Sustainable Agriculture Sciences North Wyke

Title	Sustainable Agriculture Sciences North Wyke
Type	Science Department
Institute	Rothamsted Research
Head	Adrian Collins
Executive Assistant	Berenice Firth

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New methods for identification and evaluation of intake characteristics of grass varieties

G - Articles in popular magazines and other technical publications

Orr, R. J. and Cook, J. E. 2003. New methods for identification and evaluation of intake characteristics of grass varieties. IGER Innovations. 7, pp. 30-33.

Development of a sward box methodology for the rapid screening of bite mass in grass varieties intended for grazing

C1 - Edited contributions to conferences/learned societies

Young, K. L., Cook, J. E., Champion, R. A. and Orr, R. J. 2003. Development of a sward box methodology for the rapid screening of bite mass in grass varieties intended for grazing. BGS Organising Committee (ed.) Proceedings 7th British Grassland Society (BGS) Research Meeting, Aberystwyth, UK, 1-3 September 2003. pp. 73-74

Morphological, chemical and intake characteristics of grass varieties grazed by sheep under continuous stocking management

C1 - Edited contributions to conferences/learned societies

Cook, J. E., Champion, R. A. and Orr, R. J. 2003. Morphological, chemical and intake characteristics of grass varieties grazed by sheep under continuous stocking management. BGS Organising Committee (ed.) Proceedings 7th British Grassland Society (BGS) Research Conference, Aberystwyth, UK, 1-3 September 2003. pp. 21-22

Intake characteristics of perennial ryegrass varieties when grazed by sheep under continuous stocking management.

A - Papers appearing in refereed journals

Orr, R. J., Cook, J. E., Champion, R. A., Penning, P. D. and Rook, A. J. 2003. Intake characteristics of perennial ryegrass varieties when grazed by sheep under continuous stocking management. Euphytica. 134 (3), pp. 247-260. https://doi.org/10.1023/B:EUPH.0000004949.49050.78

Spatial organization of the glucosinolate-myrosinase system in brassica specialist aphids is similar to that of the host plant

A - Papers appearing in refereed journals

Bridges, M., Jones, A. M. E., Bones, A. M., Hodgson, C. J., Cole, R., Bartlet, E., Wallsgrove, R. M., Karapapa, V. K., Watts, N. and Rossiter, J. T. 2002. Spatial organization of the glucosinolate-myrosinase system in brassica specialist aphids is similar to that of the host plant. Proceedings of the Royal Society of London Series B Biological Sciences. 269 (1487), pp. 187-191. https://doi.org/10.1098/rspb.2001.1861

Intake and dietary choices by grazing ruminants, effects of time of day and water soluble carbohydrate content in forage

C2 - Non-edited contributions to conferences

Rook, A. J., Orr, R. J., Rutter, S. M. and Moorby, J. M. 2002. Intake and dietary choices by grazing ruminants, effects of time of day and water soluble carbohydrate content in forage. American Society of Agronomy Annual Meeting, Indianapolis, Nov 11-14 2002.

Ingestive behaviour of heifers grazing monocultures of ryegrass or white clover

A - Papers appearing in refereed journals

Rutter, S. M., Orr, R. J., Penning, P. D., Yarrow, N. H. and Champion, R. A. 2002. Ingestive behaviour of heifers grazing monocultures of ryegrass or white clover. Applied Animal Behaviour Science. 76 (1), pp. 1-9. https://doi.org/10.1016/S0168-1591(01)00205-2

Effect of long-term changes in relative resource availability on dietary preference of sheep for perennial ryegrass and white clover

A - Papers appearing in refereed journals

Rook, A. J., Harvey, A., Parsons, A. J., Penning, P. D. and Orr, R. J. 2002. Effect of long-term changes in relative resource availability on dietary preference of sheep for perennial ryegrass and white clover. Grass and Forage Science. 57 (1), pp. 54-60. https://doi.org/10.1046/j.1365-2494.2002.00301.x

Ingestive behaviour and management of animals at pasture

C1 - Edited contributions to conferences/learned societies

Gibb, M. J., Orr, R. J., Rutter, S. M. and Huckle, C. A. 2001. Ingestive behaviour and management of animals at pasture. Wade, M. H. (ed.) Manejo del Pastoreo. Meeting of the Argentinean Association of Animal Production, Universidad Nacional de Lujan, Argentina, November 2001.

