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Eva Lewis

Research Officer

Research Interests

Dairy cow nutrition,
Grass as a feed – grass quality, grass digestibility, grass nutritive value, grass intake , Rumen function,
Utilisation of ingested nutrients Dietary effects on milk composition,
Enteric methane emissions ,
Nitrogen utilisation efficiency, NIR

Current Projects

RMIS 6193 Precision supplements for high quality forage diets to improve milk protein composition
RMIS 6194 Modelling dairy cow grass dry matter intake to improve dairy cow performance RMIS 6518 Precision nutrition for improved animal productivity, product quality and environmental sustainability (DAFM stimulus; 11/sf/309)
RMIS 6580 Large-scale methane measurements on individual ruminants for genetic evaluations (EU COST Action; FA1302)

Education

PhD in Animal Science, University College Dublin
Bachelor of Agricultural Science, University College Dublin

Scientific Publications (peer viewed)

de Menezes, A.B., Lewis, E., O'Donovan, D., O'Neill, B.F., Clipson, N. and Doyle, E.M. (2011). Microbiome analysis of dairy cows fed pasture or total mixed ration diets. FEMS Microbiology Ecology 78 (2) : 256-265 ISSN 0168-6496

O'Donovan, M., Lewis, E. and O'Kiely, P. (2011). Requirements of future grass-based ruminant production systems in Ireland. Irish Journal of Agricultural & Food Research 50 : 1-21 ISSN 0791-6833

Prendiville, R., Lewis, E. , Pierce, K.M. and Buckley, F (2010). Comparative grazing behavior of lactating Holstein-Friesian, Jersey, and Jersey × Holstein-Friesian dairy cows and its association with intake capacity and production efficiency. Journal of Dairy Science 93(2): 764-774 ISSN 0022-0302.

Wims, C., Deighton, M., Lewis, E. , O'Loughlin, B., Delaby, L., Boland, T. and O'Donovan, M. (2010). Effect of pregrazing herbage mass on methane production, dry matter intake, and milk production of grazing dairy cows during the mid-season period. Journal of Dairy Science 93: 4976-4985 ISSN 0022-0302.

Deighton, M., Shalloo, L., O'Brien, D., O'Neill, B., O'Loughlin, J., Lewis, E. and O'Donovan, M. (2009). Grass : a greener alternative. In: National Dairy Conference, Mullingar & Killarney, 18-Nov-2009, p86-92

Lewis, E. , Kennedy, E. and O'Donovan, M. (2009). The effect of feeding autumn grass with varying levels of concentrate supplementation compared with a total mixed ration on dairy cow ruminal pH. In: Agricultural Research Forum, Tullamore, 12-Mar-2009, p. 105

Lewis, E. , Kennedy, E. and O'Donovan, M. (2009). The effect on dairy cow ruminal pH of feeding autumn grass with varying levels of concentrate supplementation compared to a Total Mixed Ration. In: Agricultural Research Forum, Tullamore, 12-Mar-2009, p.105

Lewis, E. (2009). Livestock breeding for Greenhouse Gas outcomes workshop and study tour. Teagasc Back to office report 1-17

Lewis, E. (2009). Agricultural Biotechnology International Conference. Teagasc Back to office report 1-9

R.J. Dewhurst, Delaby, L. Moloney, A., Boland, T. and Lewis, E. (2009) Nutritive value of forage legumes used for grazing and silage. Irish Journal of Agricultural and Food Research 48 : 167-187.

Lewis, E., Boyle, L., Brophy, P., o'Doherty, J.V. and Lynch, P.B. (2005). The effect of two piglet teeth resection procedures on the welfare of sows in farrowing crates. Part 2. Applied Animal Behaviour Science 90 : 251-264 ISSN 0168-1591/02/$ 10808 A1

Lewis, E., Boyle, L., Brophy, P., O'Doherty, J.V. and Lynch, P.B. (2006). The effect of providing shredded paper or ropes to piglets in farrowing crates on their behaviour and health and the behaviour and health of their dams. Applied Animal Behaviour Science 96 : 1-17 ISSN 0168-

Lewis, E., Boyle, L., Lynch, P.B., Brophy, P. and O'doherty, J.V. (2005). The effect of two teeth resection procedures on the welfare of piglets in farrowing crates. Part 1. Applied Animal Behaviour Science 90 : 233-249 ISSN 0168-1591/02/$ 10807 A1

Lewis, E., Boyle, L., O'Doherty, J.V., Brophy, P. and Lynch, P.B. (2005). The effect of floor type in farrowing crates on piglet welfare. Irish Journal of Agricultural & Food Research 44 : 69-81 ISSN

 

