Dogs that are anorexic, refuse to eat or are picky about food need to be taken seriously. Because they will not appear like this for no reason, whether it is because of the food itself or the stress response of certain activities, the owner needs to find out the reason why the dog does not eat in time.

Causes of anorexia in dogs

Pathological anorexia

Enteritis type parvovirus:

Canine parvovirus gastroenteritis is commonly known as "intestinal inversion". It is caused by parvovirus parasitic in the mucosa of the dog's gastrointestinal tract. It divides and reproduces, causing damage to the gastrointestinal mucosa, causing enteritis with bleeding and infection of the small intestinal mucosa. In the early stage, there is listlessness and poor appetite; in the later stage, there is rapid dehydration and weight loss.

Initial stage: listlessness; poor appetite; mild vomiting, fever; soft stool, gray, yellow or milky white

Late stage: frequent vomiting; severe diarrhea, foul-smelling soy sauce-like or tomato juice-like bloody stool;

Canine Distemper:

Canine distemper is a highly contagious and fatal infectious disease caused by the canine distemper virus. After the dog is sick, it is characterized by an increase in body temperature, loss of appetite, diarrhea, and muscle twitching or paralysis in the middle and later stages.

Initial stage: body temperature as high as 39.5 to 41 degrees Celsius; loss of appetite and depression;

Late stage: neurological symptoms, brain damage, manifested as epilepsy, spinning in circles, and abnormal standing posture

Coronavirus:

Canine coronavirus infection is an acute gastrointestinal infectious disease. Puppies are most susceptible to infection, with an incidence rate of almost 100% and a fatality rate of 50%. The virus is transmitted to healthy dogs through direct and indirect contact through the respiratory tract and digestive tract.

Dogs may develop symptoms such as diarrhea and vomiting after becoming sick. This disease sometimes occurs alone, and is often mixed with canine parvovirus, which aggravates the course of the disease. Lack of energy, drowsiness, and loss of appetite occur in the early stages, followed by rapid dehydration and death in the later stages.

Initial stage: lack of energy, lethargy, decreased appetite, mostly no change in body temperature; weakness, thirst, and dry nose;

Middle stage: The feces is porridge-like or watery, red or dark brown, or yellow-green, with a foul odor, mixed with mucus or a small amount of blood.

Intestinal parasitic diseases:

Intestinal parasitic diseases are one of the diseases that are extremely common in daily dog ​​raising. Dogs accidentally ingest insect eggs exposed to the environment. These eggs will become parasitic in the dog’s stomach. Daily hygiene care is unscientific. All eating habits may cause dogs toThe occurrence of intestinal parasitic diseases. It will cause the dog to lose appetite, become malnourished, and lose weight.

Loss of appetite, malnutrition, weight loss;

Pale gums, bulging abdomen, vomiting or diarrhea, blood in the stool or mucus-like diarrhea, and sometimes intermittent abdominal pain;

Enteritis:

Enteritis is a common digestive tract disease in dogs. Dogs eat unclean, cold or rotten food, as well as irritating drugs or foreign bodies, which cause damage to the intestinal mucosa and inflammation of the deep tissue, which is called enteritis. The dog is depressed, has reduced appetite, and has indigestion.

Often lie on your stomach on the cold ground or do "praying posture" with your elbows and sternum supported on the ground;

Depression, decreased appetite, indigestion;

Canine infectious hepatitis:

Canine infectious hepatitis is an acute septicemic infectious disease in canines. It mainly occurs in puppies under 1 year old. The disease is mainly caused by digestive tract infection, and placental infection is also possible. Respiratory cases may be infected through the respiratory tract. The sick dog initially looks like an acute cold, with elevated body temperature, depression, and loss of appetite.

Cold-like symptoms: The sick dog initially looks like an acute cold, with elevated body temperature and depression

Gastrointestinal symptoms: vomiting, jam-like stool or bloody diarrhea;

Canine Salmonellosis:

Canine salmonellosis, also known as canine paratyphoid, is a zoonotic infectious disease. Characterized by enteritis and sepsis, it is divided into four types: most acute, acute, subacute, and chronic. The most acute cases are asymptomatic and cause sudden death.

In the early stage, there is depression, loss of appetite, and body temperature rising to 40-41 degrees Celsius; in the later stage, there is weight loss, weakness and dehydration, pale mucous membranes, poor capillary filling, and shock may occur.

