Canine ascariasis

This disease is caused by Ascaris canis and Ascaris leonata parasitizing the small intestine and stomach of dogs. It is widely distributed in my country and mainly harms puppies between 1 and 3 months old, affecting growth and development. Severe infection can lead to death.
Canine roundworm (Toxocara canis) is light yellowish white in color, with three lips on the head and a narrow nuchal membrane on the side of the body. The characteristic of dog roundworm fishing is that there is a small stomach at the junction of the esophagus and the intestines. The male worm is 50-110 mm long, with a curved tail end; the female worm is 90-180 mm long, with a straight tail end. Lion roundworm (Toxocara leonata) color. The shape is similar to that of canine roundworms, but without a small stomach. Male worms are 35 to 70 mm long, and female worms are 30 to 100 mm long.

Key points of diagnosis

Clinical symptoms; Gradual weight loss and pale mucous membranes. Loss of appetite, vomiting, heterophilia, digestive disorders, first diarrhea and then constipation. Epileptic spasms are occasionally seen. Puppies have enlarged abdomens and delayed growth. When the infection is severe, roundworms are often excreted in the vomit and feces, and the diagnosis can be confirmed.
Laboratory examination: The saturated salt water flotation method or direct smear method can be used to check the eggs in the feces for diagnosis.

Preventive and control measures

Regular inspection and deworming: Puppies should be inspected once a month, and adult dogs should be inspected once a quarter. If a sick dog is found, deworm it immediately. Levamisole can be used, 10 mg per kilogram of body weight orally. Or use mebendazole, 10 mg per kilogram of body weight, twice a day for two days. Or use 5-10 mg of pyrantel (anti-insect compound) per kilogram of body weight, taken orally. Or use piperazine citrate (dispelling ascarid) 100 mg per kilogram of body weight, taken orally.
Do a good job in cleaning and hygiene: The environment, troughs, and food must be cleaned carefully, and feces should be removed in a timely manner and fermented.