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Researchers at UCD

Bridget Lynch

Lecturer/Assistant Professor

School Of Agriculture & Food Science
Agriculture and Food Science
Belfield
Dublin 4

Tel: +353 1 7167769
Email: bridget.lynch@ucd.ie

Biography

Graduated with a PhD in Animal Nutrition from UCD in 2008. Current research programme which is based at UCD Lyons Research Farm focuses on the following topics:

  • Forage maize production 
  • Evaluation of forage maize for livestock production 
  • Alternative pasture species 
  • Evaluation of multispecies swards for livestock systems 
  • Grazing management for higher input dairy production 
  • Knowledge transfer of grassland science 

Professional

Honours and Awards

Year: 2006.
Title: Irish Pig Health Society Travel Bursary
Year: 2003.
Title: Alltech Student Award

Associations

Association: UK Maize Growers Association, Function/Role: Member
Association: New Zealand Grassland Association, Function/Role: Member
Association: Irish Grassland Association, Function/Role: Council member
Association: Agricutural Science Association, Function/Role: Member
           

Education

Year 2008 Institution: University College Dublin
Qualification: PhD Subject: Animal Science
Year 2004 Institution: University College Dublin
Qualification: BAgrSc Subject: Animal Science
         

Publications

     

Peer Reviewed Journals

O¿Connor P.J., Minogue, D, Lewis, E. Lynch, M.B. and Hennessy, D. (2016) 'Applying urine collected from non-lactating dairy cows dosed with dicyandiamide to lysimeters and grass plots: effects on nitrous oxide emissions, nitrate leaching and herbage production'. Journal of Agricultural Science, 154 (4):674-688. [Details]
Velmurugan, J., Mollison, E., Barth, S., Marshall, D., Milne, L., Creevey, C.J., Lynch, M.B., Meally, H., McCabe, M. and Milbourne, D. (2016) 'An ultra-high density genetic linkage map of perennial ryegrass (Lolium perenne) using genotyping by sequencing (GBS) based on a reference shotgun genome assembly'. Annals of Botany, 118 :71-87. [Details]
Egan, M., Lynch, M.B. and Hennessy, D. (2017) 'Including white clover in nitrogen fertilised perennial ryegrass swards: effects on dry matter intake and milk production of spring calving dairy cows'. Journal of Agricultural Science, 155 :657-668. [Details]
Whelan, S.J., Carey, W., Boland, T.M., Lynch, M.B., Kelly, A.K., Rajauria, G. and Pierce, K.M. (2017) 'Effect of by-product inclusion level on milk production, nutrient digestibility and excretion and rumen fermentation parameters in lactating dairy cows offered a pasture based diet'. Journal of Dairy Science, 100 (2):1055-1062. [Details]
O'Shea, CJ,Lynch, B,Lynch, MB,Callan, JJ,O'Doherty, JV; (2009) 'Ammonia emissions and dry matter of separated pig manure fractions as affected by crude protein concentration and sugar beet pulp inclusion of finishing pig diets'. Agriculture, Ecosystems and Environment, 131 :154-160. [DOI] [Details]
Murphy, D.P., O'Doherty, J.V., Boland, T.M., O'Shea, C.J., Callan, J.J., Pierce, K.M., Lynch, M.B.; (2011) 'The effect of benzoic acid concentration on nitrogen metabolism, manure ammonia and odour emissions in finishing pigs'. Animal Feed Science and Technology, 163 (2-4):194-199. Available Online [DOI] [Details]
