Veterinary Science & Technology

Efrén Díaz-Aparicio

Publications

• Research Article
  Outbreak of Dermatophilus congolensis in Grazing Beef Cattle in Northeastern Mexico: First Report
  Author(s): Antonio Cantú Covarrubias, Carolina Segundo Zaragoza, Adrián Muñoz Bucio, Efrén Díaz-Aparicio and Roberto Arnulfo Cervantes OlivaresAntonio Cantú Covarrubias, Carolina Segundo Zaragoza, Adrián Muñoz Bucio, Efrén Díaz-Aparicio and Roberto Arnulfo Cervantes Olivares
  
  Dermatophilus congolensis is a bacterium that causes exudative dermatitis with scab formation in bovines. Humidity and ticks are predisposing factors. This study describes skin lesions in 27 bovines from a Simbrah herd of grazing livestock of 180 females (15%), aged 18 to 30 months old, in Aldama, Tamaulipas, Mexico. Lesions were distributed in the lower extremities, the belly and the neck and consisted of thick grayish to dark brown scabs with exudates and blood. Scabs were collected from four of the most severely affected animals, placed in sterile tubes and then transported in refrigeration to the laboratory. Samples were processed for isolate D. congolensis. The four samples revealed long branched filaments made up of coccoid cells arranged in parallel rows, one after the other, which is a characteristic of D. congolensis. In this outbreak, morbidity w.. Read More»
  DOI: 10.4172/2157-7579.1000222

  Abstract PDF