IDEXX has launched Pet Resist, a website for the veterinary profession that maps levels of antibiotic resistance recorded in cats and dogs by the company over the past five years.

The company said users of the site ( would be able to see geographical variations in resistance to the top 10 antibiotics used in cats and dogs.

Simon Wootton, IDEXX UK companion animal group marketing manager, said by knowing which organisms have shown resistance to antibiotics, and where this resistance has been recorded, vets will be better able to choose the most appropriate agent for therapy.

“The ability to select the most appropriate antibiotic prior to testing may increase the effectiveness of treatments and reduce the number of return visits,” he said.

“We believe this new service will also help prolong the effective life of existing antibiotics at a time when there is considerable pressure on the profession to reduce their use.”

Pet Resist shows levels of resistance overlaid on an interactive UK map down to individual postcode areas.

Visitors to the site can select their postcode area, the antibiotic (amoxicillin, ampicillin, cephalexin and so on) and the suspected organism (Escherichia coli, Staphylococcus aureus and so on).

Users will then be able to see the level of resistance based on historical data from the past five years and use this to help choose appropriate therapies.

Mr Wootton said: “We have used results of minimum inhibitory concentration tests on more than 200,000 samples submitted to IDEXX to develop the database upon which the resistance levels are based.

“The data will be continually updated as we receive more samples at our Wetherby laboratory, further increasing the accuracy and value of the service to vets and their clients.”

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