O¿Connor P.J., Lynch, M.B., Cahalan, E., O¿Donovan, M and Hennessy, D. (2013) 'The effect of the nitrification inhibitor dicyandiamide (DCD) on spring and annual herbage production in urine patches when applied in late summer or early autumn'. Grass and Forage Science, 68 :564-576. [Details]
Boland, T.M, Quinlan, C., Pierce, K.M., Lynch, M.B., Kelly, A.K. and Purcell, P.J. (2013) 'The effect of pasture pre-grazing herbage mass on methane emissions, rumen fermentation variables and average daily gain of grazing beef heifers'. Journal of Animal Science, 91 :3897-3874. [DOI] [Details]
O¿Connor P.J., Hennessy, D. Lynch, M.B., Slattery, H and Lewis, E. (2013) 'The effect of pulse-dosing non-lactating dairy cows with the nitrification inhibitor dicyandiamide (DCD): the recovery of DCD and DCD effects on blood metabolites, rumen function and diet digestibility'. Livestock Science, 155 :30-37. [Details]
O¿Shea, C.J., Lynch, B., Lynch, M.B., Callan, J.J., & O¿Doherty, J.V. ; (2011) 'Modification of selected bacteria and markers of protein fermentation in the distal gastrointestinal tract of pigs upon consumption of chitosan is accompanied by heightened manure odor emissions'. Animal Science, 89 :1366-1375. [Details]
O'Shea, C.J., Sweeney, T., Lynch, M.B., Gahan, D.A., Flynn, B.A., O'Doherty, J.V.; (2011) 'The effect of introducing purified β-glucans to a wheat-based diet on total tract digestibility and gaseous manure emissions from pigs as compared with consumption of a β-glucan-rich, barley-based diet'. Animal Feed Science and Technology, 165 :95-104. [Details]
O¿Shea, C.J., Lynch, M.B., Callan, J.J. & O¿Doherty, J.V. ; (2011) 'Comparison of exogenous β-glucan supplementation to a wheat-based diet with an oat-based diet on intestinal fermentation and manure odour and ammonia emissions from finisher pigs'. Animal Science, 89 :438-447. [Details]
O'Connor, P.J., Hennessy, D., Brophy, C., O'Donovan, M. and Lynch, M.B. (2012) 'The effect of the nitrification inhibitor dicyandiamide (DCD) on herbage production when applied at differenct times and rates in the autumn and winter'. Agriculture, Ecosystems and Environment, 152 :79-89. [Details]
O¿Shea, C.J., Lynch, B, Lynch, M.B., Callan, J.J. and O¿Doherty, J.V. ; (2010) 'Effect of supplementation of exogenous β -glucans and enzymes on nutrient digestibility, manure odour and ammonia emissions from finisher boars'. Livestock Science, 134 :190-193. [Details]
O'Shea, C.J., Gahan, D., Lynch, M.B., Callan, J.J. & O'Doherty, J.V.; (2010) 'Effect of β-glucan source and exogenous enzyme supplementation on intestinal fermentation and manure odour and ammonia emissions from'. Livestock Science, 134 :194-197. [Details]
O¿Shea, C.J., Gahan, D.A., Lynch, M.B., Sweeney, T., Callan, J.J. and O¿Doherty, J.J. ; (2010) 'Effect of B-glucans contained in barley and oat based diets and exogenous enzyme supplementation on gastrointestinal fermentation of finisher pigs and subsequent manure odor and ammonia emissions'. Animal Science, 88 :1411-1420. [Details]
O'Shea, C.J., Lynch, M.B., Callan, J.J. & O'Doherty, J.V. ; (2010) 'Dietary supplementation with chitosan at high and low crude protein concentrations promotes Enterobacteria spp in the caecum and colon and increases manure odour emissions from finisher boars'. Livestock Science, 134 :198-201. [Details]
