Sustainable Agriculture Sciences North Wyke
| Title | Sustainable Agriculture Sciences North Wyke |
|---|---|
| Type | Science Department |
| Institute | Rothamsted Research |
| Head | Adrian Collins |
| Executive Assistant | Berenice Firth |
Outputs
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Costs of locomotive and ingestive behaviour by sheep grazing grass or clover monocultures or mixtures of the two species
C1 - Edited contributions to conferences/learned societies
Champion, R. A., Rutter, S. M., Orr, R. J. and Penning, P. D. 1998. Costs of locomotive and ingestive behaviour by sheep grazing grass or clover monocultures or mixtures of the two species. 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.
Behavioural and physiological factors limiting intake by grazing ruminants
C1 - Edited contributions to conferences/learned societies
Penning, P. D., Gibb, M. J., Parsons, A. J., Orr, R. J. and Harvey, A. 1998. Behavioural and physiological factors limiting intake by grazing ruminants. Keane, M. G. and O'Riordan, E. (ed.) Extensification of Beef and Sheep Production on Grasslands, Proceedings of Pasture Ecology and Animal Intake Groups Joint Meeting, St Patrick's College, Drumcondra, Dublin, Ireland, 24-25 September 1996. pp. 10-20
Sward state and ingestive behaviour by Friesian dairy heifers under rotational grazing
C2 - Non-edited contributions to conferences
Orr, R. J., Rutter, S. M., Penning, P. D., Yarrow, N. H. and Champion, R. A. 1997. Sward state and ingestive behaviour by Friesian dairy heifers under rotational grazing. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 51-52
Rates of passage of digesta in sheep grazing grass or white clover
C2 - Non-edited contributions to conferences
Kelly, C. L., Penning, P. D., Orr, R. J. and Champion, R. A. 1997. Rates of passage of digesta in sheep grazing grass or white clover. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 181-182
Grazing behaviour of ruminants
G - Articles in popular magazines and other technical publications
Gibb, M. J. and Orr, R. J. 1997. Grazing behaviour of ruminants. IGER Innovations. 1, pp. 54-57.
Does supplementation with different feed types alter the preference by grazing ewes for grass and clover?
C2 - Non-edited contributions to conferences
Harvey, A., Orr, R. J. and Penning, P. D. 1997. Does supplementation with different feed types alter the preference by grazing ewes for grass and clover? British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 177-178
Diurnal patterns of intake rate by sheep grazing monocultures of ryegrass or white clover
A - Papers appearing in refereed journals
Orr, R. J., Penning, P. D., Harvey, A. and Champion, R. A. 1997. Diurnal patterns of intake rate by sheep grazing monocultures of ryegrass or white clover. Applied Animal Behaviour Science. 52, pp. 65-77.
Distinguishing bites and chews in recordings of the grazing jaw movements of cattle
C2 - Non-edited contributions to conferences
Champion, R. A., Rutter, S. M. and Orr, R. J. 1997. Distinguishing bites and chews in recordings of the grazing jaw movements of cattle. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 171-172
Dietary preferences of domestic ruminants
C1 - Edited contributions to conferences/learned societies
Rutter, S. M., Penning, P. D., Parsons, A. J., Harvey, A. and Orr, R. J. 1997. Dietary preferences of domestic ruminants. Forbes, J. M., Lawrence, T. L. J., Rodway, R. G. and Varley, M. A. (ed.) Animal Choices, British Society of Animal Science Occasional Publication No 20. BSAS, Edinburgh. pp. 96-97
Diet preferences of adult sheep and goats grazing ryegrass and white clover
A - Papers appearing in refereed journals
Penning, P. D., Newman, J. A., Parsons, A. J., Harvey, A. and Orr, R. J. 1997. Diet preferences of adult sheep and goats grazing ryegrass and white clover. Small Ruminant Research. 24, pp. 175-184. https://doi.org/10.1051/animres:19950583
Bite dimensions and grazing severity for cattle and sheep
C2 - Non-edited contributions to conferences
Orr, R. J., Harvey, A., Kelly, C. L. and Penning, P. D. 1997. Bite dimensions and grazing severity for cattle and sheep. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 185-186
An algorithm for the automatic processing of recordings of foraging behaviour by cattle
C1 - Edited contributions to conferences/learned societies
Rutter, S. M., Penning, P. D., Rook, A. J., Orr, R. J., Gibb, M. J., Champion, R. A. and Huckle, C. A. 1997. An algorithm for the automatic processing of recordings of foraging behaviour by cattle. Hemsworth, P. and Spinka, M. (ed.) Proceedings of the 31st International Congress of the International Society for Applied Ethology, Prague, Czech Republic, 13-16 August 1997. pp. 216
Foraging behaviour of free ranging domestic ruminants
C1 - Edited contributions to conferences/learned societies
Rutter, S. M., Penning, P. D., Parsons, A. J., Harvey, A. and Orr, R. J. 1996. Foraging behaviour of free ranging domestic ruminants. Mini-symposium on diet selection in animals and man, Grassmere, Cumbria, 1-4 July 1996.
