Same as Alzheimer's disease in humans, dogs have no obvious signs of Alzheimer's disease at the beginning. The following items are all early signs of Alzheimer's disease. In old age, similar problems occur again, and special attention should be paid.

1. Always sleep during the day, but not only do not like to sleep at night, but also often bark;

2. No The reason, but always keeps turning in circles;

3. When the host is not at home, the room is messed up; Will be entangled;

5. Violating the established excretion habit, defecate anywhere;

6. Abnormal diet, eat a lot but still very thin;

8. The dog, who was originally well behaved, suddenly attacked people;

9. Likes to hide In a small place, but often stuck and unable to turn around;

10. The action lacks vitality, even if the owner pulls, he is reluctant to run;

11. Walking is not bumping into furniture , is to encounter other things;

12. Suddenly wake up in the middle of the night and start barking in a monotonous voice;

13. Vision and hearing decline at the same time, only the sense of smell is suddenly abnormally sensitive;

14. Can't complete the master's order, forget what the master has just taught;

15. Always feel unhappy, even when encountering things that you like, it's hard to be happy.

If the dog is over 10 years old and has more than 5 kinds of phenomena at the same time, it can be regarded as the primary stage of Alzheimer's disease. Dementia is more common in dogs starting at age 13, and by age 15, most dogs develop symptoms of dementia.