Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-30T00:00:41.775Z Has data issue: false hasContentIssue false
  • English
  • Français

The grazing feed intake of Hereford and Brahman cross cattle in a cool temperate environment

Published online by Cambridge University Press:  27 March 2009

J. B. Moran
J. B. Moran
Affiliation:
Department of Livestock Production, University of New England, Armidale, N.S.W., Australia
Get access Rights & Permissions [Opens in a new window]

Summary

The grazing feed intake of four ¾ Brahman and four purebred Hereford steers was measured on four occasions during 12 months while they grazed improved pastures in a cool temperate environment. When pen fed roughage diets, the excretion pattern of chromic oxide and faecal nitrogen–digestibility relationships were also investigated in these animals.

There were no breed differences in the relative recovery of Cr2O3 in the faeces when bulking 10.00 and 17.00 h samples nor were there breed differences in the faecal nitrogen–digestibility regression obtained. However, although there were large discrepancies between feed intake and live-weight change when measured in different seasons, the Herefords had the higher feed intake on each occasion while breed differences in live-weight change were non-significant.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 86 , Issue 1 , February 1976 , pp. 131 - 134
Copyright
Copyright © Cambridge University Press 1976

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

Ashton, G. C. (1962). Comparative nitrogen digestibility in Brahman × Shorthorn, Africander × Hereford and Hereford steers. Journal of Agricultural Science, Cambridge 58, 333–41.CrossRefGoogle Scholar
Brody, S. (1956). Climate physiology of cattle. Journal of Dairy Science 39, 716–25.CrossRefGoogle Scholar
Christian, K. A. & Coup, M. P. (1954). Measurement of feed intake by grazing cattle and sheep. VI. The determination of chromic oxide in faeces. New Zealand Journal of Science and Technology A 36, 328–30.Google Scholar
Corbett, J. L. & Farrell, D. J. (1970). Energy expenditure of grazing sheep. Proceedings of the Xlth International Grassland Congress, Surfers Paradise, 754–7.Google Scholar
Frisch, J. E. & Vercoe, J. E. (1969). Liveweight gain, food intake and eating rate in Brahman, Africander and Shorthorn × Hereford cattle. Australian Journal of Agricultural Research 20, 1189–95.Google Scholar
Lambourne, L. J. & Reardon, T. F. (1963). The use of chromium oxide and faecal nitrogen concentration to estimate the pasture intake of Merino wethers. Australian Journal of Agricultural Research 14, 257–71.CrossRefGoogle Scholar
Langland, J. P., Corbett, J. L. & McDonald, I. (1963). The indirect estimation of the digestibility of pasture herbage. III. Regressions of digestibility on faecal nitrogen concentration: effects of species and individuality of animal and of method of determining digestibility upon the relationships. Journal of Agricultural Science, Cambridge 61, 221–6.CrossRefGoogle Scholar
Ma, T. S. & Zuazaga, G. (1942). Micro-kjeldahl determination of nitrogen. Industrial Engineering and Chemistry 14, 280–2.Google Scholar
Moran, J. B. (1970 a). Seasonal and diurnal variations in body temperature of Hereford and Brahman cross cattle in a cool temperate environment. Journal of Agricultural Science, Cambridge 74, 205–7.CrossRefGoogle Scholar
Moran, J. B. (1970 b). Brahman cattle in a temperate environment. I. Live-weight gains and carcass characteristics. Journal of Agricultural Science, Cambridge 74, 315–21.CrossRefGoogle Scholar
Moran, J. B. & Vercoe, J. E. (1972). Some factors affecting apparent nitrogen digestibility of roughage diets fed to cattle. Journal of Agricultural Science, Cambridge 78, 173–7.CrossRefGoogle Scholar
Phillips, G. D., Hungate, R. E., MacGregor, A. & Hungate, D. P. (1960). Experiments on rumen retention time, fermentation rate and dry-matter digestibility in Zebu and European-type cattle on a grass hay ration. Journal of Agricultural Science, Cambridge 54, 417–20.CrossRefGoogle Scholar
Snedecor, G. W. & Cochran, W. G. (1967). Statistical Methods, 6th edn, pp. 419–46. Ames, Iowa, U.S.A.: Iowa State University Press.Google Scholar
Vercoe, J. E. (1967). Breed and nutritional effects on the composition of faeces, urine and plasma from Hereford and Brahman × Hereford steers fed on high and low quality diets. Australian Journal of Agricultural Research 18, 1003–13.CrossRefGoogle Scholar