Depression, loss of appetite, body temperature rising to 40-41 degrees Celsius;

Vomiting, abdominal pain and severe diarrhea, discharge of bloody and loose stools with mucous membranes, a foul smell, and severe dehydration

Esophageal obstruction:

Esophageal obstruction refers to a problem caused by food or other foreign objects blocking the esophagus. It is a situation that is more likely to occur in dogs' daily life.

When the esophagus is incompletely infarcted: the sick dog shows mild restlessness, vomiting and choking movements, slow food intake, refuses to eat large pieces of food (meat, bones), difficulty swallowing, and will show pain.

When complete infarction or obstruction by sharp foreign objects: the dog suddenly refuses to eat completely and is highlyRestlessness, head and neck straightening, excessive salivation, choking or vomiting, spitting out foamy mucus and blood, often scratching the neck with hind limbs, or coughing, or even suffocation.

In case of incomplete esophageal infarction: the sick dog shows mild restlessness, vomiting and choking movements, and slow food intake

When complete infarction or obstruction by sharp foreign objects: the dog suddenly refuses to eat completely and is highly uneasy

Pyometra:

Pyometra syndrome refers to the accumulation of large amounts of pus in the uterus accompanied by endometrial proliferative inflammation. Dogs suffer from severe bacterial infections, which trigger a series of physiological reactions. In severe cases, bacterial endotoxins can cause multiple organ failure and death. Initial fever, depression, decreased appetite, and reduced activity.

Initial stage: fever, depression, decreased appetite, decreased activity, lethargy, and sometimes vomiting.

The appetite gradually decreases, the amount of water consumed increases, and some dogs will occasionally discharge a small amount of purulent secretion from the vulva

Chronic renal failure:

Chronic renal failure is based on the occurrence of various chronic kidney diseases. Due to the gradual damage of nephrons, the slowly developing renal function decreases and leads to irreversible renal failure. Gastrointestinal symptoms include loss of appetite, nausea, vomiting, diarrhea, gastrointestinal ulcers, halitosis, uremic stomatitis, and constipation.

Systemic: polydipsia, dehydration, weight loss, malnutrition, lethargy;

Cardiopulmonary system: systemic arterial hypertension, anemia, heart murmur, cardiac hypertrophy

Acute pancreatitis:

Acute pancreatitis is an inflammatory reaction in which pancreatic enzymes are activated in the pancreas due to various causes, causing autodigestion, edema, hemorrhage and even necrosis of pancreatic tissue. Depression, loss of appetite, and occasional diarrhea (bloody).

Sudden onset of fever (around 40 degrees Celsius);

Severe and persistent vomiting, initially consisting of undigested food and mucus;

Pneumonia:

Dogs are prone to respiratory infections due to colds, stale air, poor ventilation, and lack of vitamins in the body. The infection invades the lungs and causes inflammation. The dog is in poor spirits, has reduced appetite or does not eat, has an elevated body temperature, has shortness of breath, has red eyes, sunken eyeballs, and is dehydrated.

Initial stage: runny nose, dry cough, difficulty breathing.

Middle stage: poor energy, reduced appetite or no eating, increased body temperature, shortness of breath, red eyes, sunken eyeballs, and dehydration.

Cold:

Cold is an acute systemic disease whose main symptom is inflammation of the upper respiratory tract mucosa. When the body's resistance is low and the defense function of the upper respiratory tract mucosa is reduced, the bacteria that are usually present in the respiratory tract multiply in large numbers, which can lead to the occurrence of this disease.

Clinically, it is characterized by runny nose, shortness of breath, and varying degrees of elevated body temperature. The dog is depressed, has a loss of appetite or has no appetite.

Depressed spirit, loss of appetite or loss of appetite, flushed conjunctiva, eyes blurred and watery.

Coughing, pus-like nasal mucus, accelerated breathing, elevated body temperature, chills and trembling, and accelerated heart rate

Anorexia caused by improper maintenance

Foreign body in stomach:

Foreign bodies in the stomach refer to foreign bodies swallowed by dogs and cats that remain in the stomach for a long time. They cannot be digested by gastric juice and are difficult to vomit or be excreted with feces. The foreign bodies cause long-term mechanical irritation to the gastric mucosa, causing gastritis and gastric digestive dysfunction. disease. May also be called gastric obstruction. The dog has a loss of appetite and vomits after eating.

Loss of appetite and vomiting after eating;

Depressed spirit, restless in pain, moaning, often changing the place and position of lying down.

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