Sheep Farming in Ireland: Breeds, Management, and Enterprise

Sheep farming in Ireland operates across a wide range of production systems, from extensive hill flocks to lowland grassland enterprises, with breed choice and management calendar shaped by regional conditions and market goals. This article covers the main breeds used in Irish sheep production, seasonal management practices, disease control priorities, and the options for adding value through agritourism. It also compares Irish systems with those in Scotland and provides practical guidance for farmers considering diversification into farm tours or visitor enterprises.

At a Glance

Structure of the Irish Sheep Sector

The Irish sheep industry is characterised by considerable diversity in farm size, intensity, and enterprise mix. Research characterising beef and sheep farming systems in Ireland identified six distinct farm types, including extensive sheep farms, medium-size sheep farms, and medium-size mixed farms, each with different structural, socio-economic, and environmental profiles [8]. This heterogeneity matters for policy design and for individual farm planning, because a management approach suited to a medium-size lowland flock may not transfer to an extensive hill enterprise.

Part-time farming has long been a feature of the sector, particularly in Northern Ireland where small-scale beef and sheep farms operate alongside off-farm employment [22]. This influences labour availability at critical times such as lambing and shearing, and it shapes the practical decisions farmers make about flock size, breed selection, and infrastructure investment.

The distribution of sheep enterprises across Ireland reflects both environmental conditions and historical patterns of land use. Upland areas in the west and northwest support extensive grazing systems, while the central lowland counties tend to support more intensive grassland production. These regional differences affect disease exposure, nutritional management, and the viability of different enterprise options.

Common Breeds and Their Roles

Lowland Terminal Sire Breeds

Suffolk, Texel, and Charollais rams are widely used across Irish lowland flocks to produce prime lambs with good carcass conformation and growth rates. The Suffolk is a primary terminal sire breed in many countries, and genetic improvement programmes have focused on accumulating genomic information to support estimated breeding values [17]. Breeders participating in such programmes have access to pedigree and genomic data that inform ram selection decisions.

When selecting a terminal sire, farmers should consider the maternal traits of the ewe flock, the target market weight and grade, and the typical grass growth patterns on the farm. A ram that produces heavy lambs may suit a farm with strong late-season grass growth, while a smaller-framed terminal sire may be more appropriate where lambs are sold at lighter weights or where finishing conditions are limited.

Maternal and Prolific Breeds

The Belclare breed was developed in Ireland primarily for reproductive performance and meat production. Genomic studies of Belclare sheep have identified selection signatures on autosomes and the X chromosome associated with reproductive traits, including genes involved in ovarian processes such as follicular development, ovulation, and early pregnancy [14]. This breed offers an option for farmers seeking to increase litter size, but it requires careful management of ewe nutrition and lamb survival to realise the potential of higher ovulation rates.

Crossbred ewes from maternal breeds such as the Belclare, when mated to terminal sires, form the basis of many commercial lowland flocks. The choice of maternal breed influences flock prolificacy, milk production, and longevity, all of which affect the economic performance of the enterprise.

Hill and Mountain Breeds

Hill flocks in Ireland and Scotland rely on hardy breeds that can thrive under extensive conditions with minimal supplementary feeding. Scottish Blackface and Cheviot sheep are common in upland areas, valued for their hardiness, foraging ability, and maternal instinct. These breeds produce store lambs that are typically sold to lowland farms for finishing, creating a link between hill and lowland production systems.

The management of hill flocks differs fundamentally from lowland systems. Stocking rates are lower, shepherding is more extensive, and the breeding season is often shorter and later to align lambing with grass growth. Farmers considering a hill enterprise must account for the lower output per ewe and the higher labour requirement per unit of output during gathering and handling.

Rare and Native Breeds

Ireland and the United Kingdom are home to many local and rare livestock breeds that are highly adapted to specific environments and contribute to overall species genetic diversity [20]. These breeds may offer niche marketing opportunities, particularly for wool products, conservation grazing, or heritage tourism. However, the genetic diversity of many rare breeds remains poorly characterised, and census-based estimates of effective population size may not reflect the true genetic status of a breed [20].