Why can't dairy heifers graze clover quicker than grass?
C1 - Edited contributions to conferences/learned societies
Rutter, S. M., Penning, P. D., Champion, R. A. and Orr, R. J. 1996. Why can't dairy heifers graze clover quicker than grass? Duncan, I. J. H., Widowski, T. M. and Haley, D. B. (ed.) Proceedings of the 30th International Congress of the International Society of Applied Ethology (ISAE), Col K L Campbell Centre for the Study of Animal Welfare, Guelph, Ontario, Canada, 14-17 August 1996. University of Guelph, Centre for the Study of Animal Welfare. pp. 134
The effects of spatial aggregation of grass and clover swards grazed by sheep on diet and sward composition
C2 - Non-edited contributions to conferences
Harvey, A. and Orr, R. J. 1996. The effects of spatial aggregation of grass and clover swards grazed by sheep on diet and sward composition. Proceedings of the British Society of Animal Science 112th Meeting, Scarborough, 18-20 March 1996.
The effects of grass nitrogen status on the preference by sheep grazing ryegrass and white clover
B - Book chapters etc edited externally
Harvey, A., Orr, R. J., Parsons, A. J., Penning, P. D. and Vincent, J. F. V. 1996. The effects of grass nitrogen status on the preference by sheep grazing ryegrass and white clover. in: Younie, D. (ed.) Legumes in Sustainable Farming Systems, British Grassland Society Occasional Symposium No 30 (Proceedings of joint conference of BGS and SFS Initiative, SAC, Craibstone, Aberdeen, 2-4 September 1996) British Grassland Society (BGS) Hurley. pp. 227-229
Grazing behaviour and herbage intake rate by Friesian dairy heifers grazing ryegrass or white clover
B - Book chapters etc edited externally
Orr, R. J., Rutter, S. M., Penning, P. D., Yarrow, N. H. and Champion, R. A. 1996. Grazing behaviour and herbage intake rate by Friesian dairy heifers grazing ryegrass or white clover. in: Younie, D. (ed.) Legumes in Sustainable Farming Systems, British Grassland Society Occasional Symposium No 30 (Proceedings of joint conference of BGS and SFS Initiative, SAC, Craibstone, Aberdeen, 2-4 September 1996) British Grassland Society (BGS) Hurley. pp. 221-224
Effects of continuous stocking with sheep or goats on sward composition and animal production from a grass and white clover pasture
A - Papers appearing in refereed journals
Penning, P. D., Johnson, R. H. and Orr, R. J. 1996. Effects of continuous stocking with sheep or goats on sward composition and animal production from a grass and white clover pasture. Small Ruminant Research. 21, pp. 19-29.
Dietary preference of sheep for grass and clover at contrasting sward surface heights
C2 - Non-edited contributions to conferences
Harvey, A. and Orr, R. J. 1996. Dietary preference of sheep for grass and clover at contrasting sward surface heights. Proceedings of the British Society of Animal Science 112th Meeting, Scarborough, 18-20 March 1996.
