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Caseous lymphadenitis (CL) is a chronic infectious disease caused by Corynebacterium pseudotuberculosis ; it affects small ruminants and generates economic loss due to a reduction in weight, reproductive performance, milk and wool production forfeiture, and depreciation of skins. Given the socio-economic importance of goat production in the Falcon state (Venezuela), this research aimed to epidemiologically characterize the disease in herds in the Paraguana peninsula. The research is descriptive. Field work lasted six weeks, during which superficial lymph nodes were inspected, and 71 samples of purulent discharge were obtained from animals suspected to suffer from CL, according to their clinical manifestations. Back in the laboratory, specimens were bacteriologically analyzed; C. pseudotuberculosis isolates were compared with the reference strain ATCC 19410. The only risk factor detected for CL (p < 0.05) was the origin of goats by production units; those with the highest prevalence were located in the municipality of Falcon. Injuries in subscapular lymph nodes were the most frequent (p < 0.05) among the diagnosed animals. Penicillin, trimethoprim-sulfamethoxazole, and novobiocin-resistant strains were identified. These results are important to raise awareness among producers, given that this activity is of vital importance for the region and in many cases ignorance on the subject was evidenced.

Caracterización epidemiológica de la linfadenitis caseosa en rebaños caprinos de la península de Paraguaná, Venezuela