| lamanema chavezi (nematoda: molineidae): epidemiological data of the infection in south american camelids of northwest argentina. | faecal samples from llamas (n=708), vicuñas (n=171) and guanacos (n=4) were obtained between december 2004 and may 2009 in three provinces of northwest argentina (jujuy, salta and catamarca) to know the distribution, prevalence and intensity of lamanema chavezi infection in these south american camelid species (sacs). faeces were examined by a sedimentation-flotation technique using a cl(2)zn+clna solution (specific gravity=1.59). eggs of l. chavezi occurred in 30.3% of 89 llama herds and in 18. ... | 2009 | 19819627 |