Gastrointestinal parasites of urban dogs in Perth, Western Australia

aetiology animal de compagnie animal domestique anthelminthique anthelmintics chien digestive system diseases disease prevalence dogs domestic animals drug therapy encuestas enfermedades del sistema digestivo epidemiologia epidemiologie epidemiology etiologia etiologie faeces feces gastrointestinal diseases giardia heces helminthe helminthose helminthoses helminths helmintiasis helmintos infecciones por protozoos maladie de l'appareil digestif parasite parasites perro pet animals protozoa protozoal infections protozoose riesgo risk risk factors risque surveys urban areas zonas urbanas zone urbaine zoonose zoonoses zoonosis