Toxin | Single or multi feed? | Advantages | Disadvantages | CSL required? | Antidote |
---|---|---|---|---|---|
Brodifacoum | Single | Useful for controlling low numbers of possums. | High risk of secondary poisoning. Builds up in the environment. Can build up in feral game meat and livestock with inappropriate use. | No | Yes |
Cholecalciferol | Multi | Low risk of secondary poisoning. Can be used on all densities. | Acute toxin, requires multiple feeds. Can be more expensive than other options. | No | No |
Feratox (encapsulated cyanide) | Single depending on possum numbers | Effective knockdown tool. | Acute, fast acting toxin. Builds up in the environment. | Yes | Yes |
Pindone | Multi | Can also be effective on rats. | First generation. Possums have to eat a significant amount to consume a lethal dose. Medium risk of secondary poisoning. | No | Yes |
Double Tap (diphacinone + cholecalciferol) | Single | Can be used on all densities of possums, and can be used to target rats. No pre-feeding required. | Relatively untested as new to market. | No |