The Introduction of Strongylus equinus

- Jun 05, 2018 -

The disease is a type of digestive tract nematode disease caused by parasites and colons of more than 40 species of nematodes from the Polygonaceae and wool families. This kind of nematode is very widely distributed. It can be said that every horse in the natural world has parasitic worms. The parasitic number of parasites can range from a few hundred to tens of thousands or even more than 100,000. Since all of these nematodes belong to the suborder Cyprinidae, the ancient order is called Nematodes. The disease is often the cause of poor growth of the young, while adult horses can cause chronic intestinal catarrh, reducing the ability to exercise.What is even more serious is that when larvae migrate, they often cause arteritis, thrombolytic spasm, aneurysm, pancreatitis, and peritonitis, which can lead to death, resulting in significant economic losses.


Pathogenic role of Strongylus equinus have the following two aspects:

1. Adults parasitize the cecum and colon, sucking blood in the intestinal mucosa with a strong bursa, causing anemia, catarrhal inflammation, trauma and ulceration in horses; while also secreting hemolytic toxins and anticoagulants, resulting in Anemia worsened.

2. The larvae form nodules on the intestinal wall, the number of which can affect the normal function of the intestine; common worm larvae are more harmful when they move, can cause tingling (usually called blood sialo), constipation, bowel twist and bowel Stack, rupture of the intestine. The larvae of A. botulinum migrated in the abdominal cavity and could form hemorrhagic nodules, causing abdominal pain and anemia. A large amount of pale yellow to red ascites appeared in the abdominal cavity. The larvae of the roundworm can cause damage to the liver and pancreas, form hemorrhagic tracts in the liver, and form fibrotic lesions on the pancreas.



1. Albendazole. Take orally, one dose, 5-10mg per 1kg body weight.

2. Fenbendazole. Oral, once volume, 5-7.5 mg per 1 kg body weight.

3. Oxfendazole. Take orally, one dose, 10 mg per 1 kg body weight.

4. Thiabendazole. Take orally, one dose, 50-100 mg per 1kg body weight.

5. Ivermectin. Oral administration, once volume, 0.2mg per 1kg body weight.




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