Evaluation of perennial ryegrass varieties under frequent cutting or continuous stocking with sheep

A - Papers appearing in refereed journals

Orr, R. J., Martyn, T. M. and Clements, R. O. 2001. Evaluation of perennial ryegrass varieties under frequent cutting or continuous stocking with sheep. International Journal of Plant Varieties and Seeds. 14, pp. 181-199.

Low-input heifer beef

G - Articles in popular magazines and other technical publications

Orr, R. J. 2001. Low-input heifer beef. Mole Livestock Initiative Update. 2 (July), p. p2.

Fast maturing Charolais cross Holstein heifers come up trumps

G - Articles in popular magazines and other technical publications

Orr, R. J. and Snaith, L. 2001. Fast maturing Charolais cross Holstein heifers come up trumps. Farmers Guardian. (6 April), p. p1.

Practice into profit with low input dairy bred Charolais crosses

G - Articles in popular magazines and other technical publications

Orr, R. J. and Snaith, L. 2001. Practice into profit with low input dairy bred Charolais crosses. (6).

Preference for grass and clover by dairy cattle: is free choice important?

C1 - Edited contributions to conferences/learned societies

Rutter, S. M., Nuthall, R., Champion, R. A., Orr, R. J. and Rook, A. J. 2001. Preference for grass and clover by dairy cattle: is free choice important? Garner, J. P., Mench, J. A. and Heekin, S. P. (ed.) 35th International Congress of the International Society for Applied Ethology (ISAE), Davis, California, USA, 4-8 August 2001. pp. 039

Intake rate during meals and meal duration for sheep in different hunger states, grazing grass or white clover swards

A - Papers appearing in refereed journals

Orr, R. J., Penning, P. D., Rutter, S. M., Champion, R. A., Harvey, A. and Rook, A. J. 2001. Intake rate during meals and meal duration for sheep in different hunger states, grazing grass or white clover swards. Applied Animal Behaviour Science. 75, pp. 33-45. https://doi.org/10.1016/S0168-1591(01)00176-9

Intake characteristics and performance of contrasting grass varieties continuously stocked with sheep

C1 - Edited contributions to conferences/learned societies

Orr, R. J., Cook, J. E., Champion, R. A. and Rook, A. J. 2001. Intake characteristics and performance of contrasting grass varieties continuously stocked with sheep. Gomide, J. A., Mattos, W. R. S. and Carneiro da Silva, S. (ed.) Grassland Ecosystems: an Outlook into the 21st Century. Proceedings 19th International Grassland Congress, Sao Paulo, Brazil, 10-21 February 2001. Theme 13: Plant Improvement. pp. 529-530

Matching grass supply to grazing patterns for dairy cows

A - Papers appearing in refereed journals

Orr, R. J., Rutter, S. M., Penning, P. D. and Rook, A. J. 2001. Matching grass supply to grazing patterns for dairy cows. Grass and Forage Science. 56 (4), pp. 352-361. https://doi.org/10.1046/j.1365-2494.2001.00284.x

Predicting metal solubility in contaminated soil

C2 - Non-edited contributions to conferences

Tye, A. M., Young, S. D., Crout, N. M. J., Zhang, H., Preston, S., Barbosa-Jefferson, V. L., Tandy, S., Davison, W., McGrath, S. P. and Paton, G. I. 2000. Predicting metal solubility in contaminated soil. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Assessment of the bioavailability of metals in soil using luminescence-based microbial biosensors. An inter- disciplinary approach

C2 - Non-edited contributions to conferences

Preston, S., Barbosa-Jefferson, V. L., Tandy, S., Zhang, H., Tye, A., Crout, N., Young, S., Davison, W., McGrath, S. P., Killham, K. and Paton, G. I. 2000. Assessment of the bioavailability of metals in soil using luminescence-based microbial biosensors. An inter- disciplinary approach. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

A new approach to the evaluation of herbage varieties under grazing

D1 - Technical reports: non-confidential

Orr, R. J. 2000. A new approach to the evaluation of herbage varieties under grazing.

