I am updating my article on the usefulness of the SDMA kidney test.
If your vet  has followed SDMA levels in your pet, perhaps you would 
share those values with me. RSH email

These are adult Deer Ticks, Ixodes scapularis , the common carriers of Lyme Disease

in the Northeastern United States. The one to the left is a male.

The one to the right is a female.

The juvenile (young) ticks are smaller and less colorful.

Once they have been on your dog for a time, they swell up with blood

and look quite different - like this