Farmers considering a rare breed should investigate the market demand for the breed's products, the availability of breeding stock, and the breed society's recording requirements before committing to a change of enterprise.

Seasonal Management Calendar

Pre-Mating and Mating

The breeding season in Irish lowland flocks typically begins in late autumn, with lambing the following spring. Ewe body condition at mating has a direct influence on ovulation rate and litter size. Farmers should condition-score ewes four to six weeks before ram introduction and adjust feeding to achieve a target condition score appropriate to the breed and production system.

Ram preparation is a critical step that is often overlooked. Rams should be health-checked, foot-trimmed, and assessed for physical soundness at least six weeks before mating. A breeding soundness examination by a veterinarian can identify problems that would otherwise reduce conception rates. The ram to ewe ratio depends on the age and condition of the rams, the size of the mating paddock, and whether synchronisation or artificial insemination is used.

Pregnancy and Lambing

Ewe nutrition during pregnancy affects lamb birth weight, lamb vigour, and ewe milk production. The final six weeks of pregnancy are particularly important, as most fetal growth occurs during this period. Underfeeding during late pregnancy increases the risk of pregnancy toxaemia and lamb losses, while overfeeding can lead to oversized lambs and difficult births.

Lambing management requires close observation and clear protocols for intervention. Farmers should have a defined threshold for when to assist a ewe and when to call a veterinarian. Records of lambing difficulty, lamb birth weight, and perinatal mortality provide the basis for identifying problems and making management changes in subsequent years.

Sentinel flock surveillance in Ireland has shown that fetal, perinatal, lamb, and adult submissions each represent a meaningful proportion of overall mortality, with median submission rates of 2.1 percent for fetuses, 3.5 percent for perinates, 3.0 percent for lambs, and 2.8 percent for adults per adult female sheep in the flock [11]. These figures provide a baseline against which individual farms can compare their own losses.

Lactation and Finishing

Lamb growth rate during lactation depends on ewe milk production and the quality and quantity of pasture available. Creep grazing and creep feeding can improve lamb performance where ewe milk production is limiting. Weaning decisions should balance the need to maintain lamb growth against the risk of ewe condition loss and the need to manage pasture for the remainder of the season.

Finishing systems vary from grass-only to concentrate-supplemented regimes. The choice depends on the target market, the cost of concentrates, and the quality of grass available. Farmers should monitor carcass weights and grades to ensure that lambs meet market specifications and to identify any systematic problems with growth or conformation.

Shearing and Post-Weaning

Shearing timing depends on the breed, the production system, and the intended use of the wool. Spring shearing is common in lowland flocks, while hill flocks may be sheared later in the season. Wool quality and value vary considerably between breeds, and the income from wool is often a minor component of overall enterprise returns.

Post-weaning management of ewes should focus on restoring body condition before the next mating season. Ewes that are too thin at weaning may require supplementary feeding or a longer recovery period before they are ready to breed again.

Disease Control and Biosecurity

Sheep Scab

Sheep scab, caused by infestation with the ectoparasitic mite Psoroptes ovis, is endemic in the Northern Ireland sheep flock and constitutes significant economic and welfare burdens for the farming industry [6]. A pilot project in Northern Ireland identified sheep scab in 60 flocks across all six counties, with serological testing proving essential in uncovering infestation where light microscopy failed to identify mites or where no suitable lesions existed to scrape [7].

The same project identified specific barriers to better scab control, including poor quarantine arrangements and preventative treatment strategies that ultimately proved ineffective [7]. Where macrocyclic lactones were used, follow-up testing was incomplete, and four of six resampled flocks still showed a positive result [7]. This finding highlights the risk of treatment failure and the need for post-treatment verification.

Farmers should implement a quarantine protocol for all incoming sheep, including a period of isolation and appropriate treatment. The choice of treatment product should be made in consultation with a veterinarian, and the withdrawal period must be observed before any treated animal is sent for slaughter. Follow-up testing after treatment is essential to confirm that the infestation has been eliminated.

