None! unless they are a stray. If so, a rat, mouse, and possibly other rodents.
If not a stray, dog kibble. 🍖
Collies, rottweilers were used to herd cattle
There are a lot of great resources for information about rottweilers. Two reputable sources include the American Kennel Club and the Society for Prevention of Cruelty to Animals (SPCA).
It's eaten by animals
Rottweilers do not have any natural predators, but in some countries they do have dog on their menu; so it is possible that the odd rottweiler could be eaten by man.
prey
animals
eaten by a snake or other animals that are biger than it
Usually not. Eagles are top predators and very rarely eaten by other animals.
The Bible specifically mentions that certain animals, such as pigs, camels, and shellfish, are not to be eaten.
no there harmless to animals if there eaten
prey
howler monkeys are not eaten by any animals