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The effect of the proportion of roughage in the diet, diethylstilboestrol implantation and space allowance on the performance of Israeli-Friesian intact male calves†

Published online by Cambridge University Press:  02 September 2010

Z. Holzer ,
D. Ilan  and
D. Levy
Z. Holzer
Affiliation:
Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
D. Ilan
Affiliation:
Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
D. Levy
Affiliation:
Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
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Summary

The effects of the proportion of hay in the diet (18 or 40%), implantation of diethylstilboestrol and the type of housing on the performance of male calves was examined over the growth period from 250 to 500 kg live weight in a 2×2×2 factorial experiment. The dry-matter consumption per 100 kg of live weight was lower and the live-weight gain and efficiency of conversion of crude metabolizable energy was higher with the diet containing 18% of hay than with that containing 40%. Diethylstilboestrol implantation had only a small effect on performance. Animals that were allowed yard space in addition to pens gained less rapidly, were less efficient in the conversion of energy into live weight, and were somewhat leaner, than those restricted to pens.

Type
Research Article
Information
Animal Production , Volume 16 , Issue 1 , February 1973 , pp. 31 - 35
Copyright
Copyright © British Society of Animal Science 1973

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References

REFERENCES

Agricultural Research Council. 1965. The Nutrient Requirements of Farm Livestock. No. 2. Ruminants. Agricultural Research Council, London.Google Scholar
Bailey, C. M., Probert, C. L. and Bohman, V. R. 1966. Growth rate, feed utilization and body composition of young bulls and steers. J. Anim. Sci. 25: 132–137.Google Scholar
Baxter, S. H. and Soutar, D. S. 1964. Slatted floors for intensive beef. Farm buildings, Autumn. (Referred to by Preston, T. R. and Willis, M. B. 1970. Intensive Beef Production. Pergamon Press, London.)Google Scholar
Bondi, A. and Neumark, C. 1960–1961. [Table of composition of feeds for cattle and sheep.] Agricultural Calendar. Hassadeh Publ.Google Scholar
Casas, M. and Raun, N. S. 1964. Effect of stilbestrol implantation on feedlot bulls. J. Anim. Sci. 23: 870 (Abstr.).Google Scholar
Folman, Y. and Volcani, R. 1964. Diethylstilbestrol castration of male ruminants and its effect on growth rate, feed efficiency and carcass composition. Spec. Bull. Nat. Univ. Jnst. Agric, Rehovot., No. 65.Google Scholar
Kxosterman, E. W., Johnson, L. J. and Roller, W. L. 1965. Fattening cattle on steel slatted floors. Ohio Agric. Res. Devel. Center, Res. Summary, 7: 19.Google Scholar
Levy, D. and Holzer, Z. 1971. The relative value of concentrates and roughage for fattening cattle. Anim. Prod. 13: 569–579.Google Scholar
Levy, D., Holzer, Z. and Volcani, R. 1970. Concrete slatted floors versus bedding for fattening Israeli-Friesian bull calves. J. Anim. Sci. 31: 816–820.Google Scholar
Preston, T. R. and Willis, M. B. 1970. Intensive Beef Production. Pergamon Press, London.Google Scholar
Wipf, V. K., Carpenter, J. W., Chapman, H. L. Jr, Palmer, A. Z. and Cunha, T. J. 1964. Effects of slaughter age and diethylstilbestrol implants on feed lot performance and carcass characteristics of bulls and steers. J. Anim. Sci. 23: 865 (Abstr.).Google Scholar