Other Scientific Publications

 Lewis, E. , Deighton, M., O'Loughlin, B., O'Neill, B., Wims, C., O'Brien, D., Buckley, F., Shalloo, L. and O'Donovan, M. (2011). Towards reduced methane from grass-based Irish milk production systems. In: Emissionen der Tierhaltung, Kloster Banz, Bad Staffelstein, 06-Dec-2011, 166-177 


Gomes Rodruges, E.P. and Lewis, E. (2011). The effect of perennial ryegrass cultivars on grazing behaviour and performance of dairy cows. MSc Universidade de Tras-os-montes E Alto Douro

Beecher, M., Lewis, E. , Boland, T., Galvin, N., Fleming, Christine, O'Neill, B. and O'Donovan, M. (2011). Investigation of the relationship between sward organis matter digestibility and sward leaf proportion from 20 years data. (Abstract) Proc. of 8th Intl Symposium on Nutrition of Herbivores 2 (2) : 283

Enriquez, D., O'Driscoll, K., Lewis, E. , Buckley, F., Thackaberry, C., Lemon Teixeira, D. and Boyle, L. (2011). The influence of a short period of confinement in tie stalls on the lying behaviour of different breeds of dairy cows. (Abstract) Proc. Joint East & West Central Europe ISAE Regional Meeting p.11

Lewis, E. , Coughlan, F., Murphy, J.P., Galvin, N., O'Donovan, M. and O'Neill, B.F. (2011). The effect of supplementing grazed grass with mixed ration on rumen pH and rumen ammonia, volatile fatty acid and lactic acid concentrations. (Abstract) Proc. of 8th Intl Symposium on Nutrition of Herbivores 2 (2) : 284

Lewis, E. , Galvin, N., Coughlan, F., Murphy, J.P., O'Donovan, M. and Wims, C. (2011). The effects of sward pre-grazing herbage mass on dairy cow rumen function. (Abstract) Proc. of 8th Intl Symposium on Nutrition of Herbivores 2 (2) : 353

O'Donovan, M., Lewis, E. , Boland, T. and O'Kiely, P. (2010). Requirements of future grass based ruminant production systems in Ireland. In: Grasses for the Future Conference, Silver Springs and Moorepark,14-Oct-2010, 11-41.

Burns, G.A., Gilliland, T.J., McGilloway, D.A., Lewis, E. , O'Donovan, M. and O'Kiely, P. (2010). Variability in composition of grass samples in a national testing system for Lolium perenne L. In: Proceedings of the 23rd General Meeting of the European Grassland Federation, Kiel, Germany, 29-Aug-2010, 15: 479-481.

de Menezes, A., Lewis, E. , Deighton, M., Clipson, N. and Doyle, E. (2010). Microbial Ecology of the Rumen in cows fed diets of contrasting methanogenic potential. In: Proceedings of the 13th International Society for Microbial Ecology Conference, Seattle, USA, 22-Aug-2010, PS.20.008.

Boyle, L. and Lewis, E. (2010). The effect of flooring on skin lesions and lying behaviour of sows in farrowing crates.61st Annual Meeting. (Abstract) European Association for Animal Production, Greece 23-27th August, p.234.

Kennedy, E., Lewis, E. , Murphy, J.P. and O'Donovan, M. (2010). Comparison of grazed grass and a TMR diet on early lactation milk production performance. (Abstract) Grassland Science in Europe p. 431-433.

Lewis, E. , Coughlan, F., O'Donovan, M. and Wims, C. (2010). The effect of pasture herbage mass on dairy cow runimal pH. (Abstract) Grassland Science in Europe p. 970-972.

Lewis, E. (2004). The effect of different floor types and management practices on the welfare of sows and piglets farrowing crates. PhD NUI 9285 A5

Lewis, E., Boyle, L., Brophy, P., O'Doherty, J.V. and Lynch, P.B. (2004). The effect of teeth resection procedures on the welfare of piglets in farrowing crates. In: BSAS Annual meeting, York, UK, 01-Apr-2004, Proceedings 10246 A7

Lewis, E., Boyle, L., Lynch, P.B., Brophy, P. and O'Doherty, J. (2002). Effect of floor type on the welfare of piglets in the farrowing house. In: Proceedings of the British Society of Animal Science, York, UK, 01-Apr-2002, P.227 6808 A7

Lewis, E., Boyle, L., Lynch, P.B., Brophy, P. and O'Doherty, J. (2002). Effect of different floor types in farrowing crates on sow welfare. In: 36th International Congress of the International Society for Applied Ethology, Egmond aan Zee, The Netherland, 06-Aug-2002, 152 7183 A7

Lewis, E., Boyle, L., Lynch, P.B. and O'Doherty, J. (2003). The effect of providing manuipulable substrates to piglets in farrowing crates on their welfare and that of their dam. In: 37th International Congress of the International Society for Applied Ethology, Abano Terme, Italy, 24-Jun-2003, p.

