Complex sentence: Although there are other adult dogs on the farm in the film, Bluebell is never mentioned, although one of the dogs, a smooth coated Border Collie, seen in the film could portray her character (even though the dog in the film is male).
Split into simpler sentences: Although there are other adult dogs on the farm in the film, Bluebell is never mentioned. One of the dogs, a smooth coated Border Collie, seen in the film could portray her character (even though the dog in the film is male).