Damien Barrett

ORCID: 0000-0003-2363-3225
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About
Contact & Profiles
Research Areas
  • Animal Disease Management and Epidemiology
  • Vector-Borne Animal Diseases
  • Mycobacterium research and diagnosis
  • Viral Infections and Vectors
  • Zoonotic diseases and public health
  • Agriculture and Farm Safety
  • Viral gastroenteritis research and epidemiology
  • Microbial infections and disease research
  • Animal Behavior and Welfare Studies
  • Tuberculosis Research and Epidemiology
  • Milk Quality and Mastitis in Dairy Cows
  • Animal health and immunology
  • Helminth infection and control
  • Wildlife Ecology and Conservation
  • Genetic and phenotypic traits in livestock
  • Animal Virus Infections Studies
  • Herpesvirus Infections and Treatments
  • Parasite Biology and Host Interactions
  • Infectious Diseases and Mycology
  • Plant and fungal interactions
  • Agriculture Sustainability and Environmental Impact
  • COVID-19 epidemiological studies
  • Coccidia and coccidiosis research
  • Effects of Environmental Stressors on Livestock
  • Global trade, sustainability, and social impact

Department of Agriculture Food and the Marine
2018-2025

Government of Ireland
2020-2025

University College Dublin
2005-2022

Society for Endocrinology
2021-2022

Sligo University Hospital
2006-2019

There are limited data available, in Ireland or elsewhere, to determine the extent of exposure various endemic diseases among beef cows and factors associated with causative pathogens. The objectives this study were herd within prevalence Bovine Viral Diarrhoea Virus (BVDV), Herpes 1 (BHV-1), Leptospirosis Neosporosis a large scale commercial herds on island Ireland, examine level these pathogens herds. average number tested per was 35.5 (median 30). Herd seroprevalence Herpesvirus-1(BHV-1),...

10.1186/s12917-017-1324-9 article EN cc-by BMC Veterinary Research 2018-01-06

Abstract Surveillance of endemic pathogens is essential for disease control, providing an evidence base policy and advice. Bovine Herpes Virus Type 1 (BoHV-1), the causative agent Infectious Rhinotracheitis (IBR), has been found to have high seroprevalence within Irish cattle population. The aim present study was establish levels culled in Ireland aged < 30 months whether BVD exposure other factors associated with BoHV-1 exposure. We employed random effects logit models coupled repeated...

10.1038/s41598-023-50433-5 article EN cc-by Scientific Reports 2024-01-09

Animal Health Ireland has produced clear guidelines for the control of Bovine Viral Diarrhoea (BVD) infection in Irish cattle herds. In course developing these it was that a framework regional and/or national BVD would be required to increase uptake at farm level and reduce overall prevalence disease. This paper assessed economic impact BVD, epidemiological aspects disease its control, models international experiences programmes. The technical knowledge test technology exists eradicate BVD....

10.1186/2046-0481-64-12 article EN cc-by Irish Veterinary Journal 2011-10-03

Calf output is a key element in determining the profitability of suckler beef enterprise. Infectious agents such as Bovine Virus Diarrhoea (BVD) virus, colostrum management and parasitic challenge can all affect calf output. Prior to national BVD eradication programme, there was little published information on either prevalence or effect Irish herds. There practices commercial herds have also been few studies liver fluke rumen infection Sixteen farms participating Teagasc/Farmers Journal...

10.1186/s13620-014-0029-7 article EN cc-by Irish Veterinary Journal 2015-01-15

Background: Biting midges in the genus Culicoides (Diptera: Ceratopogonidae) act as vectors for several arboviruses, including Bluetongue virus (BTV) and Schmallenberg (SBV), which affect livestock health productivity. In Ireland, limited genetic data are available regarding diversity of species. This study represents first attempt to characterise this region using molecular techniques. Methods: Adult samples were captured Onderstepoort Veterinary Institute (OVI) traps across six locations...

10.1101/2025.01.08.631704 preprint EN cc-by-nd bioRxiv (Cold Spring Harbor Laboratory) 2025-01-08

Abstract Background Biting midges of the genus Culicoides (Diptera: Ceratopogonidae) act as vectors for several arboviruses, including bluetongue virus (BTV) and Schmallenberg (SBV), which affect livestock health productivity. In Ireland, limited genetic data are available regarding diversity species. This study represents first attempt to characterise in this region using molecular techniques. Methods Adult samples were captured Onderstepoort Veterinary Institute (OVI) traps across six...

