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Pastos y Forrajes
versión impresa ISSN 0864-0394
Resumen
ARECE, J. Parasite epizootiology in the parasite control in sheep. Pastos y Forrajes [online]. 2007, vol.30, suppl.5, pp. 1-1. ISSN 0864-0394.
Internal parasitism in sheep constitutes one of the most important limitations in the successful development of sheep production. The first step for achieving parasite control is related to the study of the epizootiology of the etiological agents, and among them the knowledge on the species that circulate in the herds. For performing this type of study, three sheep production units of Matanzas province were selected, which animals and management system are representative of the rest of the province. The animals were found to be infested in a sympatric way by two species of the Haemonchus genus (H. placei and H. contortus) which exceed 90% of the fecal count during the whole year. Also Trichostrongylus columbriformis and Oesophagostomum columbianum were found in lower amount. The highest infestation rates were present in the rainy season in the three units, which shows evident seasonality. The offspring were infested according to the management system implemented and the lambed ewes were the most susceptible ones in a group of ewes incorporated to reproduction. These elements are essential for the implementation of parasite control plans.
Palabras clave : Parasite control; epizootiology; Haemonchus; sheep.