Agricultural Research Forum 2015€¦ · Programme Agricultural Research Forum 2015 Monday 9th...

i

Provisional Programme

Agricultural Research Forum

2015

9th

& 10th

March

Incorporating the Annual Research Meeting of the

Irish Grassland and Animal Production

Association

(41st Annual Research Meeting)

Irish Tillage and Land Use Society

(23rd Annual Research Meeting)

Soil Science Society of Ireland

(38th Annual Research Meeting)

Irish Agricultural Economics Society


ii

Organising Committee

D. Kenny, Teagasc, Grange, Co. Meath.

P. O'Kiely, Teagasc, Grange, Co. Meath.

A. Moloney, Teagasc, Grange, Co. Meath.

F. Thorne, Teagasc, Ashtown, Dublin 15.

M. Danaher, Teagasc, Ashtown, Dublin 15.

D. Berry, Teagasc, Moorepark, Fermoy, Co. Cork.

M. O’Donovan, Teagasc, Moorepark, Fermoy, Co. Cork.

D. Forristal, Teagasc, Oak Park, Co. Carlow.

C. Boyle, Teagasc, HQ, Oak Park, Carlow.

E. Donald, Teagasc, HQ, Oak Park, Carlow.

K. Richards, Teagasc, Johnstown Castle, Co. Wexford.

B. Younge, University of Limerick, Limerick.

N. Holden, School of Agriculture, Food Science & Veterinary Medicine, UCD.

M. Wallace, School of Agriculture, Food Science & Veterinary Medicine, UCD.

T. McCabe, School of Agriculture, Food Science & Veterinary Medicine, UCD.

A. Kelly, School of Agriculture, Food Science & Veterinary Medicine, UCD.

A. Fahey, School of Agriculture, Food Science & Veterinary Medicine, UCD.

A. Gilsenan, (Secretary), Teagasc, Grange, Co. Meath.

M. McGee, (Chairperson), Teagasc, Grange, Co. Meath.

Disclaimer

Trade names and the names of commercial companies are used in these proceedings

solely to provide specific information. Mention of a trade name or manufacturer does

not constitute a guarantee or warranty of the product by any of the organising

associations, or endorsement by them over products not mentioned. The content of

each paper is the responsibility of the author(s).

Acknowledgements

Appreciation is expressed to Ann Gilsenan & Mary M. Murphy, Teagasc, Grange, for

assistance with the organising of this meeting and to Lynn Printers, Co. Meath for

publishing the proceedings. The organising committee appreciated the assistance

received from the management and staff of the Tullamore Court Hotel.

iii

Summary of Papers

Presented at the

Agricultural Research Forum 2015

Incorporating the

Irish Grassland and Animal Production Association

(41st Annual Research Meeting)

Irish Tillage and Land Use Society

(23rd Annual Research Meeting)

Soil Science Society of Ireland


Irish Agricultural Economics Society


Held at Tullamore Court Hotel

Monday and Tuesday, 9th

& 10th

March 2015.

ISBN: 978-1-84170-615-3

iv

Programme Agricultural Research Forum 2015

Monday 9th March 2015

Arrival & Tea/Coffee

Room D.E. Williams III

Room D.E. Williams II

10:30-13:00 Session 1A Fertilisers / Soils / Environment Chairperson: Dr David Wall

Session 1B Animal Health & Welfare I Chairperson: Dr Riona Sayers

13:00-14:00 Lunch in Restaurant 14.00-14.30 Plenary paper: The Irish Soil Information System, Dr Rachel Creamer

Chairperson: Dr Owen Fenton

14:30-16:00 Session 2A Soils Chairperson: Dr Owen Fenton

Session 2B Grassland Chairperson: Dr Deirdre Hennessy

15:45-16:15 Tea/coffee: 16:15-18:15 Session 3A

Livestock Systems Chairperson: Dr Paul Crosson

Session 3B Animal Breeds & Breeding Indexes Chairperson: Dr Noirin McHugh

Tuesday 10th March 2015

Room D.E. Williams III

Room D.E. Williams II

08:30-10:45 Session 4A Animal Nutrition & Feeding Chairperson: Dr Padraig O’Kiely

Session 4B Reproduction - Cattle Chairperson: Dr Sean Fair

10:40-11:00 Tea/coffee: 11:00-13:15 Session 5A

Systems / Knowledge Transfer/ Milk Technology Chairperson: Dr Padraig French

Session 5B Animal Health & Welfare II Chairperson: Dr Laura Boyle

13:00-14:15 Lunch in Restaurant 14:15-16:45 Session 6A

Grassland & Forage Chairperson: Dr Michael O’Donovan

Session 6B Animal Breeding/Molecular Biology Chairperson: Dr Paul Cormican

16:30… Tea/coffee:

v

PROVISIONAL PROGRAMME

Monday 9th

March 2015

Session 1A: Fertilisers / Soils / Environment

Venue D.E. Williams III

Chair Dr David Wall Teagasc, Johnstown Castle Environmental Research Centre, Co. Wexford

10-minute Theatre & 5-Minute Discussion

Page

10:30 Nitrogen fixation in grazed grass-white clover plots: effect of N fertiliser application rate

D. Enríquez-Hidalgo1,2

, T.J. Gilliland3, C. Elliott

2 and D. Hennessy

1

10:45 Comparing fertiliser nitrogen alternatives to calcium ammonium nitrate: the impact on nitrogen uptake

and fertiliser recovery in grassland

M. Harty1,3

, K. Richards1, G. Lanigan

1, D. Krol, D. Hennessy

1, R. Carolan

2, K. McGeough

2, C.