10.1186/s13071-025-06754-7 article EN cc-by Parasites & Vectors 2025-04-23

: Milk samples from 285 cows in 15 dairy herds were collected for bacteriological analysis. Cows selected on the basis of a somatic cell count (SCC) exceeding 200,000 cells per ml at three most recent milk recordings prior to sampling. Staphylococcus aureus and Streptococcus uberis predominant isolates accounting 21% (n = 61) 19% 53) isolates, respectively. was more frequently isolated split-calving than spring-calving this difference statistically significant (P < 0.005). Herds with...

10.1186/2046-0481-58-6-333 article EN cc-by Irish Veterinary Journal 2005-06-01

Schmallenberg virus (SBV) circulation was investigated in 25 previously exposed dairy herds Ireland 2016. A population of 1,550 spring-2014-born animals, which had been monitored for SBV infection 2014 and 2015 as part a previous surveillance study, were resampled evidence during total 366 blood samples collected the study (15 per herd) between 3 March 2017 10 (before vector-active season) analysed antibodies using competitive ELISA kit (IDVet). 256 animals tested seropositive, an AP 69.9%...

10.1111/tbed.12685 article EN Transboundary and Emerging Diseases 2017-08-01

Background: There has been very little previous research in Ireland on the farmers' opinions regarding calf welfare issues. Calf welfare, particularly for male dairy calves, assumed greater importance recent years due, part, to an increase number of cattle over past decade. The objective this study was explore views a broad range issues related expansion herd. Methods: A survey developed capture farmers calves. majority questions were quantitative, and final open-ended question collected...

10.3389/fvets.2021.635565 article EN cc-by Frontiers in Veterinary Science 2021-04-20

Mycoplasmosis (due to infection with Mycoplasma bovis) is a serious disease of beef and dairy cattle that can adversely impact health, welfare productivity (Maunsell et al. (2011)). lead range often severe, clinical presentations. bovis (M. present either clinically or subclinically, the potential for recrudescence shedding in association stressful periods. Infection be maintained within herds because intermittent (Calcutt al., 2018, Hazelton 2018). M. recognized as poorly responsive...

10.3168/jds.2023-24590 article EN cc-by Journal of Dairy Science 2024-06-01

Schmallenberg virus (SBV) emerged in northern-Europe 2011 resulting an epidemic of ruminant abortions and congenital malformations throughout the continent. In years following there have been reports SBV overwintering continued circulation several European countries. When population-level immunity declines exposed regions, re-introduction could result further outbreaks disease. The aims this study were to determine seroprevalence previously Irish dairy herds 2014 investigate if circulate...

10.1186/s12917-016-0865-7 article EN cc-by BMC Veterinary Research 2016-10-18

Schmallenberg virus (SBV) was first identified in November 2011. It is a novel Orthobunyavirus (family Bunyaviridae) whose main ill effect congenital malformation of the musculoskeletal and central nervous systems. borne by Culicoides spp., has spread extensively western Europe. The case SBV Ireland diagnosed October 2012. anticipated that once emerged there would be wide scale or nationwide over course 2013 vector season. objectives this study were to determine seroprevalence distribution...

10.1186/s12917-015-0564-9 article EN cc-by BMC Veterinary Research 2015-10-20

A national programme to eradicate bovine viral diarrhoea (BVD) has been in place Ireland since 2013. To inform decision making the end stages of eradication, and support development post-eradication surveillance strategies, an understanding risks infection a low prevalence system is required.A case-control study design was implemented. The population comprised herds that had calves born tested negative for BVD virus (BVDV) every year from 2013 2019 (n = 46,219 herds). We defined cases as...

10.1016/j.prevetmed.2022.105607 article EN cc-by Preventive Veterinary Medicine 2022-03-02

Mycoplasma bovis is a serious disease of cattle worldwide; mastitis, pneumonia, and arthritis are particularly important clinical presentations in dairy herds. was first identified Ireland 1994, the reporting Mycoplasma-associated has substantially increased over last 5 years. Despite presumed endemic nature M. Ireland, there paucity data on prevalence infection, effect this industry. The aim observational study to estimate apparent herd for Irish herds using routinely collected bulk milk...

10.3168/jds.2021-21334 article EN cc-by Journal of Dairy Science 2022-03-26

Bovith recene tuberculosis (bTB) continues to be a pathogen of concern in several countries globally. Analysis areas that have higher incidences bTB outbreaks has demonstrated how risk is not equally distributed, and local data collection, analysis participatory engagement required develop tailored approaches. The Burren, an internationally important heritage landscape, been area incidence for many years Ireland, owing its unique geology farming survey was developed engage with farmers gain...

10.3389/fvets.2022.791661 article EN cc-by Frontiers in Veterinary Science 2022-02-15
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