Diet selection and productivity of sheep grazing contrasting pastures

Australian Journal of Agricultural Research

Volumn 53, Issue 5, 2002, Pages 529-539

  Chen, W ^a   Scott, J ^a   Blair, G ^a   Lefroy, R ^a   Hutchinson, K ^a   King, K ^a   Harris, C ^a  

^a UNIVERSITY OF ADELAIDE   (Australia)

Author keywords

Diet quality; Digestibility; N alkane technique; Species composition

Indexed keywords

DIET; PASTURE; PRODUCTIVITY; SHEEP;

AUSTRALIA;

ANIMALIA; OVIS ARIES; PHALARIS; TRIFOLIUM; TRIFOLIUM REPENS; VERTEBRATA;

EID: 0036262874     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/AR01091     Document Type: Article

References (45)

1. Sealed chamber digestion for plant nutrient analysis
2. Pasture decline-real or imagined?
3. Influence of the biomass, botanical composition and sward height of annual pastures on foraging behaviour by sheep
4. Return of nutrients by animals
5. Nitrogen and sulfur dynamics of contrasting grazed pastures
6. Field variation in alkane signatures among plant species in 'degraded' and perennial pastures on the Northern Tablelands of New South Wales
7. Using plant cuticular alkanes to study plant-animal interactions on pastures
8. Composition of the diet of sheep grazing swards of differing white clover content and spatial distribution
9. Selective grazing and its effects on sheep performance
10. Constraints to the modelling of diet selection and intake in the grazing ruminant
11. Estimation of pasture intake in grazing ewes, using the alkanes of plant cuticular waxes
12. Faecal recovery of the alkanes of plant cuticular waxes in penned and in grazing sheep
13. The use of plant wax alkanes as marker substances in studies of the nutrition of herbivores: A review
14. Using a least-squares optimization procedure to estimate botanical composition based on the alkanes of plant cuticular wax
15. Spray-topping annual grass pasture with glyphosate to delay loss of feeding value during summer. III. Quantitative basis of the alkane-based procedures for estimating diet selection and herbage intake by grazing sheep
16. Effects of the total, vertical and horizontal availability of the food resource on diet selection and intake of sheep
17. The relative intake of three Merino strains under different grazing regimes estimated using alkane technology
18. BOTANAL - A comprehensive sampling and computing procedure for estimating pasture yield and composition. II. Computational package
19. Nutrient cycling and soil fertility in the grazed pasture ecosystem
20. The nitrogen cycle of pasture ecosystem
21. Distribution of excreta by sheep at pasture
22. Nomenclature and definitions in grazing studies
23. Animals for food
24. Effects of rainfall, moisture stress, and stocking rate on the persistence of white clover over 30 years
25. Effects of canopy structure on patch depression by grazers
26. Herbage intake and production of Merino sheep grazing native and improved pastures at different stocking rates
27. Spray-topping annual grass pasture with glyphosate to delay loss of feeding value during the summer. IV. Diet composition, herbage intake, and performance in grazing sheep
28. The use of dosed and herbage n-alkanes as markers for the determination of the herbage intake
29. Not all sheep prefer clover: Diet selection revisited
30. Least-squares estimation of diet composition from n-alkanes in herbage and faeces using matrix mathematics
31. Sulphur cycling and its implications of sulphur fertilizer requirements of grazed grassland ecosystems
32. Chemical fraction, water-solubility and temporal distribution of sheep faecal sulphur fractions in grazed pastures receiving long-term sulphate fertilisation
33. Sulphur cycling and its implications for sulphur fertilizer requirements of grazed ecosystems
34. Plant-animal interactions in a continuously grazed mixture. II. The role of differences in the physiological of plant growth and of selective grazing on the performance and stability of species in a mixture
35. Diet preference of sheep: Effects of recent diet, physiological state and species abundance
36. A comparison of the three techniques to determine the herbage intake of dairy cows grazing kikuyu (Pennisetum calandestinum) pasture
37. Diet composition of sheep grazing grass/white clover swards: A re-evaluation
38. The effects of season and diet composition on the radiocaesium intake by sheep grazing on heather moorland
39. Nitrogen nutrition of pastures
40. Comparison of conventional and automated procedures for nitrogen, phosphorus and potassium analysis of plant material using a single digestion
41. A cost-benefit model of intake and selection in a two-species swards
42. BOTANAL - A comprehensive sampling and computing procedure for estimating pasture yield and composition. I. Field sampling