Some of this may be beneficial, especially if it deters people from taking dogs on short holidays, thus risking harm to them and other by importing parasites and diseases. It may also slow the illegal import of dogs, especially feral dogs, that should be imported using the Balai directive – or not imported at all. If fewer dogs are taken from the streets to supply owners in the UK, perhaps there will be more incentive to prevent overbreeding and dumping in their home countries and to improve the conditions under which they live as feral dogs.
No doubt people will still wish to travel with companion animals and, of course, people need to travel with assistance dogs and the aggressive stance on Brexit taken by the incumbent government has now revealed an unexpected angle: it is much harder to cross EU borders with animal feed and amounts are severely limited.
No more than 2 kg of a prescription diet may be imported and then only if it is intended for the animal accompanying the passenger, does not require refrigeration, is a packaged proprietary brand products for direct sale to the consumer and that the packaging is unbroken unless in current use.
Even if travellers use a well-known brand, it may not be readily available in the destination country and changing to a local production addition to the stresses of travelling may cause gastrointestinal upset. Not good for the dog and not much fun for a holiday either.
It remains to be sen how this will pan out, but it is likely that, as travel opens up, a fair few people will get caught at the border and left without food.