1  Irish bTB eradication programme timeline

1.1 Recent timeline plot

Although the focus in the paper is on data from 2008-2024, here we go slightly further back to help understand important changes to the programme that happened in earlier years. Note, this is not an exhaustive list, but we believe it covers the majority of events and changes to policy that may have impacted bTB burden either directly or indirectly.

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Figure 1.1: Timeline of major events during the eradication programme.

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1.2 Historic timeline plot (1988-2005)

The following image has been extracted from More SJ & Good M 2006 with permission.

Figure 1.2: A timeline highlighting advances, in Ireland since 1988, in scientific knowledge of the epidemiology of bovine tuberculosis and policy relating to bovine control and eradication (ref)

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1.3 Spatial location and timeline of badger trials (after 2005)

The plot below does not include two badger trials that occurred much earlier:

  • East Offaly project (1988–1995)

Ó Máirtín D, Williams DH, Griffin JM, Dolan L, Eves JA. The effect of a badger removal programme on the incidence of tuberculosis in an Irish cattle population. Preventive Veterinary Medicine. 1998;34:47–56. doi: 10.1016/s0167-5877(97)00067-6 The effect of a badger removal programme on the incidence of tuberculosis in an Irish cattle population https://www.sciencedirect.com/science/article/pii/S0167587797000676 1998

Eves JA. Impact of badger removal on bovine tuberculosis in east County Offaly. Irish Veterinary Journal. 1999;52:199–203

  • Four area badger culling trial (1997 - 2002) (also known as reference area trial)

The impact of badger removal on the control of tuberculosis in cattle herds in Ireland. Griffin, J.M.,illiams,.H., Kelly, G.E.,legg,T.., O’Boyle, I.,ollins, J.. and More,.J. (2005). Preventive Veterinary Medicine 67: 237-266 https://pubmed.ncbi.nlm.nih.gov/15748755/

Tuberculosis in cattle: the results of the four-area project Griffin et al. 2005 https://pmc.ncbi.nlm.nih.gov/articles/PMC3113914/pdf/2046-0481-58-11-629.pdf

Figure 1.3: A timeline and location of badger studies within Ireland (after 2005)

Publications relating to these study interventions:

  • Kilkenny badger vaccine field trial (2009 -2013)

Trial design to estimate the effect of vaccination on tuberculosis incidence in badgers. Aznar I, McGrath G, Murphy D, Corner LA, Gormley E, Frankena K, More SJ, Martin W, O’Keeffe J, De Jong MC. Vet Microbiol. 2011;151(1–2):104–11. https://doi.org/10.1016/j.vetmic.2011.02.032. Epub 2011 Feb 24. PMID: 21450420.

Oral vaccination of free-living badgers (Meles meles) with Bacille Calmette Guerin (BCG) vaccine confers protection against tuberculosis. Gormley, E., Ni Bhuachalla, D., O’Keeffe, J., Murphy, D., Aldwell, F. E., Fitzsimons, T., Stanley, P., Tratalos, J. A., McGrath, G., Fogarty, N., Kenny, K., More, S. J., McV Messam, L. L., & Corner, L. A. L. (2017). PLoS ONE, 12(1), e0168851. https://doi.org/10.1371/journal.pone.0168851

Quantification of Mycobacterium bovis transmission in a badger vaccine field trial. Prev Vet Med. 2018;149:29–37. Aznar I, Frankena K, More SJ, O’Keeffe J, McGrath G, de Jong MCM. https://doi.org/10.1016/j.prevetmed.2017.10.010. (Epub 2017 Oct 24. PMID: 29290298).

Protective immunity against tuberculosis in a free-living badger population vaccinated orally with Mycobacterium bovis Bacille Calmette-Guérin Eamonn Gormley 1, Deirdre Ní Bhuachalla 1 2, Tara Fitzsimons 1, James O’Keeffe 2, Guy McGrath 3, Jamie M Madden 3, Naomi Fogarty 4, Kevin Kenny 4, Locksley L McV Messam 1, Denise Murphy 1 2, Leigh A L Corner 1 Transbound Emerg Dis. 2022 Jul;69(4):e10-e19. doi: 10.1111/tbed.14254. Epub 2021 Aug 13. https://pubmed.ncbi.nlm.nih.gov/34331741/

  • Non-inferiority trial (2011-2017)

Is moving from targeted culling to BCG-vaccination of badgers (Meles meles) associated with an unacceptable increased incidence of cattle herd tuberculosis in the Republic of Ireland? A practical non-inferiority wildlife intervention study in the Republic of Ireland (2011–2017). Martin SW, O’Keeffe J, Byrne AW, Rosen LE, White PW, McGrath G. Prev Vet Med. 2020;179: 105004. https://doi.org/10.1016/j.prevetmed.2020.105004. (Epub 2020 Apr 14. PMID: 32361147).

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1.4 WOAH (World Organisation for Animal Health, founded as OIE), Manual of Diagnostic Tests and Vaccines for Terrestrial Animals

For official legislation of bTB testing, see

Chapter 3.1.13 of the Manual of Diagnostic Tests and Vaccines for Terrestrial Animals, thirteenth edition 2024

https://www.woah.org/fileadmin/Home/eng/Health_standards/tahm/A_summry.htm

1.5 List of EU-Audit reports (Sante F reports) for Ireland

Note, also search for “milk” to find reports for Milk and milk products as well because bTB did feature in these.

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1.6 Irish bTB eradication trends/timeline references

1.6.1 Northern Ireland

Robinson PA. A history of bovine tuberculosis eradication policy in Northern Ireland. Epidemiol Infect. 2015 Nov;143(15):3182-95. doi: 10.1017/S0950268815000291. Epub 2015 Mar 17. PMID: 25778830; PMCID: PMC9150964. https://pubmed.ncbi.nlm.nih.gov/25778830/