Pestivirus Infections

Pestivirus infections, including border disease virus and bovine viral diarrhoea virus, can cause significant health problems in ruminants and economic impacts for farmers [10]. A survey of sheep in the Republic of Ireland found pestivirus antibodies in 5.6 percent of adult ewes across 46 percent of flocks, with the highest antibody prevalence detected in sheep from central lowland counties [9]. Comparative neutralisation testing suggested that BVDV may be the major ruminant pestivirus infecting sheep in Ireland [9].

A more recent survey in Northern Ireland found a statistically significant drop in apparent prevalence since a 1999 survey, with apparent animal and flock prevalence of 1.7 percent and 17.3 percent respectively [10]. This suggests that pestivirus prevalence has decreased across Northern Ireland between 1999 and 2018 [10].

Farmers should be aware of the risk of border disease, particularly where sheep and cattle are kept on the same farm or where there is contact between species. Persistently infected animals are the main source of spread, and their identification and removal is central to control. Abortion storms or the birth of small, hairy, or trembling lambs should prompt investigation for pestivirus infection.

Ovine Pulmonary Adenocarcinoma

Ovine pulmonary adenocarcinoma, caused by Jaagsiekte sheep retrovirus, is a notifiable disease in Ireland characterised by the development of invariably fatal lung tumours primarily in adult sheep [12]. A study confirmed the presence of JSRV in the Republic of Ireland using molecular methods and found that 1.6 percent of adult sheep lungs examined at slaughter were positive for JSRV by RT-PCR or immunohistochemistry [12].

JSRV-positive sheep tended to cluster within the same flocks, and positive sheep were identified in counties including Donegal, Kerry, Kilkenny, Offaly, Tipperary, Waterford, and Wicklow [12]. The disease is difficult to diagnose ante-mortem, especially in latently infected animals or those in the very early stages of disease [12].

Farmers should be alert to the clinical signs of OPA, which include progressive respiratory distress, weight loss, and the production of fluid from the nose when the head is lowered. Any suspicion of OPA should be reported to the regional veterinary laboratory, as the disease is notifiable.

Lameness

Ovine lameness represents a significant production and welfare challenge to Irish farmers, comprising infectious conditions such as interdigital dermatitis, footrot, and contagious ovine digital dermatitis, as well as non-infectious conditions including toe granulomas and shelly hoof [18]. A survey of Irish sheep farmers found a median overall farm lameness prevalence of 6.0 percent, with interdigital dermatitis reported as the most common condition [18].

The same survey found that farmers varied in their ability to identify different lameness conditions, with 77.9 percent correctly identifying interdigital dermatitis, 76.6 percent correctly identifying footrot, and 61.7 percent correctly identifying contagious ovine digital dermatitis [18]. Treatment choices also varied, with antibiotic aerosol most frequently used for interdigital dermatitis, while antibiotic injection was the most reported treatment for footrot and contagious ovine digital dermatitis [18].

Farmers should develop a lameness control plan that includes prompt treatment of affected animals, foot bathing where appropriate, and culling of repeat cases. The choice of treatment should be based on an accurate diagnosis, and a veterinarian should be consulted where the response to treatment is poor or where contagious ovine digital dermatitis is suspected.

Parasite Control

Gastrointestinal nematodes and liver fluke are significant causes of production loss in Irish sheep flocks. Anthelmintic resistance is an increasing concern, and farmers should adopt a targeted approach to treatment based on faecal egg counts and risk assessment. Rumen fluke, caused by Calicophoron daubneyi, has become much more prevalent in Ireland than was the case five or six years ago, and infections in cattle are now common [13].

The genetic heterogeneity of rumen fluke isolates in Ireland is similar to that of Fasciola hepatica, a fact that may have implications for the parasite's ability to develop resistance to the very limited number of drugs currently available for treatment [13]. Farmers should monitor for the presence of rumen fluke and discuss treatment options with their veterinarian, as not all flukicides are effective against all stages of the parasite.

Bluetongue

Bluetongue is an emerging disease concern for the Irish sheep sector. Multi-stakeholder research in Ireland has explored perceptions of and attitudes towards bluetongue disease among beef and sheep farmers [24]. The disease is spread by midges and can cause significant morbidity and mortality in sheep.

