Ectoparaste fauna of rodents and scandents in differents in different ecological habitats and its potential zoonotic implications in Malaysia

Madinah, binti Adrus (2012) Ectoparaste fauna of rodents and scandents in differents in different ecological habitats and its potential zoonotic implications in Malaysia. Masters thesis, Universiti Malaysia Sarawak.

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Abstract

Field surveys of ectoparasites on Rodentia and Scandentia were conducted in 16 different locations in Malaysia from June 2008 to May 20 I O. The objectives of this study were to determine the taxonomic composition of ectoparasites on Rodentia and Scandentia, to determine the relationship between ecological diversity and the host-parasite in different types of ecological habitat in Malaysia and to examine whether the presence of ectoparasites (ticks) have any potential health risks of rickettsial disease to local communities living around the study area . A total of 142 small mammals comprising of four species of squirrels (Sciuridae), 12 species of rats (Muridae) and seven species of treeshrews (Tupaiidae) were captured and examined for ectoparasites. The hosts were derived from two orders, namely Rodentia (Sciuridae and Muridae) and Scandentia (Tupaiidae). The majority of these captures was predominated by the Muller's rat (Sundamys muelleri), followed by Brown spiny rat (Maxomys rajah) and Common treeshrew (Tupaia glis). Of these hosts, six groups of ectoparasites were recovered in this study, namely, ticks, mesostigmatid, listrophorid, chiggers, lice and itch mites. Two orders (Acarina and Anoplura) and seven families of ectoparasites were present in this study, namely, Ixodidae, Laelaptidae, Trombiculidae, Atopomelidae, Sarcoptidae, Hoplopleuridae and Polyplacidae. Twenty-three genera with 47 species of ectoparasites of Rodentia and Scandentia were recorded. The ectoparasites were sampled from all the seven types of habitats, namely, secondary forest, lowland dipterocarp forest, riverine forest, peat swamp, mixed dipterocarp forest, hill dipterocarp forest and limestone forest. Among the 16 localities, secondary forest recorded the highest number of host caught, ectoparasites collected and with high infestation while the limestone forest was found to have the highest number of host species and ectoparasite species compared to the other five habitats. Among the ectoparasites found, Dermacentor sp., Haemaphysalis sp., Ixodes sp., 1. granulatus, Laelaps nuttalli, Leptotrombidium sp., Leptotrombidium deliense, Sarcoptes scabiei, Polypax spinulosa and Hoplopleura dissicula are of known medical importance. Fifty individuals of ticks collected from the 16 locations of study sites (44 individuals) and museum collections (six individuals) were used for detection of Rickettsia species. The results of Polymerase Chain Reaction (PCR) detections were negative showing that there was no infection of ticks by Rickettsia species.

Item Type: Thesis (Masters)
Additional Information: Thesis (M.Sc.) -- Universiti Malaysia Sarawak, 2012.
Uncontrolled Keywords: ectoparasites, Rodentia, Scandentia, host, ecological habitat, Polymerase Chain Reaction (PCR), unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, Postgraduate, research, Universiti Malaysia Sarawak
Subjects: Q Science > QL Zoology
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Depositing User: Karen Kornalius
Date Deposited: 16 Jan 2017 02:42
Last Modified: 16 Jan 2017 02:42
URI: http://ir.unimas.my/id/eprint/14856

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