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Hi Clanad thanks for your advice, I am in Southern Spain, our dog is a Mastif Alsation x aged 7 we had her from a rescue home when she was 2 so we don't know what happened to her before we had her, except that she was found wandering pregnant in a very bad state, the vet aborted the puppies and spayed her, we had her straight after the operation with the stiches still in,
then 2 years later she had her spleen removed, and now she has blood in her urine, we had tests and a scan which revealed stones in one kidney, the vet said they don't normally operate on dogs for stones, but she has always had this same temperament, even before all this, we have changed her diet to chicken rice & veg with other variations but she still has one meal a day of special diet biscuits for renal problems low in protien, and the blood has stopped.
When she walks she does a lot of sniffing but never leaves her sent, and only a very priveliged few dogs ever get to smell her anal regions. The water is normal for her about 4/5 litres a day. When she is sleeping she licks the tiles or rug or her bed wherever she is, I just thought perhaps she was lacking some vitamin.