Prediction of the voluntary intake potential of grass silage by sheep and dairy cows from laboratory silage measurements

Animal Science

Volumn 66, Issue 2, 1998, Pages 357-367

  Offer, N W ^a   Percival, D S ^a   Dewhurst, R J ^a,b   Thomas, C ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

^b ABERYSTWYTH UNIVERSITY   (United Kingdom)

Author keywords

Cows; Food intake; NIRS; Sheep; Silage

Indexed keywords

BOS TAURUS; LOLIUM PERENNE; OVIS ARIES;

EID: 0032056201     PISSN: 13577298     EISSN: None     Source Type: Journal    
DOI: 10.1017/S1357729800009486     Document Type: Article

References (38)

1. Agricultural and Food Research Council. 1991. AFRC Technical Committee on Responses to Nutrients. Report number 8. Voluntary intake of cattle. Nutrition Abstracts and Reviews (Series B) 61: 815-823.
2. Agricultural Research Council. 1980. The nutrient requirements of ruminant livestock. Commonwealth Agricultural Bureaux, Slough.
3. Apolant, S. M. and Chestnutt, D. M. B. 1985. The effect of mechanical treatment of silage on intake and production of sheep. Animal Production 40: 287-296.
4. Barnes, R. J., Dhanoa, M. S. and Lister, S. J. 1989. Standard normal variate transformation and de-trending of near infra-red diffuse reflectance spectra. Applied Spectroscopy 43: 771-777.
5. Bines, J. A. 1985. Feeding systems and food intake by housed dairy cows. Proceedings of the Nutrition Society 44: 355-362.
6. Cushnahan, A., Gordon, F. J., Ferris, C. P. W., Chestnutt, D. M. B. and Mayne, C. S. 1994. The use of sheep as a model to predict the relative intakes of silages by dairy cattle. Animal Production 59: 415-420.
7. Dewar, W. A. and MCDonald, P. 1961. Determination of dry matter in silage by distillation with toluene. Journal of the Science of Food and Agriculture 12: 790-795.
8. Dewhurst, R. J., Mitton, A. M., Offer, N. W. and Thomas, C. 1996. Effects of compositions of grass silages on milk production and nitrogen utilization by dairy cows. Animal Science 62: 25-34.
9. Dulphy, J. P. 1980. The intake of conserved forages. In Forage conservation in the 80's (ed. C. Thomas), occasional symposium of the British Grassland Society, no. 11, pp. 107-121.
10. Forbes, J. M. 1995. In Voluntary food intake and diet selection in farm animals, pp. 384-415. CAB International, Wallingford.
11. Gordon, F. J. 1982. The effects of degree of chopping grass for silage and method of concentrate allocation on the performance of dairy cows. Grass and Forage Science 37: 59-65.
12. Lawes Agricultural Trust. 1987. Genstat 5 reference manual. Clarendon Press, Oxford.
13. Lewis, M. 1981. Equations for predicting silage intake by beef and dairy cattle. Proceedings of the sixth silage conference, Edinburgh, pp. 35-36.
14. MCDonald, P., Henderson, A. R. and Heron, S. J. E. 1991. In The biochemistry of silage, p. 268. Chalcombe Publications, Marlow, UK.
15. Mayne, C. S., Agnew, R. E., Patterson, D. C., Steen, R. W. J., Gordon, F. J., Kilpatrick, D. J. and Unsworth, E. F. 1995. An examination of possible interactions between silage type and concentrate composition on the intake characteristics of grass silage offered to growing cattle and dairy cows. Animal Science 60: 514 (abstr.).
16. Neal, H. D. St C., Thomas, C. and Cobby, J. M. 1984. Comparison of equations for predicting voluntary intake by dairy cows. Journal of Agricultural Science, Cambridge 103: 1-10.
17. Offer, N. W. 1997. A comparison of the effects on voluntary intake by sheep of dietary addition of either silage juices or lactic acid solutions of the same neutralizing value. Animal Science 64: 331-337.
18. Offer, N. W., Cottrill, B. R. and Thomas, C. 1996a. The relationship between silage evaluation and animal response. Proceedings of the 11th international silage conference, University of Wales, Aberystwyth, pp. 26-38.
19. Offer, N. W., Dewhurst, R. J. and Thomas, C. 1994. The use of electrometric titration to improve the routine prediction of silage intake by lambs and dairy cows. Animal Production 58: 427 (abstr.).