Watson2,3

, and P. Forrestal1.

11:00 Evaluating the effect of fertiliser nitrogen source on grain yield in spring malting barley

L. Roche1,3

, P.J. Forrestal1, K.G. Richards

1, G.J Lanigan

1, L.J. Shaw

3, M.J. Gooding

3, R. Hackett

2, and

D.P. Wall1

11:15 Development of a phosphorus critical source area index using high resolution digital elevation models

I. Thomas1, 4

, P.N.C. Murphy2, O. Shine

1, O. Fenton

3, P.-E. Mellander

1, P. Dunlop

4 and P. Jordan

4

11:30 Maintenance P applications for sustainable silage grass production in Northern Ireland

J.S. Bailey, J. Mellon and K. Hamill

11:45 Phosphorus loss from groundwater driven agricultural river catchments

P-E. Mellander1, P. Jordan

1,2, M. Shore

1, N.T. McDonald

1 and G. Shortle

1

12:00 CO2 emissions from temperate grassland under elevated soil temperature

A.B. Jansen-Willems1,2

, G.J. Lanigan1 and C. Mueller

2

12:15 The effect of mole drainage on background N2O emissions from an unfertilised clay-loam soil

N. Valbuena-Parralejo1,2

, P. Tuohy1, W. Burchill

3, G. Lanigan

3, M. Williams

2 and J. Humphreys

1

3-Minute Presentations

12:30 The effect of inorganic fertiliser nitrogen application rate, timing and type on the yield of forage maize

grown under film

E.M. Corcoran1,2

, P.O’Kiely2, T.J. Gilland

3, J.I. Burke

1 and M.B. Lynch

1

Assessing the environmental risks associated with newly revised P application limits for farmland in

NI

J.S. Bailey

Assessing the effectiveness of manure export as a strategy for reducing the P loading of grassland soils

J.S. Bailey

Suspended sediment fluxes in five intensive agricultural river catchments

S.C. Sherriff1,2

, J.S. Rowan2, A.R. Melland

3, P. Jordan

4, O. Fenton

1, and D. Ó hUallacháin

1

Kinetics of anaerobic co-digestion of pig manure and food waste

C. Dennehy1, P.G. Lawlor

2, G.E. Gardiner

3 and X. Zhan

1

Evaluation of environmental compliance of on-farm, fluidised bed combustion of poultry litter

J.J. Leahy, D. Lynch, A.M. Henihan, W. Kwapinski and J. O'Connor

Ammonia concentrations in ambient air, a monitoring campaign from June 2013 to July 2014

B.C. Doyle and T. Cummins,

vi

Monday 9th

March 2015

Session 1B: Animal Health & Welfare I

Venue D.E. Williams II

Chair Dr Riona Sayers

Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

10:30 Paratuberculosis in cattle: epidemiology, economic impact and control strategies

REVIEW PAPER A.B. Garcia, and L. Shalloo

11:00 Social network analysis of cattle positive for Johne’s disease by faecal culture, from

submissions to Cork Regional Veterinary Laboratory

C. Sánchez-Miguel1, J. Crilly

2 and J.F. Mee

3

11:15 A comparison of laboratory tests for the diagnosis of bovine paratuberculosis

E. Ramovic

11:30 Effects of major genes and genetic diseases on performance of Holstein Friesian dairy cattle

M.P. Mullen1, J.F. Kearney

2, S.M. Waters

1, R. Weld

3, P. Flynn

3, J.C. McClure

2, A.R. Cromie

2,

and M.C. McClure2.

11:45 The impact of infection with Schmallenberg virus on weaning rate in Irish sheep flocks

D. Barrett1 , D. Sammin

2, R. O’Neill

2, T.A. Clegg

3 and S.J. More

3

12:00 Prevalence and risk factors for limb and claw lesions and lameness in replacement and

pregnant gilts on Irish farms

J. Quinn1, 2

, L. E. Green2, A. L. KilBride

2, and L. A. Boyle

1


12:15 Preliminary investigation of production losses associated with MAP ELISA positive status

E. Kennedy, N. Byrne, A. Garcia, and R. Sayers

Sero-surveillance of Schmallenberg virus in Irish dairy herds using individual blood and bulk

milk samples

Á.B. Collins1, 2

, J. Grant3, A. Hallinan

4, M.L. Doherty

2, D. Barrett

5, and J.F. Mee

1

Prevalence and distribution of exposure to Schmallenberg virus in Irish cattle during

November 2012 to November 2013

D. Barrett1 , M. Casey,

2 B. Bradshaw

2, R. O’Neill

2, S More

3 and D. Sammin

2

Clinical investigation of arthritis and mastitis associated with Mycoplasma bovis in Irish dairy

herds in 2013 and 2014

W. Byrne1, J. O Rourke

1, W. Fitzgerald

2, T. Kent

3, and D. Barrett

4

Does a reduction in the number of anthelmintic treatments administered to lamb preweaning

incur a production penalty?

