There is no definitive answer to this question as it will depend on the size and weight of the dog in question, as well as its individual metabolism. However, it is generally agreed that Slim Jims are not particularly good for dogs and so should be fed in moderation.
Slim Jims are high in fat and salt, which can be harmful to dogs if consumed in large quantities. They can also be a choking hazard due to their chewy texture. For these reasons, it is best to limit the amount of Slim Jims your dog consumes and instead opt for healthier snacks such as carrots or apples.