1 During the recovery period of canine distemper, canine parvovirus disease, canine infectious hepatitis and other infectious diseases, the dog became emaciated.
Intestinal parasitic diseases: serious intestinal parasites (coccidia, tapeworms, hookworms, etc. ) parasitize and destroy intestinal mucosa, causing intestinal bleeding, loss of appetite and emaciation.
Oral diseases: such as alveolar abscess, periodontitis, oral ulcer, etc. It will cause dogs to eat less and lead to emaciation.
4 Malignant tumor diseases: Malignant tumors such as nose, mouth, eyes, liver and kidney can cause systemic symptoms, and sick dogs lose appetite and lose weight.
The common reasons for normal appetite, eating a lot and losing weight are as follows.
1 Malnutrition: insufficient food intake, too little feeding, long-term starvation of dogs, or lack of nutrition in feed, especially in protein, which often happens.
Intestinal parasites: Ascaris, hookworms, coccidia and Giardia can cause a lot of nutrient loss in dogs.
3 indigestion: due to enteritis or insufficient secretion of bile and pancreatic juice, nutrients cannot be digested and absorbed by dogs. This sick dog often has a lot of soft stools.
4. Chronic renal insufficiency: Dogs suffer from kidney disease, which causes a lot of urine loss in protein, or causes dehydration of dogs due to excessive salt intake.
Diabetes mellitus: The appearance of polydipsia, polyuria, polyphagia and urine sugar is the characteristic of this disease.
6 excessive exercise: poor environment and large area of eczema will lead to weight loss of dogs with normal appetite.