Effect of variable intake of alfalfa and wheat on faecal alkane recoveries and estimates of roughage intake in sheep

Journal of Agricultural Science

Volumn 142, Issue 2, 2004, Pages 213-223

  Elwert, C ^a   Kluth, H ^a   Rodehutscord, M ^a  

^a MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ALFALFA; ALKANE; DIET; FOOD INTAKE; SHEEP;

ANIMALIA; MEDICAGO SATIVA; OVIS ARIES; PROPOLIS; TRITICUM AESTIVUM;

EID: 8144224416     PISSN: 00218596     EISSN: None     Source Type: Journal    
DOI: 10.1017/S0021859604004150     Document Type: Article

References (23)

1. AFRC (1993). Energy and Protein Requirements of Ruminants. An advisory manual prepared by the AFRC Technical Committee on Responses to Nutrients. Wallingford: CAB International.
2. BROSH, A., HENKIN, Z., ROTHMAN, S. J., AHARONI, Y., ORLOV, A. & ARIELI, A. (2003). Effects of faecal n-alkane recovery in estimates of diet composition. Journal of Agricultural Science, Cambridge 140, 93-100.
3. DILLON, P. (1993). The use of n-alkanes as markers to determine herbage intake, botanical composition of available or consumed herbage and in studies of digesta kinetics with dairy cows. Ph.D. thesis, National University of Ireland, Dublin, Ireland.
4. DLG (1997). Futlerwerttabellen Wiederkäuer (Ed. Universität Hohenheim - Dokumentationsstelle). 7th enlarged and revised edition, Frankfurt am Main: DLG-Verlag.
5. DOVE, H. (1992). Using the n-alkanes of plant cuticular wax to estimate the species composition of herbage mixtures. Australian Journal of Agricultural Research 43, 1711-1724.
6. DOVE, H. & MAYES, R. W. (1991). The use of plant wax alkanes as marker substances in studies of the nutrition of herbivores: a review. Australian Journal of Agricultural Research 42, 913-952.
7. DOVE, H. & MAYES, R. W. (1996). Plant wax components: a new approach to estimating intake and diet composition in herbivores. Journal of Nutrition 126, 13-26.
8. DOVE, H. & MOORE, A. D. (1995). Using a least-squares optimization procedure to estimate botanical composition based on the alkanes of plant cuticular wax. Australian Journal of Agricultural Research 46, 1535-1544.
9. DOVE, H. & OLIVÁN, M. (1998). Using synthetic or beeswax alkanes for estimating supplement intake in sheep. Animal Production in Australia, Proceedings of the Australian Society of Animal Production 22, 189-192.
10. DOVE, H., MAYES, R. W. & FREER, M. (1995). Using cuticular wax alkanes to estimate herbage intake in animals fed supplements. Annales de Zootechnie 44 (Suppl.), 237.
11. DOVE, H., MAYES, R. W., LAMB, C. S. & ELLIS, K. J. (2002a). Factors influencing the release rate of alkanes from an intra-ruminal, controlled-release device, and the resultant accuracy of intake estimation in sheep. Australian Journal of Agricultural Research 53, 681-696.
12. DOVE, H., SCHARCH, C., OLIVÁN, M. & MAYES, R. W. (2002b). Using n-alkanes and known supplement intake to estimate roughage intake in sheep. Animal Production in Australia, Proceedings of the Australian Society of Animal Production 24, 51-60.
13. MAYES, R. W., LAMB, C. S. & COLGROVE, P. M. (1986a). Determination of herbage intake of sucking lambs using long-chain n-alkanes as markers. Animal Production 42, 457 (abs.).
14. MAYES, R. W., LAMB, C. S. & COLGROVE, P. M. (1986b). The use of dosed and herbage n-alkanes as markers for the determination of herbage intake. Journal of Agricultural Science, Cambridge 107, 161-170.
15. MAYES, R. W., LAMB, C. S. & COLGROVE, P. M. (1988). Digestion and metabolism of dosed even-chain and herbage odd-chain n-alkanes in sheep. In Proceedings of the 12th General Meeting of the European Grassland Federation, Dublin, Ireland, July 4-7, 1988, pp. 159-163.
16. NAUMANN, C. & BASSLER, R. (1976). Methodenbuch Band III. Die chemischen Untersuchungen von Futtermitteln. Loose leaflet collection with supplements from 1983, 1988, 1993, and 1997. Darmstadt: VDLUFA-Verlag.
17. OHAJURUKA, O. A. & PALMQUIST, D. L. (1991). Evaluation of n-alkanes as digesta markers in dairy cows. Journal of Animal Science 69, 1726-1732.
18. OLIVÁN, M. & OSORO, K. (1995). The use of n-alkanes for estimating feed intake in beef cows. Annales de Zootechnie 44 (Suppl.), 239.
19. OLIVÁN, M. & OSORO, K. (1999). Effect of temperature on alkane extraction from faeces and herbage. Journal of Agricultural Science, Cambridge 132, 305-312.
20. SCHARCH, C. P. & DOVE, H. (2002). Effects of different proportions of supplement in the diet on the faecal recoveries of n-alkanes. Grassland Science in Europe, Proceedings of the European Grassland Federation 7, 470-471.
21. VALIENTE, O. L., DELGADO, P., DE VEGA, A. & GUADA, J. A. (2003). Validation of the n-alkane technique to estimate intake, digestibility, and diet composition in sheep consuming mixed grain:roughage diets. Australian Journal of Agricultural Research 54, 693-702.
22. VULICH, S. A., HANRAHAN, J. P. & CROWLEY, B. A. (1995). Modification of the analytical procedures for the determination of herbage and faecal n-alkanes used in the estimation of herbage intake. Journal of Agricultural Science, Cambridge 124, 71-77.
23. VULICH, S. A., O'RIORDAN, E. G. & HANRAHAN, J. P. (1991). Use of n-alkanes for the estimation of herbage intake in sheep: accuracy and precision of the estimates. Journal of Agricultural Science, Cambridge 116, 319-323.