20. Offer, N. W. and Percival, D. S. 1998. The prediction of rumen fermentation characteristics in sheep fed grass silage diets. Animal Science 66: 163-173.
21. Offer, N. W., Percival, D. S., Deaville, E. R. and Piotrowski, C. 1996b. The potential for advisory silage analysis to be carried out entirely by near infra-red reflectance spectroscopy. Proceedings of the 11th international silage conference, Aberystwyth.
22. Offer, N. W., Rooke, J. A., Dewhurst, R. J. and Thomas, C. 1993. Rapid assessment of silage fermentation characteristics by electrometric titration. Animal Production 56: 423 (abstr.).
23. Offer, N. W., Thomas, C. and Dewhurst, R. J. 1995. Validation of advisory models for the prediction of voluntary intake of grass silage by lambs and dairy cows. Animal Science 60: 515 (abstr.).
24. Orr, R. J. and Treacher, T. T. 1989. The effect of concentrate level on the intake of grass silages by ewes in late pregnancy. Animal Production 48: 109-120.
25. Orr, R. J. and Treacher, T. T. 1990. Intakes of silages, hays and straws by ewes in mid pregnancy. Animal Production 51: 301-310.
26. Orr, R. J. and Treacher, T. T. 1994. The effect of concentrate level on the intakes of silages or hays by ewes in the 1st month of lactation. Animal Production 58: 109-116.
27. Percival, D. S., Offer, N. W. and Thomas, C. 1996. The use of near infra-red reflectance spectroscopy (NIRS) to predict voluntary intake of grass silage by lambs and dairy cows. Animal Science 62: 680 (abstr.).
28. Rook, A. J., Dhanoa, M. S. and Gill, M. 1990a. Prediction of the voluntary intake of grass silages by beef cattle. 2. Principal component and ridge regression analyses. Animal Production 50: 439-454.
29. Rook, A. J., Dhanoa, M. S. and Gill, M. 1990b. Prediction of the voluntary intake of grass silages by beef cattle. 3. Precision of alternative prediction models. Animal Production 50: 455-466.
30. Rook A. J. and Gill, M. 1990. Prediction of the voluntary intake of grass silages by beef cattle. 1. Linear regression analyses. Animal Production 50: 425-438.
31. Rook, A. J., Gill, M., Wilkins, R. D. and Lister, S. J. 1991. Prediction of the voluntary intake of grass silages by lactating dairy cows offered concentrates at a flat rate. Animal Production 52: 407-420.
32. Rooke, J. A. 1995. The effect of increasing the acidity or osmolality of grass silage by the addition of free or partially neutralized lactic acid on silage intake by sheep and upon osmolality and acid-base balance. Animal Science 61: 285-292.
33. Rooke, J. A., Borman, A. J. and Armstrong, D. G. 1990. The effect of inoculation with Lactobacillus plantarum on fermentation in laboratory silos of herbage low in water soluble carbohydrate. Grass and Forage Science 45: 143-152.
34. Sinnaeve, G., Dardenne, P., Agnessens, R. and Biston, R. 1994. The use of near infrared spectroscopy for the analysis of fresh grass silage. Journal of Near Infrared Spectroscopy 2: 79-84.
35. Steen, R. W. J., Gordon, F. J., Dawson, L. E. R., Park, R. S., Mayne, C. S., Agnew, R. E., Kilpatrick, D. J. and Porter, M. G. 1998. Factors affecting the intake of grass silage by cattle and prediction of silage intake. Animal Science 66: 115-127.
36. Steen, R. W. J., Gordon, F. J., Mayne, C. S., Poots, R. E., Kilpatrick, D. J., Unsworth, E. F., Barnes, R. J., Porter, M. G. and Pippard, C. J. 1995. Prediction of the intake of grass silage by cattle. In Recent advances in animal nutrition (ed. P. C. Garnsworthy and D. J. A. Cole), pp. 67-89. Nottingham University Press.
37. Vadiveloo, J. and Holmes, W. 1979. The prediction of voluntary intake of dairy cows. Journal of Agricultural Science, Cambridge 93: 553-562.
38. Wilkins, R. J., Hutchinson, K. J., Wilson, R. F. and Harris, C. E. 1971. The voluntary intake of silage by sheep. 1. Interrelationships between silage composition and intake. Journal of Agricultural Science, Cambridge 77: 531-537.