8 year old dog lifeless, per vet, red blood cells are clotting together, gums are very white, dog stays inside, all shot uptodate, lives in a subdivision, not exposed to ticks,however, my sister does have her lawn sprayed with a chemical for weed control. The dog is an australian shepherd, she is at the emergency vet. clinic this morn.Vet said possible parasite in blood, how do animals in a protected environment contact this type of parasite, the dog lives in complete luxury.