Abstract
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.
Highlights
O agronegócio possui grande importância para a região oeste de Santa Catarina (SC), no qual as feiras agropecuárias tem se destacado, principalmente com o grande número de expositores das mais diversas áreas, e a quantidade de animais expostos
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)
Summary
O estudo foi aprovado pelo Comitê de Ética em Experimentação Animal (CETEA) com protocolo no 12314/2013 da Universidade do Estado de Santa Catarina (UDESC). As perguntas foram: qual frequência realiza controle anti-helmíntico na propriedade? Fez tratamento anti-helmíntico previamente para o animal participar da feira agropecuária?. Após consentimento verbal do expositor foi realizada a coleta de amostra de fezes de bovinos leiteiros adultos, das raças Jersey e Holandês, expostos em três feiras de relevante influência no oeste catarinense, realizadas entre outubro de 2013 a maio de 2014. Foram coletadas 153 amostras de fezes frescas provenientes de 77 propriedades da região oeste que estavam com animais expostos, atingindo 15 cidades da região (Figura 1). Também foi realizada cultura de larvas de amostras de fezes com OPG positivo, de acordo com a técnica descrita por Roberts; O u iv i identificar o gênero dos helmintos envolvidos nas infecções.
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