Farmers should monitor for the clinical signs of bluetongue, which include fever, facial swelling, nasal discharge, and lameness. Any suspicion of bluetongue should be reported immediately, as the disease is notifiable and early detection is essential for control.

Biosecurity Protocols

Quarantine and Isolation

The quarantine of incoming sheep is a critical component of disease control. The Northern Ireland sheep scab project identified poor quarantine arrangements as a barrier to better scab control [7]. All incoming sheep should be isolated from the main flock for a period that allows for observation and treatment, typically a minimum of three weeks.

The quarantine period should be used to treat for external and internal parasites, to monitor for signs of disease, and to conduct any diagnostic testing that is appropriate. Sheep that have been in contact with other farms at shows, sales, or common grazing should be treated as high risk and managed accordingly.

Visitor Biosecurity

Farms that open to visitors, whether for agritourism or for educational purposes, must have a biosecurity protocol that minimises the risk of disease introduction. Visitors should be asked to wear clean footwear and clothing, and footbaths should be provided at the entrance to livestock areas. Vehicles should be parked away from livestock handling areas, and visitor routes should be planned to avoid contact with sick animals or areas where manure is stored.

The same biosecurity principles apply to farm staff and to veterinarians and other professional visitors. A simple record of visitors and their movements on the farm can be valuable in the event of a disease outbreak.

Comparison of Irish and Scottish Sheep Systems

Environmental and Structural Differences

Irish and Scottish sheep systems share many features, including a reliance on grassland production and the use of hardy breeds in upland areas. However, there are important differences in farm structure, policy context, and market access. Scottish hill farming is often characterised by very large extensive grazings, while Irish hill farms tend to be smaller and more fragmented.

The management of upland areas is influenced by farming styles and by the policy frameworks that support them. Research on the Iveragh uplands in southwest Ireland has examined how different farming styles influence the management of commonage and other upland resources [21]. These differences affect grazing pressure, vegetation composition, and the delivery of public goods such as biodiversity and landscape.

Breed Use and Market Orientation

Scottish systems make greater use of breeds such as the Scottish Blackface and the North Country Cheviot, while Irish systems have a stronger focus on lowland crossbred ewes and terminal sires. The Faroese sheep, a North Atlantic short-tailed breed with genetic links to Icelandic and Norwegian sheep, illustrates the distinct genetic heritage of Northern European breeds [19]. The genetic diversity of these breeds is important from both United Kingdom and global perspectives [20].

Market orientation also differs, with Scottish lambs often sold through store markets to lowland finishers, while Irish lambs are more commonly sold directly to processors or through cooperative marketing groups. These differences affect the timing of sales, the price risk faced by farmers, and the information available to support management decisions.

Policy and Support

Agricultural policies in Ireland and Scotland differ in their specific measures, but both recognise the heterogeneity of farming systems and the need for targeted interventions [8]. Generic policies that do not account for farm type can be unsuccessful at farm level and can hinder the achievement of sector-wide sustainability goals [8].

Farmers comparing Irish and Scottish systems should consider the policy supports available in their own jurisdiction, including area-based payments, agri-environment schemes, and capital investment grants. The interaction between policy support and farm management decisions is complex, and professional advice should be sought where significant changes to the enterprise are being considered.

Agritourism and Farm Diversification

Opportunities and Market Demand

Agritourism offers Irish sheep farmers an opportunity to diversify income and to connect with consumers who are interested in where their food comes from. Sheep farm tours are popular with domestic and international visitors, particularly during the lambing season when there is high public interest in newborn lambs.

The demand for sheep farm experiences varies by region and by season. Farms near Dublin and other urban centres may attract day visitors and school groups, while farms in scenic coastal or mountain areas may appeal to tourists who are already in the area for other reasons. Farms in Northern Ireland and Scotland face similar opportunities, and the comparison of approaches across these regions can inform the development of a visitor enterprise.

