Choking Out Gophers With Poison-Free Rodenticide

Stock photo. By ktpayn (CC BY-NC-ND 2.0)

There’s a new way to control gophers on the prairies, and it doesn’t require you to properly dispose of carcasses or clean up shells.

It’s called RoCon and it’s a foaming rodenticide registered by Health Canada’s Pest Management Regulatory Agency for the control of Richardson’s ground squirrels and Norway rats.

“We have two…main active ingredients. One’s our patented foaming agent, and the other one is literally just food-grade mustard powder,” explains Evan Greenhough of RoCon Industries, in the video below, filmed at Farming Smarter Field Days. “And so how the product works — its mode of action — is that it causes the rodent to suffocate.”

Starting as a liquid concentrate (available as 4 x 4L jugs), RoCon mixes with water through application and is funneled into burrow entrances through a plastic cone. Once pumped through an aeration nozzle, the mixture turns to foam, which expands to fill the burrow. Rodents inside are forced to breath in the foam, and asphyxiate due to lack of oxygen. The mustard powder, Greenhough explains, helps to ensure good control in that it actually plugs up the alveoli in the lungs.

The product is not toxic, meaning it poses no risk to the general public, grazing livestock, or other non-target species. Within 24h, the foam disappears.

According to RoCon Industries’ website, when applied in accordance to label directions, the product sees greater than 95% control, and it’s immediate.

The concentrate is available in a case with four 4L jugs, which can treat roughly 160 holes.


RealAgriculture Agronomy Team

A team effort of RealAgriculture videographers and editorial staff to make sure that you have the latest in agronomy information for your farm.


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