Journal article
Survival of Trichinella papuae muscle larvae in a pig carcass maintained under simulated natural conditions in Papua New Guinea
Journal of Helminthology, Vol.81(04), pp.429-432
2007
Abstract
In Papua New Guinea, Trichinella papuae, a non-encapsulated species, is circulating among wild and domestic pigs and saltwater crocodiles. Since an important phase of the life cycle of nematodes of the genus Trichinella is the time of survival of infective larvae in decaying muscle tissues of the hosts, the carcass of a pig, experimentally infected with larvae of T. papuae, was exposed to the environmental conditions of Papua New Guinea to establish how long these larvae would survive and remain infective to a new host. Larvae retained their infectivity in the pig carcass up to 9 days after slaughtering, during which time the temperature within the carcass reached 35.0°C on 2 days; the average relative humidity was 79.0%. A low number of larvae survived up to day 14 after the pig was killed, when the carcass temperature reached 38.0°C, but they lost their infectivity to laboratory mice. This result suggests that the larvae of T. papuae can survive in a tropical environment for a time, favouring their transmission to a new host in spite of the lack of a collagen capsule.
Details
- Title
- Survival of Trichinella papuae muscle larvae in a pig carcass maintained under simulated natural conditions in Papua New Guinea
- Authors/Creators
- I.L. Owen (Author/Creator) - National Veterinary Laboratory, National Agriculture Quarantine and Inspection Authority, Port Moresby, Papua New GuineaS.A. Reid (Author/Creator) - Murdoch University
- Publication Details
- Journal of Helminthology, Vol.81(04), pp.429-432
- Publisher
- Cambridge University Press
- Identifiers
- 991005544507607891
- Copyright
- © 2007 Cambridge University Press
- Murdoch Affiliation
- School of Veterinary and Biomedical Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- International collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.163 Parasitology - General
- 1.163.2363 Trichinella Spiralis
- Web Of Science research areas
- Parasitology
- Zoology
- ESI research areas
- Plant & Animal Science