The lack of energy of dogs may be caused by not good feeling temperature and poor mood.
First of all, when the around temperature is too high, because the dog’s sweat glands are underdeveloped and the heat dissipation capacity is limited, there will be a situation of poor spirits. At this time, it is recommended that the dog parents provide the dog with sufficient drinking water.
Secondly, when the ambient temperature is too low, the dog will appear inactive and lethargic. It is recommended to keep the dog warm.
Furthermore, this situation will occur even if the dog is along, so it is recommended to play more with the dogs.
Finally, pay attention to whether it is a pre-disease symptom, and it is recommended to consult a vet.