Making a profit from grassland

G - Articles in popular magazines and other technical publications

Orr, R. J. and Trewin, C. 2000. Making a profit from grassland. Western Morning News (Devon). (26 July).

Clover enriched herbage boosts margins

G - Articles in popular magazines and other technical publications

Orr, R. J. and King, G. 2000. Clover enriched herbage boosts margins. Farming News. (20 July), p. p19.

Benefits from using clover

G - Articles in popular magazines and other technical publications

Orr, R. J. and Newton, K. 2000. Benefits from using clover. Farmers Guardian. (4 August), p. p11.

Assessing grass variety performance under sheep grazing

G - Articles in popular magazines and other technical publications

Orr, R. J. 2000. Assessing grass variety performance under sheep grazing. Sheep Dairy News - Journal of the Sheep Dairying Association. 17, pp. 15-18.

Key to low input production

G - Articles in popular magazines and other technical publications

Orr, R. J. 2000. Key to low input production. Beef Farmer. Summer, pp. 26-28.

Practice into profit: low-input heifer beef production

C1 - Edited contributions to conferences/learned societies

Yarrow, N. H., Orr, R. J. and Shields, R. W. 2000. Practice into profit: low-input heifer beef production. Pullar, D. (ed.) Beef from Grass and Forage. British Grassland Society, Winter Meeting, Stafford, November 2000. British Grassland Society Occasional Symposium, 35. pp. 173-174

Ingestive behaviour of dairy heifers grazing grass or white clover swards under rotational stocking management

C2 - Non-edited contributions to conferences

Orr, R. J., Rutter, S. M., Penning, P. D., Yarrow, N. H., Champion, R. A. and Rook, A. J. 2000. Ingestive behaviour of dairy heifers grazing grass or white clover swards under rotational stocking management. Proceedings 6th British Grassland Society Research Conference, Aberdeen, 11-13 September 2000. pp. 41-42

Evaluation of herbage varieties under continuous stocking

C1 - Edited contributions to conferences/learned societies

Orr, R. J., Cook, J. E., Atkinson, L. D., Clements, R. O. and Martyn, T. M. 2000. Evaluation of herbage varieties under continuous stocking. Rook, A. J. and Penning, P. D. (ed.) Grazing Management: the Principles and Practice of Grazing, for Profit and Environmental Gain, within Temperate Grassland Systems. British Grassland Society (BGS) Occasional Symposium, 34, Harrogate, 29 February - 2 March 2000. British Grassland Society (BGS) Hurley. pp. 39-44

Intake rate, grazing time and daily intake by sheep grazing perennial ryegrass varieties under continuous stocking management

C2 - Non-edited contributions to conferences

Cook, J. E., Champion, R. A., Orr, R. J. and Rook, A. J. 2000. Intake rate, grazing time and daily intake by sheep grazing perennial ryegrass varieties under continuous stocking management. Proceedings 6th British Grassland Society Research Conference, Aberdeen, 11-13 September 2000. pp. 67-68

Dietary preference for grass and white clover in sheep and cattle: an overview

C1 - Edited contributions to conferences/learned societies

Rutter, S. M. and Orr, R. J. 2000. Dietary preference for grass and white clover in sheep and cattle: an overview. Rook, A. J. and Penning, P. D. (ed.) Grazing Management: the Principles and Practice of Grazing, for Profit and Environmental Gain, within Temperate Grassland Systems. British Grassland Society (BGS) Occasional Symposium, 34, Harrogate, 29 February - 2 March 2000. British Grassland Society (BGS) Hurley. pp. 73-78

Dietary preference of sheep for perennial ryegrass and white clover at contrasting sward surface heights

A - Papers appearing in refereed journals

Harvey, A., Parsons, A. J., Rook, A. J., Penning, P. D. and Orr, R. J. 2000. Dietary preference of sheep for perennial ryegrass and white clover at contrasting sward surface heights. Grass and Forage Science. 55 (3), pp. 242-252. https://doi.org/10.1046/j.1365-2494.2000.00222.x

The assessment of quality - grazing and intake

C2 - Non-edited contributions to conferences

Orr, R. J. 1999. The assessment of quality - grazing and intake. Novel Material and the Assessment of Quality, Quality Feeds Theme Development Group Workshop IGER, Aberystwyth, 12 January 1999.

