Sheep management and cryptosporidiosis in central Mexico |
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Authors: | M U Alonso-Fresán J C Vázquez-Chagoyán V Velázquez-Ordoñez N Pescador-Salas J Saltijeral-Oaxaca |
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Institution: | (1) Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km. 15.5 Carretera Toluca-Atlacomulco, Toluca, México, C.P. 50090;(2) Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, El Cerrillo, Piedras Blancas, Toluca, México, C.P. 50090;(3) Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México |
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Abstract: | To establish the association between sheep farm management practices and cryptosporidiosis in Central Mexico, 37 farms were
invited and questionnaires answered by owners. Faeces samples were taken from lambs under 3 months old and ewes in the farms.
Parasites were identified by modified Ziehl-Neelsen stain. Questionnaire included: general farm information, facilities characteristics,
facilities cleaning measures, water use and farm and animal management practices. Farms were grouped in a low (£3,37%), medium
(3.38-49.9%) and high basis (350%) according to prevalence. Associations (OR) were calculated according to positivity, compared by chi-square test. A general
prevalence of 34,33% was found. Five variables showed statistical significance (p<0.05). Associations found were: use of bed,
grazing place, and bottle cleaning. The only association found between management practices and cryptosporidiosis that could
represent a risk was the grazing place. This report is the first one in the country regarding predisposing conditions for
cryptosporidiosis. |
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Keywords: | Sheep management Cryptosporidiosis Associations |
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