Experts and vets warn behaviour of lockdown puppies is 'down to the owner' - with Jack Russells, Chihuahuas, chow chows and even cockapoos among most problematic
The Chihuahua, the Jack Russell Terrier and the Cockapoo are among the most popular pooches in the UK but have a history of lashing out - even at their owners.
Source: dailymail.co.uk