Prevalence of Cryptosporidium spp. in asymptomatic sheep in family flocks from Mexico State |
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| Authors: | Alonso-Fresán M U García-Alvarez A Salazar-García F Vázquez-Chagoyán J C Pescador-Salas N Saltijeral-Oaxaca J |
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| Institution: | Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Mexico. muaf@uaemex.mx |
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| Abstract: | To determine Cryptosporidium spp. prevalence in faeces from asymptomatic sheep, 37 family flocks in Mexico State were sampled. Data were collected by the interview method and Ziehl-Neelsen stain of faecal samples for Cryptosporidium identification. The independent group proportion hypothesis test was used for differences in prevalences between sheep farms. A 34.3% general prevalence was found, and prevalence in herds with >100 animals was significantly higher (40.6%). Correlation was found between flock size and Cryptosporidium spp. presence (odds ratio, OR, 2.57; confidence interval, IC(95%), 1.84-3.60). |
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