By Ariane Sohrabi-Shiraz There are many things you have to take into consideration before becoming a dog-owner, including which breeds will suit you – and one dog owner has warned people against picking one of these three. Which dog breed you pick will depend on many different things – do you want one that’s a good family dog? Do you have time to walk the dog as much as it needs to? Is your home big enough? There are over 200 recognised dog breeds in the UK, so there’s something for everyone. But according to one dog trainer, there are three breeds he would never recommend for first-time owner…