| biodiversity and distribution of helminths and protozoa in naturally infected horses from the biosphere reserve la sierra madre de chiapas", méxico. | a cross sectional survey was performed to identify gastrointestinal helminths and protozoans in naturally infected horses from the biosphere reserve known as "la sierra madre de chiapas", mexico (el triunfo and la sepultura). during a three-year survey, fecal samples from 90 horses and parasites from 2 necropsied animals were collected. five families from the nematoda class: ascaridae, kathlanidae, oxyuridae, strongylidae and trichostrongylidae were found, whereas, only one family from the class ... | 2010 | 20307938 |