期刊
EPIDEMIOLOGY AND INFECTION
卷 145, 期 7, 页码 1339-1350出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S095026881700022X
关键词
Canine; diseases spread; global positioning system; predictors; REML mixed effect model
资金
- Wildlife and Exotic Disease Preparedness Program of the Australian Department of Agriculture
- Swiss National Science Foundation [PASMP3-142737]
In many regions of the world domestic dogs are free roaming and live in close relationship with humans. These free-roaming domestic dogs (FRDD) can cause public health problems such as dog bites and transmission of infectious diseases. To effectively control diseases transmitted by FRDD, knowledge on the dogs' behaviour is required. To identify predictors of home range (HR) size, we collected global positioning system data from 135 FRDD living in eight Aboriginal and Torres Strait Islander communities in Northern Australia. The core HR size ranged from 017 to 233 ha and the extended HR size from 086 to 4046 ha. Using a linear mixed effect model with a Restricted Maximum Likelihood approach, the dog's sex and reproductive status were identified as predictors of roaming. Non-castrated males had the largest HRs, followed by neutered females. Also, FRDDs were found to roam further during the pre- than the post-wet season. These findings have implications for infectious disease spread. Identification of risk groups for disease spread within a population allows for more targeted disease response and surveillance. Further investigation of predictors of roaming in other FRDD populations worldwide would increase the external validity of such studies.
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