Parascaris equorum

Parascaris equorum is a species of ascarid that is commonly known as the equine roundworm. It is a type of parasite that primarily affects equines, including horses, donkeys, and zebras.

Life Cycle

The life cycle of Parascaris equorum begins when eggs are passed in the feces of an infected host. These eggs can survive in the environment for several years. When a susceptible host ingests the eggs, they hatch in the small intestine and release larvae. The larvae then migrate through the liver and lungs before returning to the small intestine, where they mature into adult worms. The entire life cycle takes approximately three months.

Clinical Signs

Infestation with Parascaris equorum can cause a variety of clinical signs in equines. These may include poor growth, weight loss, and a dull coat. In severe cases, the worms can cause intestinal blockage, leading to colic and potentially death.

Diagnosis and Treatment

Diagnosis of Parascaris equorum infestation is typically made by identifying the characteristic eggs in a fecal sample. Treatment involves the use of anthelmintic drugs, such as ivermectin or fenbendazole. Regular deworming is recommended to prevent infestation.

Prevention

Prevention of Parascaris equorum infestation involves regular deworming and good hygiene practices, such as removing feces from pastures and stables regularly.

See Also

• Ascaridida
• Equidae
• Anthelmintic

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