One could expect that it is much easier to work with dogs compared to wild animals.
On one hand it is true: they can be taught easily and can execute even complicated tasks for rewards or good words. On the contrary the selection of the suitable animal is a long process. Although a continuously expanding pool of “characters” are available for us wherein most kinds of dogs are represented, we still have the most difficulties with mutts. For film productions or commercial we are presented with a fixed idea: the producer or the director has clear expectations regarding the appearance of the suitable dog and the tasks it has to accomplish and these for sure are not always easy to meet for several reasons.
One of them is the insufficient knowledge of the different kinds on the client’s part: not all dogs are suitable for all tasks. But, even if the appearance of the dog is fine, its personal characteristics might not make him suitable for the given task. That is why it happens quite regularly – especially when the dog has to perform different character types in the given production – that we use more of the same looking (or same kind) of dogs each of them trained for a set of behaviour types: one of the is trained to be aggressive, while the other one is kind and gentle and licks the main character’s hand, etc.