What is age of your puppy? Does she is showing some signs of illness? Dogs usually don't eat when they are ill. If your puppy has not eaten since last 24 hours then underlying cause is suspected. Following are some common conditions when dogs stop eating.
- Depression
- Anxiety
- Pain
- All diseases of digestive tract
- Kidney and liver diseases
- Skin diseases
- Eye diseases
- Mouth diseases
- Blood diseases
- Nose and throat diseases
- Autoimmune diseases