Skip to content

Article 32 Presentation

Open PDF in new window

What Are FGARs?
- Stands for “First Generation Anticoagulant Rodenticides”
- Includes warfarin, diaphacinone, and chlorophacinone.
- Interferes with Vit K production, interfering with blood-clotting.
- Rodents have developed a robust resistance to these poisons (while their predators
have not), which is why we have SGARs.
- Animals can be affected by firsthand/direct consumption of bait, or in the case of
predators, usually by secondary or tertiary exposure.
An Escalation: The Case of the Arlington Gray Fox
What About Controlling Rodents?
- ARs do not reduce rodents on the population level in any open ecosystem.
- Rodent numbers are actually climbing with the rise in use of ARs.
- Sanitation and exclusion are known to be most effective combined with rodent
contraception, deterrents, supplemental trapping (SMART boxes) and dry ice.
Photo of fox by Robert Martinez
Precedent
- California’s moratorium is on all ARs.
- State legislation seeks to ban both SGARs & FGARs in the state.
- Current legal petition requests ban on both FGARs & SGARs.
- Several municipalities in MA currently are voting on HR petitions
for both generations of ARs.
Widespread Support
- Arlington Conservation Commission
- Sustainable Arlington
- Friends of Spy Pond Park
- Mystic River Watershed Association
- MSPCA
- Select Board