“…The size of free-roaming dog population was estimated to be 3,976 individuals in 2014 (Cerda P., 2014, unpublished data). In a nearby locality, Cabrero, four helminth taxa were found to be parasitizing dogs, Toxocara canis, Trichuris vulpis, Ancylostomatidae and Taeniidae (Quilodrán-González et al, 2018). These four taxa are potentially zoonotic: T. canis is the etiological agent of the visceral, ocular and neurologic larva migrans, Ancylostomatidae species cause cutaneous larva migrans, Taeniidae species cause several diseases, with the cystic echinococcosis as the most detrimental and Trichuris vulpis causes an intestinal helminthiasis (Giudice et al, 2019;Mohd-Shaharuddin et al, 2019;Reyes et al, 2019;Rostami et al, 2019).…”