B. Good1 and J.P. Hanrahan

Effect of gestation feed intake on survival traits of piglets

K. Reid1, L. Boyle

1, R. Lefebrve

1, P.G. Lawlor

1, N.C. Stickland

2 and K. O’Driscoll

1

Variation between farms in tail lesion scores of slaughter pigs

N. van Staaveren1,2

, D. Teixeira2, A. Hanlon

1, and L. Boyle

2

vii

Monday 9th

March 2015

Plenary paper: Page


14:00 “The Irish Soil Information System”, Dr Rachel Creamer

Chair Dr Owen Fenton Teagasc, Johnstown Castle Environmental Research Centre, Co. Wexford

Session 2A: Soils




Page

14:30 Grasslands carbon sequestration potential

G. Torres1, 2

, B. Reidy1, G. Lanigan

1, K.A. Byrne

2 and R. Creamer

1.

14:45 Deriving bulk density from Pedotransfer functions to calculate accurate soil organic carbon stocks

I. Simo1, B. Reidy

1 and R. Creamer

1

15:00 Integrating soil characteristics, land management and soil microbial communities

A. Richter1,2

, E. Doyle1, N. Clipson

1, R.Creamer

2 and D.Ó hUallacháin

2

15:15 Phosphorus sorption and supply potential in grassland soils with contrasting chemical properties.

K. Daly1, D. Styles

2, S. Lalor

3 and D.P. Wall

1

15:30 Effects of meteorological and soil data on unsaturated time lag estimates

S.E. Vero1,2*

, T. G. Ibrahim3, R. E. Creamer

1, J. Grant

4, M.G. Healy

2, T. Henry

2, G. Kramers

5, K.G.

Richards1, and O. Fenton

1

15:45 Using sediment fingerprinting to target soil erosion management strategies

S.C. Sherriff1,2

, J.S. Rowan2, P. Jordan

3, O. Fenton

1, and D. Ó hUallacháin

1


16:00 Visual drainage assessment: another site specific alternative for land drainage design

P. Tuohy1,2

, J. Humphreys1, N.M. Holden

2, J. O’ Loughlin

1, B. Reidy

3 and O. Fenton

3

An Investigation into the Impact of an Aggregate Isolation Procedure on Microbial Community

Composition

A. Fox1,2

, G. Torres1,2

, A. Schmalenberger2, R. Creamer

1, and G. Lanigan

1

viii

Monday 9th

March 2015

Plenary paper: Page


14:00 “The Irish Soil Information System”, Dr Rachel Creamer


Session 2B: Grassland


Chair Dr Deirdre Hennessy Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

14:30 The production potential of multispecies swards at varying annual nitrogen inputs in the post establishment

year

C. Grace1, H. Sheridan

1, T.M. Boland

1, R. Fritch

1, L.Kirwan

2 and M.B. Lynch

1

14:45 Comparison of in vivo dry matter digestibility of cows and sheep offered grass differing in pre-grazing

herbage mass

B. Garry1,2

, E. Kennedy1, R. Baumont

3, T.M. Boland

2, M. M. Wright

4, M. O’Donovan

1, and E. Lewis

1

15:00 Milk production responses of lactating dairy cows to sward structure differences between perennial

ryegrass varieties

J. McDonagh1, 2

, M. McEvoy1, T. J. Gilliland

2,3 and M. O’Donovan

1


15:15 Finishing autumn-born bulls from pasture in the first half of the grazing season using concentrates

C. Lenehan1, 2

, A.P. Moloney1, E.G. O’Riordan

1, A. Kelly

2 and M. McGee

1

Concentrate supplementation of grazing suckler bulls: Effects on growth, carcass and meat quality

characteristics

D. Marren1, 2

, M. McGee1, A.P. Moloney

1, A. Kelly

2, M. Vilaseca

1, and E.G. O’Riordan

1

The effect of perennial ryegrass ploidy on sward clover proportion in a mixed sward across an entire

grazing season; two years after sowing

C. Guy12

, T. Gilliland23

, F. Coughlan1, M. Dineen

12 and B. McCarthy

1

The effects of supplementation with Co, alone or in combination with vitamin B12 and Se, on blood

metabolites and on trace elements in blood and other tissues of lambs grazing autumn pasture

T.W.J. Keady1, S.P. Fagan

2, and Hanrahan, J.P.

1

Effect of perennial ryegrass ploidy and nitrogen input on white clover content and stolon mass under

intensive grazing

J. McDonagh1, 2

, M. McEvoy1, T. J. Gilliland

2, 3 and M. O’Donovan

1

Effect of seeding ratio of mixed red clover and perennial ryegrass on sward DM yield

G. A. Burns1, E. J. Meehan

1, G. M. Hoppé

1 and T. J. Gilliland

2

Evaluation of dry matter yield of ryegrass varieties on Irish grassland farms

N. Byrne1, 3

, D.P. Berry1, A. Geogehgan

1, M.J. McEvoy

1, T.J. Gilliland

2, 3, and M. O’Donovan .