Planning a Visitor Enterprise

Before opening a farm to visitors, farmers should consider the following steps:

1. Assess the current farm infrastructure and identify what is needed to safely accommodate visitors, including parking, toilet facilities, and accessible routes.
2. Define the visitor experience, including the activities on offer, the duration of visits, and the target audience.
3. Review insurance requirements and public liability cover with a broker who understands farm diversification.
4. Develop a biosecurity protocol that protects the flock while allowing visitors to have a meaningful experience.
5. Plan the staffing and labour requirements, including the additional workload during peak visitor periods.
6. Set pricing that reflects the costs of the enterprise and the value of the experience to visitors.
7. Establish a booking system and a marketing plan that reaches the target audience.

Managing Visitor Safety

Visitor safety is a primary concern for any farm diversification enterprise. Farmers should conduct a risk assessment of the visitor route and identify hazards such as livestock handling areas, machinery, ponds, and uneven ground. The risk assessment should be reviewed regularly and updated when changes are made to the farm or the visitor experience.

Sheep are generally less dangerous to visitors than cattle, but rams can be aggressive, and ewes with lambs may defend their young. Visitor routes should be planned to avoid close contact with rams and with ewes at lambing time. Clear signage and briefing of visitors before they enter livestock areas can reduce the risk of incidents.

Integrating Agritourism with Sheep Production

Agritourism should complement, not compromise, the core sheep enterprise. The timing of visitor activities should be planned around the management calendar, and the additional labour required for visitors should be accounted for in the overall farm workload. Farms that host visitors during lambing must balance the need for close observation of ewes with the demands of managing visitor groups.

The income from agritourism can support investment in the sheep enterprise, such as improved handling facilities, better fencing, or upgraded lambing accommodation. However, farmers should be realistic about the income potential and should not over-invest in visitor infrastructure at the expense of the core enterprise.

Records and Measurements

Flock Performance Records

Accurate records are essential for identifying problems and making informed management decisions. The following records should be maintained for each breeding season:

Disease and Treatment Records

Records of disease and treatment are required for food safety and for the responsible use of veterinary medicines. The withdrawal period for each product must be observed, and records should be sufficient to demonstrate that treated animals have not been sent for slaughter before the withdrawal period has elapsed.

The World Organisation for Animal Health provides international standards for animal health and welfare that inform national surveillance and control programmes [4]. The Food and Agriculture Organization of the United Nations provides resources on animal production and health that support sustainable livestock systems [1]. The USDA National Agricultural Library and the U.S. Food and Drug Administration provide additional resources on animal health and welfare and on veterinary medicines [2][3].

Financial Records

Financial records should capture the costs and returns of the sheep enterprise separately from other farm enterprises. Key measures include the cost per ewe, the output per ewe, and the margin over variable costs. These measures allow farmers to compare their performance with benchmarks and to identify areas where costs can be reduced or output increased.

Common Failure Patterns

Inadequate Quarantine

The failure to quarantine incoming sheep is a common cause of disease introduction. The Northern Ireland sheep scab project found that poor quarantine arrangements and ineffective preventative treatment strategies were barriers to better scab control [7]. Farmers should treat all incoming sheep as potentially infected and manage them accordingly.

Poor Treatment Follow-Up

Treatment failure can occur for many reasons, including incorrect diagnosis, underdosing, and resistance. The Northern Ireland sheep scab project found that follow-up testing was incomplete where macrocyclic lactones were used, and four of six resampled flocks still showed a positive result [7]. Farmers should verify that treatment has been effective and should investigate any failure to respond.

Inaccurate Disease Recognition

Farmers who cannot accurately identify a disease condition cannot treat it effectively. The Irish lameness survey found that farmers varied in their ability to identify different lameness conditions, with lower recognition rates for contagious ovine digital dermatitis and toe granulomas [18]. Training and veterinary support can improve recognition and treatment outcomes.

Over-Reliance on a Single Control Measure

Disease control programmes that rely on a single measure, such as a single treatment or a single vaccine, are vulnerable to failure. Effective control requires a combination of biosecurity, treatment, and management measures, tailored to the specific disease and the farm situation.