Matching food supply to animals' natural meal patterns

C2 - Non-edited contributions to conferences

Rook, A. J., Gibb, M. J. and Orr, R. J. 1999. Matching food supply to animals' natural meal patterns. Fifth International Symposium on the Nutrition of Herbivores, San Antonio, Texas, USA, 11-16 April 1999.

Long-term dietary preference for grass and clover in dairy cows

C2 - Non-edited contributions to conferences

Rutter, S. M., Orr, R. J., Yarrow, N. H., Champion, R. A., Atkinson, L. D. and Cook, J. E. 1999. Long-term dietary preference for grass and clover in dairy cows. Fifth International Symposium on the Nutrition of Herbivores, San Antonio, Texas, USA, 11-16 April 1999.

How do cattle and sheep alter ingestive behaviour in response to changes in sward state?

C1 - Edited contributions to conferences/learned societies

Penning, P. D., Orr, R. J., Parsons, A. J. and Harvey, A. 1999. How do cattle and sheep alter ingestive behaviour in response to changes in sward state? Buchanan-Smith, J. G., Bailey, L. D. and McCaughey, P. (ed.) Grasslands 2000, Proceedings of the XVIII International Grassland Congress, Winnipeg, Manitoba, Saskatoon, Saskatchewan, Canada, 8-17 June 1997 (Vol 1). Canadian Forage Council, Can Soc Agron, Can Soc Anim Sci.

Efficient use of grazed herbage by dairy cows

D1 - Technical reports: non-confidential

Orr, R. J. 1998. Efficient use of grazed herbage by dairy cows. Institute of Grassland and Environmental Research IGER, North Wyke Okehampton.

Techniques for measuring bite dimensions and movement patterns within and between grazing bouts for cattle and sheep

C1 - Edited contributions to conferences/learned societies

Harvey, A. and Orr, R. J. 1998. Techniques for measuring bite dimensions and movement patterns within and between grazing bouts for cattle and sheep. Gibb, M. J. (ed.) Techniques for Investigating Intake and Ingestive Behaviour by Farm Animals, Proceedings of the Ninth European Intake Workshop, IGER North Wyke, UK, 18-20 November 1998. Institute of Grassland and Environmental Research, IGER, Aberystwyth. pp. 79-80

Movement patterns of sheep and cattle within and between continuous short-term grazing bouts

C1 - Edited contributions to conferences/learned societies

Harvey, A., Parsons, A. J., Orr, R. J., Rutter, S. M. and Rook, A. J. 1998. Movement patterns of sheep and cattle within and between continuous short-term grazing bouts. Veissier, I. and Boissy, A. (ed.) Proceedings of the 32nd International Congress of the International Society of Applied Ethology (ISAE), Clermont-Ferrand, France, 21-25 July 1998.

Matching grass supply to grazing patterns for dairy cows under strip-grazing management

C2 - Non-edited contributions to conferences

Orr, R. J., Rutter, S. M., Penning, P. D., Yarrow, N. H., Atkinson, L. D. and Champion, R. A. 1998. Matching grass supply to grazing patterns for dairy cows under strip-grazing management. Proceedings of the British Society of Animal Science Winter Meeting, Scarborough, UK, 23-25 March 1998. BSAS, Penicuik, UK. pp. 49

Dietary preference of dairy cows grazing grass and clover

C2 - Non-edited contributions to conferences

Rutter, S. M., Orr, R. J., Penning, P. D., Yarrow, N. H., Champion, R. A. and Atkinson, L. D. 1998. Dietary preference of dairy cows grazing grass and clover. Proceedings of the British Society of Animal Science Winter Meeting, Scarborough, UK, 23-25 March 1998. BSAS, Penicuik, UK. pp. 51