BravoJorge Ramón López-Olvera
Oct 23, 2015·PLoS Neglected Tropical Diseases·Larry G ArlianMarjorie S Morgan
Nov 12, 2015·Parasites & Vectors·Jorge R López-OlveraJosé E Granados
Nov 17, 2015·Parasites & Vectors·Samer Angelone-AlasaadLuca Rossi
Jun 3, 2016·Integrative and Comparative Biology·Robert M CoxFrances Bonier
Jun 22, 2017·Parasites & Vectors·Larry G Arlian, Marjorie S Morgan

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Citations

Nov 3, 2020·Journal of Insect Science·Hannah S TiffinErika T Machtinger

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Methods Mentioned

BETA
scraping
scrapings
ELISA
biopsies
biopsy

Software Mentioned

MASS
lattice
R

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