1

Effect of autumn closing date on dry matter intake and in vivo dry matter digestibility of spring grass

B. Garry1,2

, M. O’Donovan1, T.M. Boland

2 and E. Lewis

1

The effect of lime on soil phosphorus availability and grass production at two contrasting field sites

I. Fox1,2,3

, J.S. Bailey2, C. Watson

2,3, S.T.J Lalor

4, and D.P. Wall

Calibration of a decision support tool to enhance the precision of grass measurement in pasture based

farming systems

D. McSweeney1, C. Foley

1, P. Halton

2, and B. O’Brien

1

Comparison of IGER behaviour recorder and a commercially available activity meter for measuring

grazing duration

J. Moloney1,2

, E. Kennedy1, D.P. Berry

1, T. M. Boland

2 and F. Buckley

1.

ix

Monday 9th

March 2015

Session 3A: Livestock Systems


Chair Dr Paul Crosson Teagasc, AGRIC, Grange, Dunsany, Co. Meath


Page

16:15 Dairy cow milk production and herbage production in high stocking rate grass based systems from

fertilised grass clover swards

M.J. Egan1,2

, M.B. Lynch2, S. McAullife

1,3, and D. Hennessy

1

16:30 Relating the carbon footprint of milk from Irish dairy farms to economic performance

D. O’Brien1, T. Hennessy

2, B. Moran

2 and L. Shalloo

1

16:45 The effect of allocation method on the carbon footprint of milk and dairy derived beef

P. Rice1,2

, N.M.Holden2, L. Shalloo

1, P. Crosson

3, and D. O’Brien

1.

17:00 A comparison of late-maturing suckler-bred bulls and steers in two contrasting production systems

K. McMenamin1, 2

, D. Marren1, 2


1, A. Kelly

2 and E.G. O’Riordan

1

17:15 Effect of production systems on compositional and sensory qualities of bull beef

G.B. Mezgebo1, A.P. Moloney

2, E. O’Riordan

2, M. McGee

2, A. Kelly

1, I. Richardson

3, and F.J.

Monahan1.

17:30 A comparison of profitability of an early and mid-season lambing flock using a bio-economic model

A. Bohan 1, 2

, L. Shalloo1, T. M. Boland

2, P. Creighton

1, C.K.M. Ho

3, B. Malcolm

3, 4 and N. McHugh

1


17:45 A neural network model of Irish farmers’ perceptions of land mobility

M. Banovic1, A. Renwick

1, M.T. Keane

2 and P. Bogue

3

The production of suckler bulls at 16 months of age: a comparison of pasture and indoor finishing

K. McMenamin1, 2

, C. Lenehan1, 2


1, A. Kelly

2 and E.G. O’Riordan

1

Effects of castration on lamb quality 1: carcass proportions and meat quality characteristics

V. Campos1, P. Allen

2, T.W.J Keady

3, J P. Hanrahan

3, R.M. Hamill

2 and T. Sweeney

1

Effects of castration on lamb quality 2: sensory attributes

V. Campos1, T. Sweeney

1, P. Allen

2, J.P. Hanrahan

3, R.M. Hamill

2 and T.W.J. Keady

3

The duration of time for which varying pasture allowances are imposed effects milk solids

production in early lactation

E. Kennedy1, L. Delaby

2, J. Roche

3 and E. Lewis

1

x

Monday 9th

March 2015

Session 3B: Animal Breeds & Breeding Indexes


Chair Dr Noirin McHugh Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

16:15 Effect of stocking rate and animal genotype on milk production performance in spring calving dairy cows

E.L. Coffey1,2

, K.M. Pierce2, S. Fitzgerald

1 and B. Horan

1.

16:30 Stakeholder perspectives on including a milk quality sub-index in the Economic Breeding Index

M. Henchion 1, V. Resconi

1, M. McCarthy

2, D.P. Berry

3, and S. McParland

3

16:45 A novel index to rank dairy females on expected lifetime profit

M.M. Kelleher1,2

, P.R. Amer3, L. Shalloo

1, R.D. Evans

4, T.J. Byrne

3, F. Buckley

1 and D.P. Berry

1

17:00 Maternal performance of high and low replacement index cows during their first lactation

S. McCabe1,2

, N. McHugh3, N. O’Connell

2 and R. Prendiville

1

17:15 Genetic differences in beef terminal index is reflected in phenotypic carcass weight, conformation and

value differences in commercial Irish beef cattle

S.M. Connolly1, 2

, A.R. Cromie3, and D.P. Berry

1

17:30 The effect of stocking rate and prolificacy potential on carcass output and lamb performance from pasture

based production systems.