The role of learning and experience in the development of dietary choice by sheep and goats
C1 - Edited contributions to conferences/learned societies
Orr, R. J., Penning, P. D., Parsons, A. J., Harvey, A. and Newman, J. A. 1995. The role of learning and experience in the development of dietary choice by sheep and goats. Fourth International Symposium on the Nutrition of Herbivores, 11-15 September 1995, Clermont-Ferrand, France.
The preference of adult sheep and goats grazing ryegrass and white clover
C1 - Edited contributions to conferences/learned societies
Penning, P. D., Newman, J. A., Parsons, A. J., Harvey, A. and Orr, R. J. 1995. The preference of adult sheep and goats grazing ryegrass and white clover. Fourth International Symposium on the Nutrition of Herbivores, 11-15 September 1995, Clermont-Ferrand, France.
Intake and behaviour responses by sheep, in different physiological states, when grazing monocultures of grass or white clover
A - Papers appearing in refereed journals
Penning, P. D., Parsons, A. J., Orr, R. J., Harvey, A. and Champion, R. A. 1995. Intake and behaviour responses by sheep, in different physiological states, when grazing monocultures of grass or white clover. Applied Animal Behaviour Science. 45, pp. 63-78.
Herbage intake rates and grazing behaviour of sheep and goats grazing grass or white clover
C1 - Edited contributions to conferences/learned societies
Penning, P. D., Orr, R. J., Parsons, A. J., Harvey, A. and Newman, J. A. 1995. Herbage intake rates and grazing behaviour of sheep and goats grazing grass or white clover. Fourth International Symposium on the Nutrition of Herbivores, 11-15 September 1995, Clermont-Ferrand, France.
Herbage intake and N excretion by sheep grazing monocultures or a mixture of grass and white clover
A - Papers appearing in refereed journals
Orr, R. J., Penning, P. D., Parsons, A. J. and Champion, R. A. 1995. Herbage intake and N excretion by sheep grazing monocultures or a mixture of grass and white clover. Grass and Forage Science. 50 (1), pp. 31-40. https://doi.org/10.1111/j.1365-2494.1995.tb02291.x
Dietary preference of heifers for grass or clover, with and without romensin slow-release anti-bloat boluses
C1 - Edited contributions to conferences/learned societies
Penning, P. D., Parsons, A. J., Orr, R. J., Harvey, A. and Yarrow, N. H. 1995. Dietary preference of heifers for grass or clover, with and without romensin slow-release anti-bloat boluses. Proceedings of the 111th Meeting of the British Society of Animal Science, Scarborough, 20-22 March 1995.
Intake behaviour and production responses by sheep, in different physiological states, grazing monocultures of grass or white clover
C2 - Non-edited contributions to conferences
Penning, P. D., Parsons, A. J., Orr, R. J. and Harvey, A. 1994. Intake behaviour and production responses by sheep, in different physiological states, grazing monocultures of grass or white clover. Abstracts 45th Annual Meeting of the European Association for Animal Production, EAAP, Edinburgh, September 1994. pp. 281
The effect of concentrate level on the intakes of silages or hays by ewes in the first month of lactation
A - Papers appearing in refereed journals
Orr, R. J. and Treacher, T. T. 1994. The effect of concentrate level on the intakes of silages or hays by ewes in the first month of lactation. Animal Production. 58, pp. 109-116.
Intake and behaviour responses by sheep to changes in sward characteristics under rotational grazing
A - Papers appearing in refereed journals
Penning, P. D., Parsons, A. J., Orr, R. J. and Hooper, J. E. 1994. Intake and behaviour responses by sheep to changes in sward characteristics under rotational grazing. Grass and Forage Science. 49 (4), pp. 476-486. https://doi.org/10.1111/j.1365-2494.1994.tb02025.x
Fasting affects intake behaviour and diet preference of grazing sheep
A - Papers appearing in refereed journals
Newman, J. A., Penning, P. D., Parsons, A. J., Harvey, A. and Orr, R. J. 1994. Fasting affects intake behaviour and diet preference of grazing sheep. Animal Behaviour. 47, pp. 185-193. https://doi.org/10.1006/anbe.1994.1021
Diurnal patterns of ingestive behaviour by sheep
C2 - Non-edited contributions to conferences
Orr, R. J., Harvey, A. and Champion, R. A. 1994. Diurnal patterns of ingestive behaviour by sheep. Fourth British Grassland Society (BGS) Research Conference, 26-28 September 1994, Reading University.
