Parasitos Gastrintestinais Em Vacas Leiteiras Presentes Em Exposições Agropecuárias Na Região Oeste De Santa Catarina, Brasil

The aim of this study was to evaluate the incidence of gastrointestinal parasites in dairy cattle participants of farm show in western Santa Catarina, in order to know the situation of the animals exposed in these events. In three fairs of great expression of the western region of the state of Santa Catarina, that occurred in the years 2013 and 2014, were collected 153 samples feces of animal exposed, which were analyzed by the McMaster technique to check the number of eggs per gram of feces (EPG). In the tests performed, was diagnosed 69 samples positive for parasites (45%), i.e., helminth eggs, coccidia oocysts, or mixed infections by helminthes (Strongylida order) and coccidia (Eimeria spp). Eggs Strongylidae family were identified as the parasites Trichostrongylus spp., Haemonchus spp., Teladorsagia spp., Cooperia spp., and Oesophagostomun spp. Therefore, cattle present in farm show, despite the required sanitary control and in some cases even with previous treatment, have infection gastrointestinal parasites.