E. Earle1,2.

N. McHugh1,

T.M Boland2 and P. Creighton

1

17:45 An investigation into the effect of breed and gender on production traits of male lambs during indoor

finishing

N.A. Claffey1,2

, F.J. Monahan2, A.G. Fahey

2 and M.G. Diskin

1


18:00 Comparative milk production performance of ‘Elite’ and ‘National Average’ cows based on Economic

Breeding Index across a range of pasture-based systems.

M. O’Sullivan1,2

, S.McParland1, K.M. Pierce

2 and F. Buckley

1.

Comparison of dairy cow breeding goals for seasonal calving production systems

D.P. Berry1, M. Winters

2, J. Bryant

3, M.P. Coffey

4, and P. Amer

5.

Comparative live weight, body condition score at breeding and reproductive performance of heifers of

high and low replacement index

S. McCabe1,2

, N. McHugh3, N. O’Connell


1

Predicted phenotypic carcass meat yield and cut yields in animals divergent in genetic merit for the Irish

terminal index

S.M. Connolly1, 2

, A.R. Cromie3, and D.P. Berry

1

The effect of replacement rearing regime on body measurements of ewes differing in prolificacy

T.W.J. Keady and J.P. Hanrahan

xi

Tuesday 10th

March 2015

Session 4A: Animal Nutrition & Feeding


Chair Dr Padraig O’Kiely Teagasc, AGRIC, Grange, Dunsany, Co. Meath


Page

08:30

The effect of replacement rearing regime on the performance of 2-tooth ewes differing in prolificacy

T.W.J. Keady and J.P. Hanrahan

08:45 Effects of supplementary concentrate type and protein level on growth of suckler-bred weanling bulls

offered grass silage

C. Lenehan1, 2

, K. McMenamin1, 2


1, A. Kelly

2 and M. McGee

1

09:00 Effect of replacing barley with increasing levels of wheat dried distillers grains on intake, growth and

carcass traits of beef cattle

D. Magee1, 2

, A.P. Moloney1, A. Kelly

2, E.G. O’Riordan

1 and M. McGee

1

09:15 Sensory characteristics of muscle from heifers fed a lipid supplement in a grass or concentrate-based

ration

A.P. Moloney, C. Daly and 2R.I. Richardson

09:30 Effect of removal of in-feed antibiotics on performance and health indicators of pigs during the first

weaning stage

A. Diana 1, 2

, E.G. Manzanilla 1, R. Vial

1, N. Leonard

2 and L. Boyle

1

09:45 High-throughput sequencing of the faecal microbiome in pigs divergent for residual feed intake

S.G. Buzoianu1, U.M. McCormack

1,4, G.E. Gardiner

4, D.P. Berry

2, P.F. Varley

6, P.D. Cotter

3,5, O.

O’Sullivan3,5

, and P.G. Lawlor1

3-Minute Presentation

10:00 Can the digestible undegradable protein supply offered to ewes during late pregnancy affect lamb

performance?

R.S. Sebastiano1, T. Sweeney

1, B.Good

2, J.P Hanrahan

and T.W.J. Keady

2

Replacement of barley with increasing levels of maize dried distillers grains: intake, growth and

carcass characteristics of beef cattle

D. Magee1, 2


2, E.G. O’Riordan

1 and M. McGee

1

Intake and performance of beef cattle offered barley-based concentrates with increasing inclusion

levels of soya hulls

D. Magee1, 2


2, E.G. O’Riordan

1 and M. McGee

1

Effect of substituting barley with maize on the performance of suckler-bred bulls offered a high

concentrate diet

C. Lenehan1, 2


1, A. Kelly

2 and M. McGee

1

Effect of dietary restriction and compensatory growth on growth hormone and systemic IGF-1

synthesis in Holstein-Friesian bulls

K. Keogh1,2

, S.M. Waters1, A.K. Kelly

2 and D.A. Kenny

1

Effect of feed restriction and compensatory growth on insulin signalling in bovine skeletal muscle

K. Keogh1,2

, D.A. Kenny1, A.K. Kelly

2, and S.M. Waters

1

Effects of finishing strategy, genotype and level of concentrate supplementation on the performance

of dairy bulls slaughtered at 15 months of age

B. Murphy1,2,3

, A. K. Kelly3, B. Swan


1

Fatty acid composition and consumer assessment of burgers made from tissue from cattle fed a plant

or marine oil supplement

K. Munnelly1 , B.C. Moloney

1 and A. P. Moloney

2

Growth performance in pigs divergent for residual feed intake (RFI)

U.M. McCormack1, 2

, S.G. Buzoianu1, D. Berry

1, G.E Gardiner

2, E. Magowan

3, F. Mansoor

3, B. U.

Metzler-Zebeli4, and P.G Lawlor

1.

xii

Tuesday 10th

March 2015

Session 4B: Reproduction - Cattle


Chair Dr Sean Fair Faculty of Science and Engineering, University of Limerick, Limerick


Page

08:30

Establishment of critical timing of progesterone supplementation on corpus luteum and embryo

development in beef heifers

M.H. Parr1, 3

, S. Scully3, P. Lonergan

2, A.C.O. Evans

2, M.A. Crowe

3 and M.G. Diskin

1.