Welfare and Safety Context

Welfare Responsibilities

Sheep farmers have a legal and ethical responsibility to ensure the welfare of their animals. The World Organisation for Animal Health provides international standards for animal health and welfare that inform national legislation and farm practice [4]. The USDA Agricultural Research Service conducts research on animal production and protection that supports the development of improved welfare practices [5].

Welfare problems in sheep flocks are often linked to management failures, such as inadequate nutrition, delayed treatment of lameness, or failure to provide appropriate shelter. Farmers should have a plan for dealing with welfare emergencies, including extreme weather events and disease outbreaks.

Worker Safety

Sheep farming involves significant physical risks, including handling large animals, working with machinery, and working alone in remote areas. Farmers should assess the risks associated with each task and implement controls to reduce the likelihood of injury.

The additional workload associated with lambing and with visitor enterprises can increase the risk of fatigue-related accidents. Farmers should plan for adequate rest and should not hesitate to seek help when the workload exceeds their capacity.

Food Safety

The production of sheep for human consumption is subject to food safety requirements that begin on the farm. The U.S. Food and Drug Administration provides resources on animal veterinary products and their safe use [3]. In Ireland and the European Union, the use of veterinary medicines is regulated, and withdrawal periods must be observed.

Farmers should maintain accurate treatment records and should ensure that animals sent for slaughter are free from residues. The responsible use of veterinary medicines is essential for maintaining consumer confidence in sheep products.

Professional Escalation Criteria

Farmers should seek professional advice from a veterinarian or other qualified adviser in the following situations:

1. A disease outbreak that is not responding to treatment, or where the diagnosis is uncertain.
2. A notifiable disease is suspected, including ovine pulmonary adenocarcinoma or bluetongue.
3. Abortion storms or a cluster of perinatal deaths occur in the flock.
4. Lameness prevalence exceeds the farm's normal baseline or does not respond to treatment.
5. Treatment failure is suspected, including possible anthelmintic resistance or ectoparasiticide resistance.
6. A significant change to the enterprise is being considered, such as a change of breed, a major investment, or the development of an agritourism enterprise.
7. The farm is considering participation in a disease control programme or a genetic improvement programme.

The Department of Agriculture, Food and the Marine in Ireland and the Department of Agriculture, Environment and Rural Affairs in Northern Ireland provide guidance on notifiable diseases and on the support available to farmers. Regional veterinary laboratories provide diagnostic services and can advise on disease investigation.

Frequently Asked Questions

What are the main sheep breeds used in Ireland?

The main breeds used in Irish sheep production include lowland terminal sires such as Suffolk, Texel, and Charollais, maternal breeds such as the Belclare, and hill breeds such as Scottish Blackface and Cheviot. The choice of breed depends on the production system, the target market, and the farm's environmental conditions.

How does sheep farming in Ireland compare with sheep farming in Scotland?

Irish and Scottish sheep systems share many features, including grassland production and the use of hardy breeds in upland areas. Scottish systems make greater use of breeds such as Scottish Blackface and North Country Cheviot, while Irish systems have a stronger focus on lowland crossbred ewes and terminal sires. Farm structure, policy context, and market access also differ between the two countries.

What is sheep scab and how is it controlled?

Sheep scab is caused by infestation with the ectoparasitic mite Psoroptes ovis and is endemic in the Northern Ireland sheep flock [6]. Control requires a combination of quarantine for incoming sheep, effective treatment, and follow-up testing to confirm that the infestation has been eliminated [7]. Treatment choices should be made in consultation with a veterinarian.

What are the main causes of lamb mortality in Irish flocks?

Sentinel flock surveillance in Ireland has shown that fetal, perinatal, lamb, and adult submissions each represent a meaningful proportion of overall mortality [11]. Common causes of lamb mortality include dystocia, starvation, exposure, and infectious disease. Accurate records of mortality are essential for identifying problems and making management changes.

Can sheep farms in Ireland offer tours to visitors?

Yes, sheep farms in Ireland can offer tours to visitors, and agritourism provides an opportunity to diversify income and connect with consumers. Farms should plan the visitor experience carefully, manage visitor safety, and implement a biosecurity protocol that protects the flock.