 

Technical Publications

 Deighton, M., Thackaberry, C., O'Loughlin, B., Lewis, E. , Boland, T.M. and Buckley, F. (2011). Effect of cow breed and grass feeding level upon enteric methane intensity of milk solids production. In: Agricultural Research Forum, The Tullamore Court Hotel, 14-Mar-2011, p.64 


Kavanagh, S. and Lewis, E. (2011). Nutritional factors affecting milk solids. In: National Liquid Milk Conference, Navan, Co. Meath, 26-Oct-2011, p. 2-7

Kennedy, E. and Lewis, E. (2011). Rearing healthy calves : Management of cows pre-calving and calves post birth and rearing options. In: Planning for Post Quotas, Annual Dairy Conference, Co. Meath and Cork, 11-Jan 2011, p.29

Kennedy, E., Lewis, E. , Murphy, J.P. and O'Donovan, M. (2011). Effects of level of grass inclusion in the diet of early lactation autumn calving dairy cows on milk production performance. In: British Grassland Society, Belfast, Northern Ireland, 20-Sep-2011, p. 107

Lewis, E. , Coughlan, F., Galvin, N., O'Donovan, M. and Wims, C. (2011). Pasture herbage mass effect on dairy cow rumen function. In: The British Grassland Society Tenth Research Conference, Belfast, Northern Ireland, 22-Sep-2011, p. 87-88

Lewis, E. , O'Donovan, M., Kennedy, E., O'Neill, B. and Shalloo, L. (2011). Feeding the dairy cow in Spring : supplementation requirements and responses. In: National Dairy Conference, The Irish Dairy Industry: To 2015 and Beyond, Rochestown Park Hotel, Cork, 15-Nov-2011, p. 71-82

Lewis, E. , O'Donovan, M., Kennedy, E., O'Neill, B. and Shalloo, L. (2011). Feeding the dairy cow in Spring : supplementation requirements and responses. In: National Dairy Conference, The Irish Dairy Industry: To 2015 and Beyond, Hodson Bay Hotel, Athlone, 16-Nov-2011, p. 71-81

Lewis, E. , Thackaberry, C. and Buckley, F. (2011). Gastrointestinal tract size as a proportion of liveweight in Holstein, Jersey and Jersey-cross cows. In: Agricultural Research Forum, The Tullamore Court Hotel, 15-Mar 2011, p.104

Lewis, E. , Wims, C., McEvoy, M., Murphy, J.P., Coughlan, F. and O'Donovan, M. (2011). The effect of perennial ryegrass (Lolium perenne) cultivar on dairy cow rumen function. In: Agricultural Research Forum, The Tullamore Court Hotel, 14-Mar-2011, p.42

O'Neill, B., Lewis, E. , O'Donovan, M., Shalloo, L., Galvin, N., Mulligan, J., Boland, T.M. and Delagarde, R. (2011). The prediction of grass dry matter intake for grazing Irish dairy cows. In: Teagasc Walsh Fellowship Seminar, RDS, Dublin, 08-Nov-2011, p. 56

O'Neill, B.F., Lewis, E. , O'Donovan, M., Shalloo, L., Boland, T.M., Mulligan, F.J. and Delagarde, R. (2011). Investigation of the relationship between bodyweight and grass dry matter intake in Irish dairy cows. In: Agricultural Research Forum, The Tullamore Court Hotel, 14-Mar-2011, p.78

O'Neill, B.F., Lewis, E. , O'Donovan, M., Shalloo, L., Boland, T.M., Mulligan, F.J. and Delagarde, R. (2011). Evaluation of the GrazeIn model of grass dry matter intake and milk production for Irish grass-based production systems. In: Agricultural Research Forum, The Tullamore Court Hotel, 15- Mar-2011, p. 137

Lewis, E. (2011). MTT - Teagasc collaboration trip. Teagasc IE p. 1-7 ISBN

Lewis, E. and Buckley, F. (2011). Variation in diary cow feed efficiency amongst breeds - Irish Dairying Planning for 2015, Moorepark'11 Open Day (29/6/11). Teagasc IE p. 50 - 52 ISBN

Burns, G., Gilliland, T., McGilloway, D., Lewis, E. , O'Donovan, M. and O'Kiely, P. (2010). The effect of ploidy on the Agronomic performance of perennial ryegrass (Lolium perenne L). In: Irish Plant Scientist Association Meeting, University College Dublin, 02-Jun-2010, S5-1.

Burns, G.A., Gilliland, T.J., McGilloway, D., O'Donovan, M., Lewis, E. , Blount, N. and O'Kiely, P. (2010). Using NIRS to predict composition characteristics of Lolium perenne L. cultivars. In: Proceedings of the British Society of Animal Science and Agricultural Research Forum, Belfast, 13-Apr-2010 p. 321.