08:45 The relationship between tympanic temperature and onset of oestrus and ovulation in beef heifers

F. Randi, M. McDonald, P. Duffy, A.K. Kelly, and P. Lonergan

09:00 Examination of the effects of acute or chronic pasture restriction on indicators of cow fertility and

metabolic health status

F. Curran1, E. Kennedy

1, E. Lewis

1, P. Lonergan

2 and S.T Butler

1

09:15 The effect of type of carbohydrate supplementation during early lactation on indicators of health and

fertility in pasture-based dairy cows

S. Leane1,2

, C. R Burke3, S. McDougall

4, P. Lonergan

2 and S.T. Butler

1

09:30 Regional heritability mapping to identify genomic regions associated with reproductive traits in

Holstein-Friesian bulls

T.R. Carthy1,2

, K.E. Kemper3, D.P. Berry

1, R.D. Evans

4, and

J.E. Pryce

3

09:45

Effect of breed, plane of nutrition and age on systemic gonadotrophin and testosterone concentrations,

following a GnRH challenge in young dairy bulls

C. Byrne1, 2

, A.M. English1, 3

, S. Fair

3, P. Lonergan

2, M.A. Crowe

4 and D.A. Kenny

1

10:00 The use of in vitro assessments to predict bull fertility

S.A. Holden1, B. Fernandez

2, C. Murphy

1, A. O’Gorman

2,3, L. Brennan

2,3, S.T. Butler

4, P. Lonergan

2

and S. Fair

1

10:15 Effect of the sperm surface protein β-defensin 126 on the ability of bull sperm to penetrate cervical

mucus in vitro

B. Fernandez-Fuertes1, F. Narciandi

2, K. G. Meade

3, C. O’Farrelly

2, S. Fair

4 and P. Lonergan

1


10:30 The effect of dietary polyunsaturated fatty acid supplementation on semen volume and quality in

young post-pubertal dairy bulls

C. Byrne1, 2

, A.M. English1, 3

, S. Fair3, P. Lonergan

2 and D.A. Kenny

1

Role of sperm sialic acid in sperm-oocyte interaction

B. Fernandez-Fuertes1, S. Fair

2 and P. Lonergan

1

The effect of dystocia on subsequent performance in beef cows

N. McHugh1 and R.D. Evans

2

Strong genomic associations for reproductive performance identified on chromosome 18 in Holstein-

Friesian cattle

D.C Purfield1, J.F. Kearney

2 and D.P. Berry

1

Interleukin-8 SNP associated with both somatic cell score and calving interval in Holstein-Friesian

cattle

B. Stojkovic1, M.P. Mullen

2, McLoughlin, R

3, and K.G. Meade

1.

xiii

Tuesday 10th

March 2015

Session 5A: Systems / Knowledge Transfer/ Milk Technology


Chair Dr Padraig French Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

11:00 Bioeconomic modelling of alternative calving dates, production systems and grazing season lengths

for Irish suckler farms

P. Crosson and M. McGee

11:15 The relationship between Thoroughbred (TB) racehorse ownership and Irish racecourses

T. Ryan Charleton and J. Murphy

11:30 Attitudes of Northern Irish Producers and Advisors toward knowledge exchange and innovation

transfer

G. Finney, S.J. Morrison, M. Romero Oiartzun and G. Scoley.

11:45 The effect of storage duration and temperature on the total bacterial count of bulk tank milk.

O’Connell1, 2

, P.L. Ruegg2 and D. Gleeson

1

12.00 Use of mid-infrared spectroscopy to predict milk technological traits in grazing Irish dairy cows

G. Visentin1, 2

, A. McDermott1, 2

, S. McParland1, D.P. Berry

1, M.A. Fenelon

3 and M. De Marchi

2

12:15 Mid-infrared spectroscopy to predict free amino acids in cow milk

A. McDermott1,2

, G. Visentin1,2

, M. De Marchi2, P.M. O’Connor

3, O. Kenny

3, M. Fenlon

3 and

S.

McParland1


12:30 New Entrants into Irish Racehorse Ownership

T. Ryan Charleton and J. Murphy

Contribution of the horse industry to the economy of a rural community in Ireland

O. Jones, S. Arkins and B. Younge

The effect of reducing milking frequency in mid lactation on milk production and cow traffic in an

automatic milking system integrated with grazing

J. Shortall1, 2

, R. Sleator2, C. Foley

1 and B. O’Brien

1

Strategies to improve cow traffic and milk yield in late lactation for an automated milking system

integrated with grazing

C. Foley1, J. Shortall

1 and B. O’Brien

1

Labour input on Irish dairy farms

J. Deming1, 3

, T. O’Dwyer1, P. Clarke

2, D. Gleeson

1, A. Renwick

3 and B. O’Brien

1

Effect of omitting pre-milking teat preparation on bacterial levels in bulk tank milk

D. Gleeson1, B. O’Brien

1, and P. Edwards

2

Effectiveness of mid-infrared spectroscopy to predict milk colour

A. McDermott1, 2

, G. Visentin1, 2

, M. De Marchi2, O. Kenny

3, M. Fenlon

3 and

S. McParland

1

xiv

Tuesday 10th

March 2015

Session 5B: Animal Health & Welfare II


Chair Dr Laura Boyle Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

11:00 Bovine Genetic Disease and Major Gene Irish Frequencies: A National perspective on Commercial

and Purebreed Cattle

M.C. McClure1, S.M. Waters

2, J.F. Kearney

1, J.C. McClure

1, A.R. Cromie

1, P. Flynn

3, R. Weld

3, and

M.P. Mullen2.

