Are major roads effective barriers for badger (Meles meles) movements?

Research in Veterinary Science
M J H O'HaganF D Menzies

Abstract

As part of a bovine tuberculosis (bTB) control related Test and Vaccinate or Remove (TVR) badger research study in Northern Ireland, a project was launched evaluating whether badgers cross major roads (in this case the A1 dual carriageway linking Belfast/Newry/Dublin). This road formed the western boundary of the TVR study area and it was chosen to discourage badger movements in and out of the area. This was important in order to ensure that the badger study population was as stable as possible and also to get a better understanding of the risk of any spill over of bTB infection from the study area to the buffer area. Five badgers trapped close to the A1 were fitted with a Global Positioning System (GPS) collar in October 2017, which were set to record the badger location every 20 min between 19.20 and 03.00 h during a maximum of 84 days. Based on 4313 location points recorded, only 2 (0.05%) location points were located on the western side of the A1. Although this was a small sample, it can be concluded that generally badgers avoid crossing dual carriageways which is supported by evidence from other studies. This finding is important for informing on development of future badger intervention areas where major roads could be co...Continue Reading

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