Prevalence and risk factors associated with downer cow syndrome at smallholders dairy farms in Middle Egypt

Abstract

This study was conducted to determine the prevalence and risk factors associated with downer cow syndrome (DCS) in Middle Egypt. Design: Case-control study Animals: A total of 1,300 cross breeding Holestein dairy cattle in 30 small scale farms were involved in the study during the period from September 2018 to August 2019. Procedures: Three hundred and twenty downers (24.6 %) were investigated and were subject to clinical examination. A questioner to farm owners was designed focusing on risk factors for occurrence of downers.