11:15 Effect of bacteria level in colostrum on dairy heifer serum IgG concentration and pre-weaning

growth rate.

C. Cummins1, 2,

I. Lorenz2 and E. Kennedy

1

11:30 Efficacy of vaccination on the incidence of subclinical mastitis in primiparous Irish dairy cows

N. Ryan1, S. McParland

1, K. Reyher

2 and S. Arkins

3

11:45 Effect of feed allowance at pasture on behaviour and locomotory ability of dairy cows

K. O'Driscoll, E. Lewis, and E. Kennedy

12:00 Effect of floor type on welfare variables and performance of beef bulls

M. Keane1,2

, M. McGee1, E.G. O’Riordan

1, A.K. Kelly

2, and B. Earley

1

12:15 Can the supply of digestible undegradable protein offered to ewes during late pregnancy affect lamb

parasitism?

R.S. Sebastiano1, T. Sweeney

1, T.W. J Keady

2 J.P. Hanrahan, K. Thornton

1, and B. Good

2

12:30 Weight as a basis for targeted selective anthelmintic treatment of lambs

J. Devoy Keegan1,2

, O.M. Keane1, C. Lynch

3, H. Walsh

3 and B. Good

3


12:45 Comparison of two methods to determine bovine colostrum quality on farm

A. Ashfield1, S. Morrison

1, B. Waters

1, B. Lagan

1, M. Cooper

2 and M. Welsh

3

An investigation of the association between calf hygiene practices and calf morbidity and mortality

on Irish dairy farms

C. Cummins1,2

, R. Sayers1, I. Lorenz

2 and E. Kennedy

1

Prevalence of Fasciola hepatica in Irish sheep flocks in 2014: Preliminary results.

M.P. Munita1, N. Byrne

1, K. Lawlor

2, A.M. Martinez

1, G. Mulcahy

2 M. Sekiya

2, and R. Sayers

1

Preliminary study of prevalence of rumen fluke in Irish flocks

A.M. Martinez-Ibeas1, N. Byrne

1, K. Lawlor

2, M.P. Munita

1, G. Mulcahy

2, M. Sekiya

2, and R. Sayers

1

Widespread failure of anthelmintic drench tests on Irish farms in the sheep technology adoption

program

J.D. Keegan1, O.M. Keane

1, B. Good

2, M. Gottstein

3 D.T. de Waal

4, J. Fanning

5, C. Hurley

6, M.

Casey7 and M. Sheehan

6

Can digestible undegradable protein supply offered to ewes in late pregnancy affect the periparturient

parasite egg count of mature ewes?

B. Good1, R.S. Sebastiano

2, T.W.J Keady

2 , J.P. Hanrahan, and T. Sweeney

2

The relationship between tail lesion scores and viscera condemnations in slaughter pigs

D. Teixeira1, S. Harley

2, A. Hanlon

2, N. O’Connell

3, S. More

2, E. Manzanilla

1 and L. Boyle

1

xv

Tuesday 10th

March 2015

Session 6A: Grassland & Forage


Chair Dr Michael O’Donovan Teagasc, AGRIC, Moorepark, Fermoy, Co. Cork


Page

14:15 The effect of tetraploid and diploid swards sown with and without clover on milk production.

M. Dineen1,2

, T. Gilliland2,3

, F. Coughlan1 and B. McCarthy

1.

14:30 The effects of soil loosening on herbage dry matter yield from grassland sites in Northern Ireland

J. D. Browne and J. P. Frost

14:45 Modelling the economic consequences of increasing stocking rate and supplementation levels

E. Ruelle 1, 2

, L. Delaby, M. Wallace and L. Shalloo

15:00 Is it economically beneficial to sow forage maize under plastic mulch in Northern Ireland?

E. J. Meehan1, G. A. Burns

1, G. M. Hoppé


2


15:15 The effect of stocking rate and ewe prolificacy potential on grass utilisation per hectare, per ewe and per

kilogram of lamb carcass produced

P. Creighton1, A. Monahan

1 and E. Earle

1, 2.

The effect of pasture allowance offered for different durations of time on the dry matter intake of early

lactation dairy cows

S. Cummins1,2

, E. Kennedy1, K.M. Pierce

2 and E. Lewis

1

Inter-relationships among alternative definitions of feed efficiency in grazing lactating dairy cows

A.M. Hurley1,2

, N. López-Villalobos2, S. McParland

1, E. Kennedy

1, E. Lewis

1, M. O'Donovan

1, and D.P.

Berry1

Inter-relationships among alternative definitions of feed efficiency in grazing lactating dairy cows across

parities and lactation stages

A.M. Hurley1,2

, N. López-Villalobos2, S. McParland

1, E. Kennedy

1, E. Lewis

1, M. O'Donovan

1, and D.P.

