Hostname: page-component-78c5997874-g7gxr Total loading time: 0 Render date: 2024-11-05T12:02:07.024Z Has data issue: false hasContentIssue false

The growth of lambs grazing on perennial ryegrass, tall fescue and cocksfoot, with and without white clover, as related to the botanical and chemical composition of the pasture and pattern of fermentation in the rumen

Published online by Cambridge University Press:  27 March 2009

J. R. Gallagher
Affiliation:
Department of Agronomy, University of New England, Armidale, N.S.W.

Extract

1. An experiment was conducted in which lambs grazed on pastures of cocksfoot, ryegrass and tall fescue grown with and without white clover, as well as on pastures of pure white clover.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1967

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Armstrong, D. G. (1964). Evaluation of artificially dried grass as a source of energy for sheep. II. The energy value of cocksfoot, timothy and two strains of ryegrass at varying stages of maturity. J. agric. Sci., Camb. 62, 399416.CrossRefGoogle Scholar
Armstrong, D. G., Blaxter, K. L., Graham, N. McC. & Wainman, F. W. (1958). The utilisation of the energy of two mixtures of steam volatile fatty acids by fattening sheep. Br. J. Nutr. 12, 177–88.CrossRefGoogle ScholarPubMed
Bailey, R. W. (1958). Carbohydrates in pasture species. I. The starch contents of clovers and ryegrass. J. Sci. Fd Agric. 11, 743–7.CrossRefGoogle Scholar
Barnett, A. G. (1957). Studies on the digestibility of the cellulose fraction of grassland products. I. The relation between the digestibility of silage cellulose as determined in vitro and silage crude fibre digestibility determined by a feeding trial. J. agric. Sci., Camb. 49, 467–74.CrossRefGoogle Scholar
Bath, I. H. (1958). The ultraviolet and spectrophotometric determination of sugars and uronic acids. Analyst, Lond. 83, 451–5.CrossRefGoogle Scholar
Blaxter, K. L. & Rook, J. A. F. (1953). The heat of combustion of the tissues of cattle in relation to their chemical composition. Br. J. Nutr. 7, 8391.CrossRefGoogle ScholarPubMed
Blaxter, K. L. (1964). Utilisation of the metabolizable energy of grass. J. Br. Grassld Soc. 19, 90–9.Google Scholar
Bray, G. A. (1960). A simple efficient liquid scintillator for counting aqueous solutions in a liquid scintillation counter. Analyt. Biochem. 1, 279–85.CrossRefGoogle Scholar
Crampton, E. W. & Maynard, L. A. (1938). The relation of cellulose and lignin content to the nutritive value of feeds. J. Nutr. 15, 383–95.Google Scholar
Duncan, D. B. (1955). Multiple range and multiple F tests. Biometrics 11, 142.Google Scholar
Erwin, E. S., Marco, G. J. & Emery, E. M. (1961). Volatile fatty acid analyses of blood and rumen fluid by gas chromatography. J. Dairy Sci. 44, 1768–71.CrossRefGoogle Scholar
Gallagher, J. R., Watkin, B. R. & Grimes, R. C. (1966). An evaluation of pasture quality with young grazing sheep. I. Live-weight growth and clean wool production. J. agric. Sci., Camb. 66, 107–11.Google Scholar
Grimes, R. C, Watkin, B. R. & May, P. F. (1965). The botanical and chemical analysis of herbage samples obtained from sheep fitted with oesophageal fistulae. J. Br. Grassld Soc. 20, 168–73.CrossRefGoogle Scholar
Grimes, R. C, Watkin, B. R. & Gallagher, J. R. (1966). An evaluation of pasture quality with young grazing sheep. II. Chemical composition, botanical composition and in vitro digestibility of herbage selected by oesophageal-fistulated sheep. J. agric. Sci., Camb. 66, 113–19.CrossRefGoogle Scholar
Grimes, R. C. (1966). An estimate of the energy required for maintenance and live-weight gain by young grazing sheep. J. agric. Sci., Camb. 66, 211–15.CrossRefGoogle Scholar
Heady, H. F. & Van Dyne, G. M. (1965). Prediction of weight composition from point samples on clipped herbage. J. Range Mangt 18, 144–8.CrossRefGoogle Scholar
Mckenzie, H. A. & Wallace, H. S. (1954). The Kjeldahl determination of nitrogen: a critical study of digestion conditions—temperature, catalyst and oxidising agent. Aust. J. Chem. 7, 5570.CrossRefGoogle Scholar
Mclean, J. W., Thomson, G. G., Iversen, C. E., Jagusch, K. T. & Lawson, B. M. (1962). Sheep production and health on pure-species pastures. Proc. N.Z. Grassld Ass. 24, 5770.Google Scholar
Mclean, J. W., Thomson, G. G., Jagtjsch, K. T. & Lawson, B. M. (1965). Lamb growth and development in relation to pasture species. Proc. Ruakura Fmrs' Conf. Week, pp. 3442.Google Scholar
Milford, R. & Minson, D. J. (1965). The energy value of ryegrass and cocksfoot assessed by a slaughter technique with lambs. Br. J. Nutr. 19, 373–82.CrossRefGoogle ScholarPubMed
Panaretto, B. A. & Till, A. R. (1963). Body composition in vivo. II. The composition of mature goats and its relationship to the anti-pyrine, tritiated water, and n-acetyl-4-amino-antipyrine spaces. Aust. J. agric. Res. 14, 926–43.Google Scholar
Rae, A. L., Brougham, R. W., Glenday, A. C. & Butler, G. W. (1963). Pasture type in relation to live-weight gain, carcass composition, iodine nutrition and some rumen characteristics of sheep. I. Liveweight growth of the sheep. J. agric. Sci., Camb. 61, 187–90.CrossRefGoogle Scholar
Rae, A. L., Brougham, R. W. & Barton, R. A. (1964). A note on live-weight gains of sheep grazing different ryegrass pastures. N.Z. Jl agric. Res. 7, 491–5.CrossRefGoogle Scholar
Stapledon, R. G. (1933). Welsh Plant Breeding Station. An account of the organisation and work of the station from its foundation in April 1919 to July 1933.Google Scholar
Thomson, D. J. (1965). The effect of varying rumen volatile fatty acid proportions on the energy retention and carcass composition of lambs. Proc. Nutr. Soc. 24, xxvi.Google Scholar
Tilley, J. M. A. & Terry, R. A. (1963). A two-stage technique for the in vitro digestion of forage crops. J. Br. Grassld Soc. 18, 104–11.CrossRefGoogle Scholar