Here at Maultbys Animal Nutrition, we are first and foremost dog owners and enthusiasts. For over 35 years we have been training, working and breeding dogs of many breeds and types. Right from sheep dogs to terriers and lurchers through to all types of working gun dogs we have experience in all breeds of dog, and we fully recognise the importance of a solid nutritionally balanced diet to ensure any dog can perform at the highest level in its respective field. Working Dog Food UK.