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Ríona Sayers

Research Officer - Herd Health

Research Interests

  • Epidemiology of infectious diseases in domestic livestock
  • Veterinary diagnostics – development and applications
  • Nanotechnology platforms and applications to veterinary medicine
  • Veterinary dentistry 
  • Species: dairy, beef, sheep, horses


2015: PhD University of Limerick; thesis relating to infectious disease in Irish dairy herds.
2011: Certificate in Equine Dentistry, Australian Equine Dental Practice.
2009: UCC Statistical Course; SAS
2007: MVB, Veterinary Medicine, University College Dublin.
2001: Diploma Project Management, Project Management Institute of Ireland.
1998: M.An.Sc., Prion Biology/Animal Science, University College Dublin.
1993: B.Sc. Biochemistry, University College Cork.


2011-present: Herd Health Research Officer, AGRIC, Teagasc, Moorepark, Co. Cork.
2012-present: Course Lecturer in Dairy Business Degree, Teagasc, Moorepark.
2010-present: Active member of BVD, IBR, Johnes AHI technical working groups.
2010 – 2011: CEO, Independent Milk Laboratories Ltd., Enfield, Co. Meath.
2008-2010: Herd Health Research Officer, AGRIC, Teagasc, Moorepark, Co. Cork.
2007-2008: Clinician in veterinary practice (Various)
2001-2006: Operations/Project Manager, Enfer Technology, Rosegreen, Co. Tipperary.
2000-2001: Quality Manager, Kerry Algae, Tralee, Co. Kerry
1999-2000: Project Manager, ACARD, Cahirsiveen Marina Project, Co. Kerry
1993-1999: Laboratory Manager, Enfer Scientific, M7 Business Park, Naas, Co.Kildare. 

Sayers, R.G.  (2017) Associations between exposure to bovine herpesvirus 1 (BoHV-1) and milk production, reproductive performance, and mortality in Irish dairy herds.  Journal of Dairy Science 100:1340–1352.

A. E. Kennedy, N. Byrne, A. B. Garcia, J. O’Mahony, R. G. Sayers, (2016).  Analysis of Johne’s disease ELISA status and associated performance parameters in Irish dairy cows. BMC Veterinary Research 12, 43.

Sayers, R.G., Sayers, G.P., Arkins, S., (2015).  Impact of administration of three inactivated Bovine Viral Diarrhoea (BVD) vaccines on bulk milk p80 (NS3) ELISA readings in commercial Irish dairy herds.  The Veterinary Journal 205, 56-61

A.E. Kennedy, A.T. Da Silva, N. Byrne, R. Govender, J. MacSharry, J. O’Mahony, R.G. Sayers. (2014).  The single intradermal cervical comparative test interferes with Johne’s disease ELISA diagnostics. Frontiers in Immunology 5, doi: 10.3389/fimmu.2014.00564.

Sayers, R.G., Good, M., Sayers, G.P., (2014).  A survey investigating biosecurity-related practices, opinions, and communication across dairy farm veterinarians and advisors in Ireland.  The Veterinary Journal 200, 261-269.

Yris Bloemhoff

Eugene O’Doherty

Clare Power