What is ovine pulmonary adenocarcinoma and why is it important?

Ovine pulmonary adenocarcinoma is a notifiable disease in Ireland caused by Jaagsiekte sheep retrovirus and characterised by the development of invariably fatal lung tumours primarily in adult sheep [12]. The disease is difficult to diagnose ante-mortem, and any suspicion should be reported to the regional veterinary laboratory [12].

How can farmers improve their control of lameness in sheep?

Farmers can improve lameness control by accurately identifying the specific condition, treating affected animals promptly, and implementing a control plan that includes foot bathing and culling of repeat cases [18]. A veterinarian should be consulted where the response to treatment is poor or where contagious ovine digital dermatitis is suspected.

What records should a sheep farmer keep?

A sheep farmer should keep records of mating, lambing, growth, health, and mortality, as well as financial records for the enterprise. Treatment records are required for food safety and for the responsible use of veterinary medicines.

Related Farming Guides

• Hair Sheep Farming: Breeds, Management, and Enterprise Budgets
• Dairy Sheep Production Systems: Breeds, Milking, and Flock Management
• Oyster Farming: Culture Methods and Farm Management
• Goose Farming: Breeds, Housing, and Production Systems
• Wool Enterprise Systems: Breeds, Shearing, and Wool Marketing

References and Further Reading

• FAO Animal Production and Health. Food and Agriculture Organization of the United Nations.
• Animal Health and Welfare. USDA National Agricultural Library.
• Animal and Veterinary Resources. U.S. Food and Drug Administration.
• Animal Health and Welfare. World Organisation for Animal Health.
• Animal Production and Protection. USDA Agricultural Research Service.
• Behavioural Factors Influencing the Intention to Adopt Sheep Scab Control Measures in Northern Ireland.. Animals : an open access journal from MDPI, 2024.
• A study of sheep scab in Northern Ireland including detection and identifying barriers to control.. Veterinary record open, 2024.
• Characterizing beef and sheep farming systems to customize sustainability interventions and policy implementation.. Journal of environmental management, 2024.
• A survey of antibodies to pestivirus in sheep in the Republic of Ireland.. Irish veterinary journal, 2004.
• Pestivirus apparent prevalence in sheep and goats in Northern Ireland: A serological survey.. The Veterinary record, 2021.
• Descriptive analysis of ovine mortality in sentinel sheep flocks in Ireland.. The Veterinary record, 2019.
• First confirmation by PCR of Jaagsiekte sheep retrovirus in Ireland and prevalence of ovine pulmonary adenocarcinoma in adult sheep at slaughter.. Irish veterinary journal, 2017.
• Bovine paramphistomes in Ireland.. Veterinary parasitology, 2014.
• Selection signatures on the autosomes and the X chromosome in the prolific Belclare sheep breed.. 2026.
• Nationwide seroprevalence of paratuberculosis in indigenous Turkish goat breeds reveals extensive herd-level circulation and breed-associated risk.. 2026.
• Old Goats: 3,000 years of genetic connectivity of the domestic goat in Ireland. 2025.
• Genetic diversity and population structure of U.S. Suffolk sheep participating in the national sheep improvement program.. 2026.
• Ovine lameness in Ireland: a survey-based investigation of farmer reported prevalence, recognition, and treatment of lameness conditions.. 2025.
• Faroese sheep expand overall global ovine genetic diversity.. 2025.
• Review: Assessing available genetic diversity estimates of rare breeds of livestock. 2025.
• The influence of farming styles on the management of the Iveragh uplands, southwest Ireland. Land Use Policy, 2012.
• Part-time farming in Northern Ireland: a study of small-scale beef and sheep farms ( livestock).. undefined, 1980.
• Did Edmund Dream of Shorthaired Sheep?. Palgrave Studies in Animals and Literature, 2024.
• Exploring perceptions of and attitudes towards bluetongue disease: A multi-stakeholder interview study in the beef and sheep farming sector in Ireland. Social Sciences and Humanities Open, 2024.

This article is educational and is not a substitute for veterinary diagnosis, treatment, public-health guidance, or regulatory reporting.