We have only seen issues with worms in our dogs when they are puppies, which is quite common at a young age.
When we do see issues, the following protocol constitutes our natural ways to de-worm a dog.
Use food grade, not pool grade.
For small dogs, 1 teaspoon per day and for dogs over 55 lbs, up to a tablespoon per day. Mix well into food as inhaling DE can irritate the lungs.
Black Seed Oil
Use 1/4 teaspoon per day for small dogs and 1/2 teaspoon per day for larger dogs. Mix with food. Be sure to purchase organic and high quality oil. If using the actual seed, double the dose, grind and mix with food.
We use black seed oil regularly in our dog's diet, usually a few days per week, as it is very healthy for them.
User 1 teaspoon per 10 pounds of body weight per day. Grind and mix with food.
We rotate 3 days on for each item above, for a 9-day protocol. For us, this protocol constitutes our natural ways to de-worm a dog.