Lynch, M.B., Sweeney, T., Callan, J.J., O¿Sullivan, J.T. and O¿Doherty, J.V. ; (2010) 'The effect of dietary Laminaria hyperborea derived polysaccharides on nutrient digestibility, nitrogen utilisation, intestinal microflora and volatile fatty acid concentration in pigs'. Journal of Science and Food Agriculture, 90 :430-437. [Details]
Lynch, M.B., Sweeney, T., Callan, J.J., O¿Sullivan, J.T. and O¿Doherty, J.V. ; (2010) 'The effect of dietary Laminaria hyperborea derived laminarin and fucoidan on intestinal microflora and volatile fatty acid concentration in pigs'. Livestock Science, 133 :157-160. [Details]
Lynch MB, Sweeney T, Callan JJ Flynn B, and O'Doherty JV ; (2007) 'The effect of high and low dietary crude protein and inulin supplementation on nutrient digestibility, nitrogen excretion, intestinal microflora and manure ammonia emissions from finisher pigs'. Animal, 1 (1):1112-1121. [Details]
M.B. Lynch, J.J. Callan and J.V. O¿Doherty ; (2009) 'The interaction between dietary crude protein and fermentable carbohydrate source on post weaning performance, diet digestibility and selected faecal microbial populations and volatile fatty acid concentration'. Livestock Science, 124 :93-100. [Details]
D.A. Gahan, M.B. Lynch, J.J. Callan, J.T. O¿Sullivan, J.V. O¿Doherty ; (2009) 'Performance of weanling piglets offered low, medium or high lactose diets supplemented with a seaweed extract from Laminaria spp'. Animal, 3 :24-31. [Details]
M.B. Lynch, C. O¿Shea, T. Sweeney, J.J. Callan and J.V. O'Doherty ; (2008) 'Effect of crude protein concentration and sugar beet pulp on nutrient digestibility, nitrogen excretion, intestinal fermentation and manure ammonia and odour emissions from finisher pigs. '. Animal, 2 :425-434. [Details]
Lynch, M.B., J.J. Callan and J.V. O'Doherty. ; (2008) 'The interaction between lactose level and enzyme supplementation and form of barley processing on performance, digestibility and faecal volatile fatty acid concentration of weanling pigs fed barley-based diets'. Animal Feed Science and Technology, 140 :349-364. [Details]
Lynch, M.B., T. Sweeney, J.J. Callan and J.V. O'Doherty. ; (2007) 'The effect of dietary crude protein concentration and inulin supplementation on nitrogen excretion and intestinal microflora from finisher pigs'. Livestock Science, 109 (1-3):204-207. [Details]
Lynch, M.B., J.J. Callan and J.V. O'Doherty. ; (2007) 'The interaction between enzyme supplementation and lactose level on the performance of weanling pigs fed barley based diets'. Livestock Science, 108 (1-3):258-261. [Details]
Lynch, M.B., T. Sweeney, J.J. Callan and J.V. O'Doherty. ; (2007) 'The effect of dietary barley level on volatile fatty acid concentration and manure ammonia emissions in finishing pigs'. Livestock Science, 109 (1-3):236-239. [Details]
Lynch, M.B., T. Sweeney, J.J. Callan and J.V. O'Doherty.; (2007) 'Effects of increasing the intake of dietary β-glucans by exchanging wheat for barley on nutrient digestibility, nitrogen excretion, intestinal microflora, volatile fatty acid concentration and manure ammonia emissions in finishing pigs'. Animal, 6 (1):812-819. [Details]
 

