Selection by sheep and goats for perennial ryegrass and white clover offered over a range of sward height contrasts

Grass and Forage Science

Volumn 55, Issue 1, 2000, Pages 47-58

  Concha, M A ^a   Nicol, A M ^a  

^a LINCOLN UNIVERSITY   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

GRAZING; LIVESTOCK; PERENNIAL PLANT; SELECTION;

EID: 0034162516     PISSN: 01425242     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2494.2000.00196.x     Document Type: Article

References (40)

1. BARTHRAM G.T. (1985) Experimental techniques: the HFRO sward stick. The Hill Farming Research Organisation Biennial Report, 1984-5, 29-30.
2. BOWN M.D., MCCALL D.G., SCOTT M.L., WATSON T.G. and DOW B.W. (1989) The effect of integrated grazing of goats, sheep and cattle on animal productivity and health on high-producing hill country pastures. Proceedings of the New Zealand Society of Animal Production, 9, 165-169.
3. BRUERE A.N. and WEST D.M. (1993) The Sheep: Health, Disease and Production. Palmerston North: The Foundation for Continuing Education, NZ Veterinary Association.
4. CASEY M.J., LUCAS R.J. and STEVENS D.R. (1993) Vertical distribution of botanical components in four pasture mixtures grazed solely by goats. Proceedings of the XVIIIth International Grassland Congress, New Zealand. Session 21, 882-883.
5. CLARK D.A. and HARRIS P.S. (1985) Composition of the diet of sheep grazing swards of differing white clover content and spatial distribution. New Zealand Journal of Agricultural Research, 28, 233-240.
6. CLARK D.A., LAMBERT M.G., ROLSTON M.P. and DYMOCK N. (1982) Diet selection by goats and sheep on hill country. Proceedings of the New Zealand Society of Animal Production, 42, 155-157.
7. CLARKE T., HEMBRY F.G., BARTON F.E. and SAXTON A.M. (1982) Low cost pepsin-cellulase assays for prediction of digestibility of herbage. Grass and Forage Science, 37, 147-150.
8. COLLINS H.A. (1989) Single and Mixed Grazing of Cattle, Sheep and Goats. PhD thesis. Lincoln University, New Zealand.
9. COLLINS H.A. and NICOL A.M. (1986) The consequence for feed dry matter intake of grazing sheep cattle and goats to the same residual herbage mass. Proceedings of the New Zealand Society of Animal Production, 46, 125-128.
10. COLLINS H.A. and NICOL A.M. (1987) Diet selection differences between sheep, cattle and goats grazed on similar swards. Proceedings 4th Asian-Australasian Association of Animal Production Societies Animal Science Congress, Hamilton, p. 172.
11. COOPER S.D.B., KYRIAZAKIS I. and OLDHAM J.D. (1994) The effect of late pregnancy on the diet selections made by ewes. Livestock Production Science, 40, 263-275.
12. EDWARDS G.R., NEWMAN J.A., PARSONS A.J. and KREBS J.R. (1996) Effects of the total, vertical and horizontal availability of the food resource on diet selection and intake of sheep. Journal of Agricultural Science, Cambridge, 127, 555-562.
13. GONG Y., HODGSON J., LAMBERT M.G. and GORDON I.L. (1996) Short-term ingestive behaviour of sheep and goats grazing grasses and legumes. 1. Comparison of, bite weight, bite rate and bite dimensions for forages at two stages of maturity. New Zealand Journal of Agricultural Research, 39, 63-73.
14. GORDON I.J. and ILLIUS A.W. (1988) Incisor arcade structure and diet selection in ruminants. Functional Ecology, 2, 15-22.
15. HUGHES T.P., SYKES A.R. and POPPI D.P. (1984) Diet selection in young ruminants in late spring. Proceedings of the New Zealand Animal Production Society, 44, 109-112.
16. ILLIUS A.W., CLARK D.A. and HODGSON J. (1992) Discrimination and patch choice by sheep grazing grass-clover swards. Journal of Animal Ecology, 61, 183-194.
17. KENNEY P.A. and BLACK J.L. (1984) Factors affecting diet selection by sheep. I. Potential intake rate and acceptability of feed. Australian Journal of Agricultural Research, 35, 551-563.
18. KYRIAZAKIS I. and OLDHAM J.D. (1993) Diet selection in sheep: the ability of growing lambs to select a diet that meets their crude protein requirements. British Journal of Nutrition, 69, 617-629.
