Association of subclinical mastitis prevalence with sheep breeds in Greece

Natalia G.C. Vasileiou, Dimitris A. Gougoulis, Valentina Riggio, Katerina S. Ioannidi, Dimitris C. Chatzopoulos, Vasia S. Mavrogianni, Efthimia Petinaki, George C. Fthenakis

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Objective was to describe potential associations of subclinical mastitis with sheep breeds in Greece. A countrywide survey (2,198 ewes in 111 farms) was performed. Prevalence of subclinical mastitis was 0.260. Results did not indicate difference in prevalence of subclinical mastitis between farms with pure-bred and farms with cross-bred animals, nor difference in prevalence between farms with Greek pure-bred animals and farms with imported pure-bred animals. Results indicated that prevalence of subclinical mastitis was smaller in farms with Assaf-breed (0.100) and higher in farms with Frisarta-breed (0.625) (P<0.02). Prevalence of mastitis was smaller in farms with Greek traditional indigenous breeds (0.221) (P=0.007). In a model that included sheep breed and management system in farm, breed emerged of significance for prevalence of subclinical mastitis (P=0.003).
Original languageEnglish
Pages (from-to)317-320
JournalJournal of Dairy Research
Issue number3
Early online date21 Jun 2018
Publication statusPublished - Aug 2018


  • breed
  • management system
  • prevalence
  • subclinical mastitis
  • sheep


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