Diet preference of sheep: effects of recent diet, physiological state and species abundance
A - Papers appearing in refereed journals
Parsons, A. J., Newman, J. A., Penning, P. D., Harvey, A. and Orr, R. J. 1994. Diet preference of sheep: effects of recent diet, physiological state and species abundance. Journal of Animal Ecology. 63, pp. 465-478. https://doi.org/10.2307/5563
The effects of group size on grazing time in sheep
A - Papers appearing in refereed journals
Penning, P. D., Parsons, A. J., Newman, J. A., Orr, R. J. and Harvey, A. 1993. The effects of group size on grazing time in sheep. Applied Animal Behaviour Science. 37, pp. 101-109. https://doi.org/10.1016/0168-1591(93)90103-V
Factors controlling meal length and herbage intake rate by grazing sheep
C1 - Edited contributions to conferences/learned societies
Penning, P. D., Orr, R. J., Parsons, A. J. and Rutter, S. M. 1993. Factors controlling meal length and herbage intake rate by grazing sheep. Proceedings of the Third International Congress on Applied Ethology, July 1993, Berlin, Germany. Humboldt University, Berlin. pp. 498-500
Effects of some factors on insensible weight loss in grazing sheep
C1 - Edited contributions to conferences/learned societies
Dumont, B., Penning, P. D., Orr, R. J. and D'Hour, P. 1993. Effects of some factors on insensible weight loss in grazing sheep. Proceedings of 8iemes Journees des Recherches sur l'Alimentation et la Nutrition des Herbivores, 24-25 March 1993, Paris, France.
Dietary preferences of sheep and goats
C2 - Non-edited contributions to conferences
Penning, P. D., Parsons, A. J., Harvey, A. and Orr, R. J. 1993. Dietary preferences of sheep and goats. Proceedings from Agricultural and Environmental Management "Pointers for Change", 8 April 1993, National Agricultural Conference, Stoneleigh, UK.
Uptake, cycling and fate of nitrogen in grass-clover swards continuously grazed by sheep
A - Papers appearing in refereed journals
Parsons, A. J., Orr, R. J., Penning, P. D. and Lockyer, D. R. 1991. Uptake, cycling and fate of nitrogen in grass-clover swards continuously grazed by sheep. The Journal of Agricultural Science. 116, pp. 47-61. https://doi.org/10.1017/S0021859600076139
Patterns of ingestive behaviour of sheep continuously stocked on monocultures of ryegrass or white clover
A - Papers appearing in refereed journals
Penning, P. D., Rook, A. J. and Orr, R. J. 1991. Patterns of ingestive behaviour of sheep continuously stocked on monocultures of ryegrass or white clover. Applied Animal Behaviour Science. 31, pp. 237-250.
Micrometeorological studies of ammonia emission from sheep grazed swards
A - Papers appearing in refereed journals
Jarvis, S. C., Hatch, D. J., Orr, R. J. and Reynolds, S. E. 1991. Micrometeorological studies of ammonia emission from sheep grazed swards. The Journal of Agricultural Science. 117, pp. 101-109. https://doi.org/Reynolds(a1)DOI:https://doi.org/10.1017/S0021859600079028
Intake and behaviour responses by sheep to changes in sward characteristics under continuous stocking
A - Papers appearing in refereed journals
Penning, P. D., Parsons, A. J., Orr, R. J. and Treacher, T. T. 1991. Intake and behaviour responses by sheep to changes in sward characteristics under continuous stocking. Grass and Forage Science. 46, pp. 15-28.
The performance of ewes offered diets containing different proportions of perennial ryegrass and white clover silage in late pregnancy
A - Papers appearing in refereed journals
Orr, R. J. and Treacher, T. T. 1990. The performance of ewes offered diets containing different proportions of perennial ryegrass and white clover silage in late pregnancy. Animal Production. 51, pp. 143-153.