19. LACA E.A., UNGAR E.D., SELIGMAN N. and DEMMENT M.W. (1992) Effect of sward height and bulk density on bite dimensions of cattle grazing homogeneous swards. Grass and Forage Science, 47, 91-102.
20. LAMBERT M.G. and CLARK D.A. (1987) Grazing behaviour of goats on weed-infested hill pastures in New Zealand. Proceedings of the 2nd International Cashmere, Lincoln College, New Zealand. pp. 105-113.
21. L'HUILLIER P.J., POPPI D.P. and FRASER T.J. (1986) Influence of structure and composition of ryegrass and prairie grass-white clover swards on the grazed horizon and diet harvested by sheep. Grass and Forage Science, 41, 259-267.
22. MCCALL D.G. and LAMBERT M.G. (1987) Pasture feeding of goats. In: NICOL A.M. (ed.) Livestock Feeding on Pasture. Occasional Publication No 10, New Zealand Society of Animal Production, pp. 105-109.
23. MCCLYMONT G.L. (1973) The ecology of bloat. In: LENG R.A. and MCWILLIAM J.R. (eds) Bloat, Reviews in Rural Science, vol. 1. pp. 1-3. Armidale: University of New England.
24. MCGREGOR B.A. (1985) Complementary grazing of goats and sheep in the temperate zone. Proceedings 1st International Cashmere Seminar, Australian National University, Canberra. pp. 103-123.
25. NEWMAN J.A., PARSONS A.J. and HARVEY A. (1992) Not all sheep prefer clover: diet selection revisited. Journal of Agricultural Science, Cambridge, 119, 275-283.
26. NEWMAN J.A., PENNING P.D., PARSONS A.J., HARVEY A. and ORR R.J. (1994) Fasting affects intake behaviour and diet preference by grazing sheep. Animal Behaviour, 47, 185-193.
27. NICOL A.M. and COLLINS H.A. (1990) Estimation of the pasture horizons grazed by cattle, sheep and goats during single and mixed grazing. Proceedings of the New Zealand Society of Animal Production, 50, 49-53.
28. ORR R.J., PENNING P.D., HARVEY A. and CHAMPION R.A. (1997) Diurnal patterns of intake rate by sheep grazing monocultures of ryegrass and white clover. Applied Animal Behaviour Science, 52, 65-77.
29. PARSONS A.J., HARVEY A. and JOHNSON I.R. (1991) Plant-animal interactions in a continuously grazed mixture. II The role of differences in the physiology of plant growth and of selective grazing on the performance and stability of species in a mixture. Journal of Applied Ecology, 28, 635-658.
30. PARSONS A.J., NEWMAN J.A., PENNING P.D. and HARVEY A. (1994a) Diet preference of sheep: effects of recent diet, physiological state and species. Journal of Animal Ecology, 63, 465-478.
31. PARSONS A.J., THORNLEY J.H.M., NEWMAN J.A. and PENNING P.D. (1994b) A mechanistic model of some physical determinants of intake rate and diet selection in a two-species temperate grassland sward. Functional Ecology, 8, 187-204.
32. 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, 19-29.
33. 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, 175-185.
34. DEL POZO M., WRIGHT I.A., WHYTE T.K. and COLGROVE P.M. (1996) Effects of grazing by sheep or goats on sward composition in ryegrass/white clover pasture and on subsequent performance of weaned lambs. Grass and Forage Science, 51, 142-154.
35. DEL POZO M., WRIGHT I.A. and WHYTE T.K. (1997) Diet selection by sheep and goats and sward composition changes in a ryegrass/white clover sward previously grazed by cattle, sheep or goats. Grass and Forage Science, 52, 278-290.
36. RADCLIFFE J.E. and FRANCIS S.M. (1988) Goat farming practices on high producing pastures. Proceedings New Zealand Grassland Association, 49, 29-32.
37. RIDOUT M.S. and ROBSON M.J. (1991) Diet composition of sheep grazing grass/white clover swards: a re-evaluation. New Zealand Journal of Agricultural Research, 34, 89-93.
38. THORNLEY J.H.M., PARSONS A.J., NEWMAN J. and PENNING P.D. (1994) A cost-benefit model of grazing intake and diet selection in a two-species temperate grassland sward. Functional Ecology, 8, 5-16.
39. TOWNSEND R.J. and RADCLIFFE J.E. (1990) Lamb growth rates improve as goat to sheep ratio increases. Proceedings New Zealand Grassland Association, 52, 112-118.
40. WOODWARD S.J.R. (1997) Formulae for predicting animals' daily intake of pasture and grazing time from bite weight and composition. Livestock Production Science, 52, 1-10.