Conference Publications

P.J. O¿Connor, D. Hennessy, M. O¿Donovan, M.B. Lynch ; (2011) The effect of the nitrification inhibitor dicyandiamide (DCD) applied in late summer, autumn and winter on soil nitrogen ammonium and total oxidiseable nitrogen Proceedings of the British Grassland Society meeting [Details]
P.J. O¿Connor, D. Hennessy, M. O¿Donovan and M.B. Lynch; (2011) The effect of dicyandiamide (DCD) application in late summer and autumn on annual herbage production on two soil types Proceeding of the Agricultural Research Forum [Details]
S. Walsh, M.B. Lynch and T. McCabe (2012) Agronomic studies on the application of compost to grass, clover and grass + clover swards Proceeding of the Agricultural Research Forum, Tullamore, Offaly, Ireland [Details]
P.J. O¿Connor, D. Hennessy, M. O¿Donovan, M.B. Lynch (2012) The effect of the nitrification inhibitor dicyandiamide (DCD) applied at different times and rates in the autumn on herbage nitrogen uptake in spring Proceeding of the Agricultural Research Forum, Tullamore, Offaly, Ireland [Details]
J. Velmurugan, D. Milbourne, C. Creevey, H. Meally, M.B. Lynch, S. Barth (2012) Towards building a SNP pipeline for genotyping by sequencing (GBS) in perennial ryegrass Proceeding of IPSAM, Botanical Gardens Glasnevin, Dublin, Ireland [Details]
O¿Connor, P.J., Hennessy, D., Cahalan, E., O'Donovan, M. and Lynch, M.B (2012) The effects of nitrification inhibitor dicyandiamide (DCD) on herbage nitrogen uptake when applied in late summer or early autumn 24th General Meeting of the European Grassland Federation, Lubin, Poland [Details]
P.J. O¿Connor, D. Hennessy, M. O¿Donovan, M.B. Lynch and E. Lewis (2012) The effect of the nitrification inhibitor dicyandiamide (DCD) on dairy cow rumen function Proceeding of the Agricultural Research Forum, Tullamore, Offaly, Ireland [Details]
O¿Connor, P.J., Hennessy, D., O¿Donovan, M., Lynch, M.B. ; (2010) The effect of the nitrification inhibitor dicyandiamide on herbage production when applied at varying times points and rates in the autumn Proceedings of the Joint British Society of Animal Science/ Agricultural Research Forum, Belfast, Ireland [Details]
M. Cristilli, M.B. Lynch, D. McGilloway, S. Barth and T.M. Boland; (2010) Effect of variety, nitrogen fertilization and regrowth interval on fatty acid levels of perennial ryegrass post establishment Proceedings of the Joint British Society of Animal Science/ Agricultural Research Forum, Belfast, Ireland [Details]
D.M. Murphy, J.V. O¿Doherty, K.M. Pierce, T.M. Boland, J.J. Callan and M.B. Lynch ; (2010) The effect of dietary benzoic acid concentration on nitrogen utilisation, manure ammonia and odour emissions in finisher pigs Proceedings of the Joint British Society of Animal Science/ Agricultural Research Forum, Belfast, Ireland [Details]
M.B. Lynch, Kenny, D.A. and Boland, T.B. ; (2010) An examination of the performance, nutrient digestibility, enteric methane emissions and rumen fermentation characteristics of beef cattle fed either barley or ground ear maize based diets Proceedings of the Joint British Society of Animal Science/ Agricultural Research Forum, Belfast, Ireland [Details]
O¿Connor, P.J., Hennessy, D., O¿Donovan, M. and Lynch, M.B. 2010; (2010) The effects of the nitrification inhibitor dicyandiamide (DCD) on herbage production when applied at different times and rates in the autumn and spring In: Grassland in a changing world. Proceedings of the 23rd General Meeting of the European Grassland Federation, Kiel, Germany [Details]
Quinlan, C.J., Lynch, M.B., O¿Brien, M., Navarro, A. and T.M. Boland; (2010) The effect of sward maturity on the in vitro digestibility and methane production of sward components Proceedings of the Joint British Society of Animal Science/ Agricultural Research Forum, Belfast, Ireland [Details]
O'Shea, C.J., Gahan, D., Lynch, M.B., Callan, J.J. and O'Doherty, J.V. ; (2009) Effect of β-glucan source and exogenous enzyme supplementation on intestinal fermentation and manure odour and ammonia emissions from finisher boars Proceedings of XI International Symposium on Digestive Physiology of Pigs, Montbrio del Camp, Costa Daurauda, Spain [Details]
M.B.Lynch, T.Sweeney, J.J.Callan, J.T. O¿Sullivan and J.V.O¿Doherty; (2009) The effect of dietary Laminaria derived laminarin and fucoidan on intestinal microflora and volatile fatty acid concentration in pigs Proceedings of XI International Symposium on Digestive Physiology of Pigs, Montbrio del Camp, Costa Daurauda, Spain [Details]
