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Hemoncose is a parasitic disease that affects ruminants and is present in most regions, especially the tropical climate. The occurrence of severe usually is associated with inadequate management fact that favors massive infestations. The disease cause profound anemia, lethargy and weight loss. This paper aims to report an outbreak of hemoncose in a farm producing beef cattle in Santa Isabel do Oeste, southwest region of Paraná. Four animals in the farm of a batch of 50, showed weight loss, listlessness, and submandibular edema, and one developed a more severe, which was euthanized to perform the autopsy. The animal was severely anemic, with pale mucous membranes and viscera and marked edema widespread . The abomasal mucosa was reddened and swollen, dark red contents and countless copies the parasite. The diagnosis was determined by observation of the lesions presented. [ABSTRACT FROM AUTHOR]

The present study aimed to evaluate the occurrence of eurytrematosis Southwest and West regions of Paraná. The work was divided into two stages: the first 29 autopsies were performed in dairy properties belonging to the family farm in Paraná, where they were collected and analyzed all of the pancreas, noting the presence of the parasitic structures at twenty-one animals. In the second stage were collected sixty-two pancreatic beef cattle coming from an abattoir in Western state. Of the pancreas collected thirty four were positive for the presence of the parasite. In both stages, the pancreas were ranked according to the degree of involvement of these. Thus, it was found that, despite the small number of samples, both dairy cattle as cutting show relatively high occurrence of the disease in both regions, classified as endemic. [ABSTRACT FROM AUTHOR]