Where Milo and Otis Filmed?

Initially filmed as Koneko Monogatari (子猫物語 A Kitten's Story; alternative English title: The Adventures of Chatran) in Kitakyūshū, Japan, the film was completely revamped, trimmed and westernized with added narration by Dudley Moore. (Shigeru Tsuyuki narrated the Japanese version.)

How many animals died while filming Milo and Otis?

Over 20 kittens were killed during production, some of which were when the kittens had "lost their charm". ? A cat's paw was broken intentionally to make it look like it was walking unsteadily. There were other controversial scenes of animal abuse: i.e. when animals were put into dangerous situations in the movie.

Did any dogs die in the making of Milo and Otis?

While no animal dies ON SCREEN, the making of this movie had many deaths. The animals were abused behind scenes and several cats died during some more intense moments in the film. Also take note, that when the crab pinched the kitten towards the end, that wasn't fake.