O'Shea, C.J., Gahan, D., Lynch, M.B., Callan, J.J. and O'Doherty, J.V. 2009; (2009) Effect of supplementation of exogenous β -glucans and enzymes on nutrient digestibility, manure odour and ammonia emissions from finisher boars Proceedings of XI International Symposium on Digestive Physiology of Pigs, Montbrio del Camp, Costa Daurauda, Spain [Details]
O'Shea, C.J., Lynch, M.B., Callan, J.J. and O'Doherty, J.V.; (2009) Dietary supplementation with chitosan at high and low crude protein concentrations promotes Enterobacteria spp in the caecum and colon and increases manure odour emissions from finisher boars Proceedings of XI International Symposium on Digestive Physiology of Pigs, Montbrio del Camp, Costa Daurauda, Spain [Details]
Cotecchia, L., Boland, T.M., Lynch, M.B., McGilloway, D., Mullins, E., Byrne, S., Barth, S.; (2009) Investigating the correlation between the fatty acid levels and the expression of candidate genes involved in the fatty acid pathway in perennial ryegrass Proceedings of the Irish Plant Scientists Association [Details]
M. Cristilli, M.B. Lynch, S. Barth, D. McGilloway, D.A. Kenny and T.M. Boland. ; (2009) Effect of cutting date and variety on fatty acid levels of perennial ryegrass Proceeding of the Agricultural Research Forum [Details]
M. Cristilli, M.B. Lynch, S. Barth, D. McGilloway, D.A. Kenny and T.M. Boland. ; (2009) Comparison and optimisation of fatty acid extraction methods for high throughput perennial ryegrass sample screening Proceeding of the Agricultural Research Forum [Details]
O¿Shea, C.J., M.B. Lynch, J.J. Callan and J.V. O¿Doherty.; (2009) Supplementation of high and low crude protein diets with chitosan promotes Enterobacteria in the caecum and colon and subsequently increases manure odour emissions from finisher pigs Proceedings of the 60th Annual Meeting of the Federation of Animal Science, Fira de Barcelona, Barcelon, Spain [Details]
O¿Shea, C.J., M.B. Lynch, J.J. Callan and J.V. O¿Doherty. 2009. ; (2009) Suppression of Lactobacillus spp. in the colon increases manure odour emissions from finisher pigs Proceeding of the Agricultural Research Forum [Details]
Cotecchia, L., Boland, T.M., Yang, B., McGilloway, D., Lynch, M.B., Barth, S.; (2008) Investigations into the biological and genetic control of fatty acid levels in perennial ryegrass Proceedings of the Irish Plant Scientists Association [Details]
P. O¿Hanlon, D. Kenny, T.M. Boland, G.P. Keane and M.B. Lynch. 2008. ; (2008) Ground ear maize as an alternative forage source for beef cattle in Ireland Proceedings of XXI International Grassland Congress – International Rangeland Congress, 2008 [Details]
P. O¿Hanlon, D.A. Kenny, T.M. Boland, G.P. Keane and M.B. Lynch. 2008.; (2008) An examination of the intake and digestibility characteristics of ground ear maize for beef cattle Proceedings of ADSA and ASAS, 2008 Joint Annual Meeting, Indianapolis, Indiana.0 [Details]
M.B.Lynch, C.J. O¿Shea, T.Sweeney, J.J.Callan and J.V.O¿Doherty. 2008. ; (2008) Effect of crude protein concentration and sugar beet pulp on nutrient digestibility, nitrogen excretion, intestinal fermentation and manure ammonia and odour emissions from finisher pigs \i Proceedings of0 ADSA and ASAS, 2008 Joint Annual Meeting, Indianapolis, Indiana.0 [Details]
M.B. Lynch, J.J. Callan and J.V. O'Doherty. 2006. ; (2006) The effect of dietary barley level on nutrient digestibility, nitrogen excretion, intestinal microflora and volatile fatty acid concentration in finishing pigs \i Proceedings of the 10th International Symposium on Digestive Physiology in Pigs0 , Vejle0 , Denmark0 . p. 96 [Details]
M.B. Lynch, J.J. Callan and J.V. O'Doherty. ; (2006) The interaction between enzyme supplementation and lactose level on the performance of weanling pigs fed barley based diets \i Proceedings of the 10th International Symposium on Digestive Physiology in Pigs0 , Vejle0 , Denmark0 . p. 35 [Details]
M.B. Lynch, T. Sweeney, J.J. Callan and J.V. O'Doherty. 2006. ; (2006) The effect of dietary crude protein concentration and inulin supplementation on nitrogen digestibility, nitrogen excretion, intestinal microflora and manure ammonia emissions from finisher pigs \i Proceedings of the 10th International Symposium on Digestive Physiology in Pigs0 , Vejle0 , Denmark0 . p. 91 [Details]
                                                                                                                 