Deighton, M., Wims, C., O'Loughlin, B., Lewis, E. and O'Donovan, M. (2010). Effect of sward maturity on the dry matter intake, enteric methane emission and milk solids production of pasture grazed dairy cows. In: Proceedings of the British Society of Animal Science and Agricultural Research Forum, Belfast, 13-Apr-2010, p 262.

Lewis, E. , Coughlan, F., O'Donovan, M. and Wims, C. (2010). The effect of grazing different pasture herbage masses on rumen pH in lactating dairy cows. In: Proceedings of the British Society of Animal Science and Agricultural Research Forum, Belfast, 13-Apr-2010, p. 293.

O'Neill, B., Deighton, M., O'Loughlin, B., Mulligan, F.J., Boland, T.M., O'Donovan, M. and Lewis, E. (2010). Effects of feeding spring calving dairy cows a perennial ryegrass pasture diet or total mixed ration diet in spring on methane emissions, dry matter intake and milk production. In: A Climate for Change Opportunities for Carbon-Efficient Farming, The Mansion House, 24-Jun-2010, p. 91.

O'Neill, B.F., Deighton, M., O'Loughlin, J., Mulligan, F.J., O'Donovan, M. and Lewis, E. (2010). Evaluation of methane emissions by spring calving Holstein Friesian dairy cows offered a grass-only diet or a total mixed ration. In: Proceedings of the British Society of Animal Science and Agricultural Research Forum, Belfast, 13-Apr-2010, p.77.

O’Donovan, M. and Lewis, E. 2010. Mid-season grazing for efficient milk production and reproductive performance. Moorepark Dairy Levy Research Update Series No. 14. Teagasc IE pp. 32-35.

Wims, C., Deighton, M., Lewis, E. , O'Loughlin, B., Delaby, L., Boland, T.M. and O'Donovan, M. (2010). Effect of pre-grazing herbage mass on methane production, dry matter intake and milk production of grazing dairy cows during the mid-lactation period. In: A Climate for Change Opportunities for Carbon-Efficient Farming, The Mansion House, 24 Jun-2010, p. 107.

Lewis, E. (2010). Trip Report - BSAS. Teagasc 1 p.1-5.

Lewis, E. , O'Donovan, M. and O'Neill, B. (2010). Teagasc-INRA DMI Model Collaboration Trip Report - 15-16 February, 2010. Teagasc-INRA Report 1 1-17.

Lewis, E. and Boyle, L. (2002). Group housing in Holland. Teagasc Pig Newsletter April, p.3 7186

Boyle, L. and Lewis, E. (2001). Pig welfare research at Moorepark. In: Teagasc Pig Farmers Conferences, Longford, Kilkenny and Mallow, 15-Oct-2001, pp.33-45 6817

Lewis, E. and Boyle, L. (2003). The pros and cons of teeth clipping. In: Teagasc Pig Farmers Conferences, Longford, Kilkenny, Kanturk, 20-Oct-2003, 11-21 9286

Lewis, E., Boyle, L., Brophy, P., O'Doherty, J.V. and Lynch, P.B. (2004). Effect of leaving piglets’ teeth intact on sow welfare. In: Agricultural Research Forum, Tullamore, 01-Mar-2004, 43 9373

Lewis, E., Boyle, L., Lynch, P.B., Brophy, P. and O'Doherty, J. (2003). Effect of environmental enrichment in farrowing pens on pig welfare. In: Agricultural Research Forum, Tullamore, 03-Mar-

Lewis, E., Boyle, L., Lynch, P.B., Brophy, P. and O'Doherty, J. (2002). Effect of floor type on the welfare of piglets in the farrowing house. In: Proceedings of Agricultural Research Forum, Tullamore, 11-Mar-2004, p.50 10028

 

Practical/Popular Publications

 Lewis, E. (2011). Spring nutrition of cows with super levy looming. Irish Farmers Journal p. 38-39 


Lewis, E. (2011). Feed efficiency in different breeds. Moorepark News Issue 31 p. 2

Lewis, E. and Buckley, F. (2011). Variation in dairy cow feed efficiency amongst breeds. Teagasc Advisory Newsletter p. 4

Lewis, E. (2010). Rumen pH in grazing dairy cows. Tresearch 5(1) : 36-37 ISSN 1649-8917.

O'Donovan, M., Kennedy, E. and Lewis, E. (2010). Grass is still in short supply – Moorepark update. Irish Farmers Journal 8/4/10.

O'Donovan, M., Kennedy, E. and Lewis, E. (2010). Managing Cows through a Spring Grass Shortage. Irish Farmers Journal 4/3/10.

Brian Garry