Effects of Gender, Sterilization, and Environment on the Spatial Distribution of Free-Roaming Dogs: An Intervention Study in an Urban Setting

Frontiers in Veterinary Science
Saulo Nascimento de MeloVinícius Silva Belo

Abstract

Information concerning the factors affecting the circulation and distribution of free-roaming dogs is crucial in developing control actions and limiting the spread of zoonoses. The present study analyzes the influence of gender, sterilization, and environment on the spatial distribution of free-roaming dogs in urban settings. Animals were captured/recaptured in seven consecutive morning sampling efforts conducted at 2-monthly intervals in control and intervention areas in a medium-size town in southeastern Brazil. Capture locations were georeferenced and captured animals were microchipped before being released at their original capture sites. Dogs captured in the intervention area were subjected additionally to surgical sterilization prior to release. Home range (HR) areas were calculated by applying the minimum convex polygon method to dogs that had been captured at least three times. Land coverage zones were determined from satellite images and overlaid on maps of the study areas along with the locations of 22 commercial food outlets. HR areas showed a global mean of 448 m2 and a median of 28 m2, values that were smaller than those reported previously for dogs in rural regions. The median HR of females (64.m2) was higher than...Continue Reading

References

Jun 14, 1997·The Veterinary Record·R J MaarschalkerweerdB W Knol
Jan 1, 2013·Preventive Veterinary Medicine·Ricardo Augusto DiasMark Stevenson
Apr 9, 2013·Veterinary Parasitology·Vinícius Silva BeloEduardo Sérgio da Silva
Jun 20, 2013·BMC Veterinary Research·Martin J DownesMarnie L Brennan
Jan 26, 2016·Scientific Reports·Manabi PaulAnindita Bhadra
Nov 5, 2015·Veterinary Medicine·Louise H Taylor, Louis H Nel
Apr 3, 2019·Preventive Veterinary Medicine·Cheng-Heng HuShih-Ching Yen
Feb 15, 2020·Research in Veterinary Science·Oswaldo Santos BaqueroStefanie Sussai

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Software Mentioned

ArcGIS
Excel
QGIS
Home Range Tools
R

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