Atlas of livestock parasites
digitized collection of microscopical preparations

Atlas of Parasites Contents Information sources Glossary Administration

Trichuris vulpis (dog, cat)



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Nematode (order Enoplida)        

"whipworms"  In Czech: tenkohlavec liš?í            

Distribution: Worldwide.   

Host: Cecum and large intestine of dogs and wild canids. Trichuris felis infection has been reported rarely in cats in Latin America and Australia.      

Life Cycle: Dogs are infected by ingesting infective eggs in the environment. Eggs are produced by adult worms in the large bowel and, after leaving the host in the feces, develop to the infective stage in the environment.  Dogs by ingestion of embryonated eggs from the environment.  Pre-patent period is 8 weeks and patent period is up to 18 months.      

Diagnosis: Eggs are best detected by centrifugal fotation and less effectively by   simple flotation examination of feces. Eggs are typically symmetrical about the bipolar plugs, barrel shaped, and brown. The shell wall surface is smooth.  

Size: 72–90 × 32–40 µm               

Clinical features: Asymptomatic but heavy infection in dogs can cause weight loss, unthriftiness, and profuse diarrhea that may be bloody (anemia). Infection in humans occurs rarely.    



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