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  • Title: Parasitological and hematological aspects of co-infection with Angiostrongylus vasorum and Ancylostoma caninum in dogs.
    Author: Dracz RM, Mozzer LR, Fujiwara RT, Lima Wdos S.
    Journal: Vet Parasitol; 2014 Feb 24; 200(1-2):111-6. PubMed ID: 24373514.
    Abstract:
    Dogs are frequently infected by one or more species of endoparasites, which can lead to secondary infections that cause high morbidity and death. In this context, 2 nematode species are of veterinary importance: Angiostrongylus vasorum, which is a parasite of the pulmonary artery and right ventricle in domestic and wild canids, and Ancylostoma caninum, which is a parasite of the small intestine in felids and domestic and wild canids. We used 20 mongrel dogs that were divided into groups and infected as follows: Group A included 5 uninfected dogs, Group B included 5 dogs infected with A. vasorum, Group C included 5 dogs infected with A. caninum, and Group D included 5 dogs co-infected with A. vasorum and A. caninum. Parasitological and hematological monitoring were performed. The counts of larvae and eggs shed in the feces varied throughout the collection period. Moreover, negativation was not observed in any of the infected groups. The animals in Group C had macrocytic and hypochromic anemia, whereas the animals in Group D had macrocytic and normochromic anemia. Infected dogs also presented with eosinophilia and lymphocytosis. These data from coproparasitological techniques provide an improved assessment of disease severity and a more thorough understanding of parasitism in the host.
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