How much is the dosage I need to give my dog?

OILS:The exact amount of drops needed for a dose can vary from one product to another, but generally consist of 2-4 drops taken 2-4 times daily.
You should also adjust the dosage given the size of your pet and depending on their condition as mentioned above.

CAPSULES: usually contain between 5-20mg of CBD each.
Again, the exact number of capsules needed for a dose vary from one product to another, but generally consist of roughly 1 tablet taken 1-2 times per day.

DOG TREATS: can contain varying concentrations of CBD, and should be given to your pet as per the package instructions.

source: https://cannabissupplementsforpets.com/cbd-oil-dosage-for-dogs-and-cats/