Berry1

Water required for grass growth on Irish dairy farms.

E. Murphy1, T. Curran

2, N.Holden

2 and J. Upton

1

Effect of white clover seed inclusion rates with tetraploid, diploid and mixed perennial ryegrass under

simulated grazing and animal grazing

M. Egan1, 2

, M.B. Lynch2, and D. Hennessy

1

Using principle component analysis to select representative calibration sample sets for near infrared

spectroscopy prediction of crude protein

G. A. Burns1,2,3

, P. O’Kiely1, D. Grogan


2,3,5

Evaluation of the effects of enzyme additives on fibre characteristics of grass silages

P. Nolan1, 2

, E.M. Doyle2, R.Murphy

3 and P. O’Kiely

1

An investigation to establish the effect of geographical location, film type and variety on the production

of forage maize

S. Kirwan1, E. M. Corcoran

1, A. K. Kelly

1, R. Shine

2 and M. B. Lynch

1

A one year national survey of mycotoxins in Irish farm silages.

C. McElhinney 1, 2, 3

, M. Danaher 3, C. Elliott

2, and P. O'Kiely

1

Mapping high nature value farmland distribution in Irish uplands

S. Matin, S. Green and B. Clifford

First year growth from an alley coppice land use system in Ireland

R.J. Lunny1, 2, 3

, J.H. McAdam1, 2

and G.C. Douglas3

xvi

Tuesday 10th

March 2015

Session 6B: Animal Breeding / Molecular Biology


Chair Dr Paul Cormican Teagasc, AGRIC, Grange, Dunsany, Co. Meath


Page

14:15 Whole genome-enabled predictions of carcass merit in a multi-breed cattle population

D.P. Berry1, D. Purfield

1, R.D. Evans

2, T. Pabiou

2 and J.F Kearney

2

14:30 Refinement of the genomic regions on chromosome 18 associated with direct calving difficulty using

sequence data

D.C Purfield1, R.D. Evans

2, J.F. Kearney

2 and D.P. Berry

1

14:45 Low density genotype panels for dairy and beef cattle

M.M. Judge1, 2

, J.F. Kearney3, M.C. McClure

3, and D.P. Berry

1

15:00 Young bull genetic growth profile for carcass weight

T.M. Englishby1, 2

, R.D. Evans3, G. Banos

1, M.P. Coffey

1, K.L. Moore

1 and

D.P. Berry

2

15:15 Genetic (co)variances of Gompertz growth function parameters in pigs

J.M. Coyne1, 2, 3

, M-L. Sevon-Aimonen2, D.P. Berry

1, E. A. Mäntysaari

2, J. Juga

3 and N. McHugh

1

15:30 A comparison of the whole blood mRNA transcriptome, between Holstein–Friesian and Jersey calves,

preceding and succeeding gradual weaning

D. Johnston1,2

, D.A. Kenny1, P. Cormican

1, M. McGee

1, S.M. Waters

1, A.K. Kelly

2, M. McCabe

1,

and

B. Earley1

15:45 Illumina MiSeq amplicon sequencing reveals decimation of an uncharacterised highly abundant

putative Succinivibrionaceae species and an increase in methanogens in feed restricted cattle

M.S. McCabe1, P. Cormican

1, K. Keogh

1, E. O’Hara

1, A.R. Palladino

2, D.A. Kenny

1 and S.M. Waters

1

16:00 Comparison of sheep breeding objectives in New Zealand and Ireland

N. McHugh1, T.J. Byrne

2, P.R. Amer

2 and B.F.S. Santos

2


16:15 Genomic breed prediction in Irish dairy and beef cattle

M.M. Kelleher1, J.F. Kearney

2 and D. Purfield

1

Imputation accuracy from high density genotypes to whole genome sequence in cattle

D.C Purfield

High accuracy of imputation from the Irish custom bovine genotype panel to higher density genotypes

D.P. Berry1, M. Judge

1 and M. McClure

2.

Association between polymorphisms in the Stearoyl coA Desaturase and Retinoic Acid Orphan

Receptor C genes and milk and carcass quality traits in Holstein-Friesian cows

R. M. Hamill1, M.C. McClure

2, S.M. Waters

3, J.F. Kearney

2, A.R. Cromie

1, P. Flynn

5, R. Weld

5, D.P.

Berry4 and M.P. Mullen

3.

Association analysis of SNPs in Calpain and Calpastatin genes with production traits in Holstein-

Friesian cows

R. M. Hamill1, M.C. McClure

2, S.M. Waters

3, J.F. Kearney

2, A.R. Cromie

1, P. Flynn

4, R. Weld

4 and

M.P. Mullen3.

Genetic relationships between detailed reproductive traits and milk production in dairy cows

T.R. Carthy1,2

, D.P. Ryan3, R.D. Evans

4 and

D.P. Berry

1

Genetic relationships between detailed reproductive traits with body condition score and carcass traits

in dairy cows

T.R. Carthy1,2

, D.P. Ryan3, R.D. Evans

4 and

D.P. Berry

1

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