Research

Research Interests


Current research programme which is based at UCD Lyons Research Farm focuses on the following topics:
  • Forage maize production 
  • Evaluation of forage maize for livestock production 
  • Alternative pasture species 
  • Evaluation of multispecies swards for livestock systems 
  • Grazing management for higher input dairy production 
  • Knowledge transfer of grassland science 

Research Projects

Sponsor : John Thompson and Sons Ltd
Title : Dietary strategies for altering rumen physiology in grazing dairy cows
Start Date / End Date : 23-APR-12 / 22-APR-14
Sponsor : Dept. Agriculture, Food and the Marine (DAFM)
Title : Defining optimal pasture composition and its relationship with management factors in order to maximise dairy and beef productivity, whilst minimising nitrous oxide emissions (urine N output), methane emissions and product taints
Start Date / End Date : 01-NOV-12 / 31-OCT-16
Sponsor : Teagasc
Title : Optimizing herbage composition to maximise production of milk and meat relative to urine N output
Start Date / End Date : 01-JAN-13 / 30-JUN-14
Sponsor : Teagasc
Title : Optimisation of Growth, Weed Control and Yield Estimation in Miscanthus Crops (Miscanthus Plus)
Start Date / End Date : 02-AUG-13 / 01-AUG-17
Sponsor : Teagasc
Title : Identification of the major factors affecting nitrogen use efficiency and nutritive value of forage maize production in Ireland
Start Date / End Date : 01-SEP-13 / 31-AUG-17
Sponsor : Enterprise Ireland (EI)
SAMCO Ltd
Title : Towards improving the energy yield of forage maize in marginal climates and determining the value of forage maize as a source of energy for milk production at grass
Start Date / End Date : 25-APR-13 / 24-JUL-15
Sponsor : Teagasc
Title : An assessment of the KT supports required by high profitability drystock farms
Start Date / End Date : 01-OCT-13 / 30-JUN-15
Sponsor : Irish Research Council (IRC)
Title : Identification of the maximum production potential of grassland to increase profitability on Irish beef farms on a national and regional basis
Start Date / End Date : 01-MAR-14 / 29-FEB-16
Sponsor : University College Dublin (UCD)
Title : Grass only and grass-white clover (Trifolium repens L.) swards: herbage production and white clover performance.
Start Date / End Date : 01-APR-14 / 30-SEP-15
Sponsor : Teagasc
Title : Review of advisory tools and methodologies to engage with 'hard to reach' drystock farmers
Start Date / End Date : 01-OCT-14 / 30-JUN-16
Sponsor : Teagasc
Title : Strategies to increase white clover use in intensive dairy production systems
Start Date / End Date : 01-OCT-11 / 30-SEP-15
Sponsor : Teagasc
Title : Attitudes of farmers and advisers to the promotion of low cost grass based systems (dairy)
Start Date / End Date : 01-OCT-12 / 30-JUN-14
Sponsor : Teagasc
Title : Attitudes of farmers and advisers to the promotion of low costs grass based systems (beef/sheep)
Start Date / End Date : 01-OCT-12 / 30-JUN-14
Sponsor : Teagasc
Title : Development of phenotyping and genotyping components of a perennial ryegrass marker development platform
Start Date / End Date : 01-MAY-11 / 13-MAY-16
Sponsor : Teagasc
Title : Quantification of pasture renovation and their impact on Irish grassland farms, determination of advanced reseeding strategies and herbicide application management
Start Date / End Date : 01-OCT-08 / 01-OCT-11
Sponsor : University College Dublin (UCD)
Title : Ground ear maize as a potentially substitute for cereal grain as an animal feedstuff which ultimately may lead to a greater availability of cereal grain for non agricultural uses.
Start Date / End Date : 26-MAY-08 / 01-NOV-11
Sponsor : Teagasc
Title : An investigation into the agronomic benefits of using nitrification inhibitors in autumn and spring
Start Date / End Date : 01-OCT-08 / 30-SEP-12
Sponsor : University College Dublin (UCD)
Title : Grass & Forage Science
Start Date / End Date : 01-JUL-08 / 30-JUN-11

Recent Postgraduates

Luca Cotecchia (MSc Agriculture)
Thomas Delaney (MAgrSc)
Daniel McLoughlin (MSc Agriculture)
PJ O Conoor (PhD)
Diarmuid Murphy (MAgrSc)
Shane Finnegan (MAgrSc) 

Current Postgraduate Students

Eamon Corcoran, Doctor of Philosophy (PhD)   -   Thesis Supervisor