Failure to feed the pet dog for a long time can lead to a series of physiological and behavioral abnormalities, which may be life-threatening in severe cases. The following are the results that may be observed： --- ### **1. Physiological performance** -**hypoglycemia (especially dangerous for puppies/small dogs)** Dogs may experience weakness, trembling, difficulty standing, or even coma, especially puppies or smaller dog breeds (such as Chihuahuas and poodles), which are more sensitive to energy deficiency. -**Sudden weight loss and muscle atrophy** Long-term starvation can cause fat and muscles to be broken down for energy, the body is significantly thin, the ribs and spine protrude, and the movement is weak. -**Dehydration and electrolyte imbalance** If water is cut off at the same time, the dog will show dry mouth, sunken eye sockets, and poor skin elasticity; electrolyte disorders may cause convulsions or arrhythmias. -**Digestive system problems** -**Vomiting**: If the fasting time is too long, the accumulation of gastric acid may cause vomiting (vomiting yellow bile-like liquid). -**Diarrhea or constipation**: Intestinal dysfunction, thin stools or inability to defecate may occur. -**Liver damage**: Long-term starvation may cause fatty liver (especially in obese dogs), manifested as jaundice and drowsiness. -**Decreased immunity** Malnutrition weakens the immune system, increases the risk of infection, and wounds heal slowly. --- ### **2. Behavioral changes** -**Restless or unusually quiet** In the early stage, you may be anxious due to hunger (such as frequent pacing and barking), and in the later stage, you may become unresponsive and lethargic due to weakness. -**Abnormal eating behavior** -**Biting on non-food items**: Trying to swallow foreign objects such as soil, paper towels, plastic, etc. -**Increased aggressiveness**: Increased food protection behavior, or attacking other animals or people for food. -**Loss of interest in activities** No longer willing to play or walk, it is even difficult to complete daily activities (such as going up and down stairs). --- ### **3. Long-term health risks** -**Organ failure** Long-term nutritional deficiencies can lead to heart, kidney and other multi-organ failure, especially in elderly dogs or dogs with chronic diseases. -**Irreversible injury or death** Puppies may die due to hypoglycemia within 24-48 hours; adult dogs may die due to organ damage or complications if they have not eaten for more than 3-5 days. --- ###**Precautions** -**Legal and ethical responsibilities**: Intentional long-term fasting may constitute animal cruelty and is subject to legal responsibility (different regions have different regulations). -**Special groups are at higher risk**: Pregnant/lactating bitches, puppies, elderly dogs, and sick dogs have extremely low tolerance. -**Seek medical attention in time**: If you find that your dog refuses to eat for more than 24 hours, or is accompanied by vomiting, diarrhea, and mental malaise, you need to contact your veterinarian immediately. --- ###**Recommended measures** -**Regular feeding**: Adult dogs generally need 1-2 meals a day, and puppies need 3-4 meals, which are adjusted according to the breed and health status. -**Provide clean drinking water**: Water cut-off is more dangerous than fasting, so you need to ensure that you can drink water at any time. -**Investigate the reasons for food refusal**: Diseases (such as toothache, gastroenteritis) and stress (such as environmental changes) may also cause loss of appetite, which needs to be dealt with in a targeted manner. If you are unable to afford dog food due to financial difficulties, it is recommended to contact a local animal protection organization for help instead of letting hunger go.