| the prevalence and abundance of helminth parasites in stray dogs from the city of queretaro in central mexico. | the prevalence of helminth species in stray dogs, from the capital city of the state of queretaro, was evaluated. a total of 378 dogs were captured and examined for the presence of helminths from january to december 2008. the results showed that 275 (72.8%) of examined dogs were infected with one or more helminth species. single infections were observed in 139 (50.5%) of infected dogs and 136 (49.5%) harboured mixed infections. out of the 378 dogs examined, 208 (55.2%) presented nematodes and 18 ... | 2010 | 20849669 |