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Effects of mineral premix withdrawal or reduction on broilers performance

Published online by Cambridge University Press:  23 November 2017

B. Navidshad ,
A. Jafari Sayadi  and
A. Abolghasemi
B. Navidshad*
Affiliation:
Animal Science Department, College of Agriculture, University of Tehran, Karaj, Iran
A. Jafari Sayadi
Affiliation:
Animal Science Department, College of Agriculture, University of Guilan, Rasht, Iran
A. Abolghasemi
Affiliation:
Animal Science Department, College of Agriculture, University of Guilan, Rasht, Iran
*
Email: bnavidshad@yahoo.com
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Extract

Many studies have been carried out to reduce dietary mineral premix level with no adverse effect on broiler performance. Controversial results have been reported in this respect. Deyhim et al (1994) showed that at normal temperature and also under heat stress at 28-49 days of age, removing mineral and vitamin supplements cause reduction in performance, but withdrawal of mineral premix alone, didn’t affect production. Christmas et al (1995) suggest that it is possible to removing vitamin and mineral supplements from finisher diets of broiler chickens at last week of raring period. The aim of this trail was study of effect of withdrawing or reduction mineral premix from diets with normal vitamin premix level on broilers performance.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2005 , 2005 , pp. 161
Copyright
Copyright © The British Society of Animal Science 2005

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References

Christmas, R. B., Harms, R. H. and Sloan, D. R. 1995. The absence of vitamins and trace minerals and broiler performance. Applied Poultry Research. 4: 407– 410.Google Scholar
Deyhim, F., Doffay, J. M. and Teeter, R. G. 1994. The effects of heat distress environment and vitamin or trace mineral supplementation on growth and cell mediated immunity in broiler chicken. Nutrition Research. 14: 587–592.CrossRefGoogle Scholar
National Research Council, 1994. Nutrients Requirements of Poultry. National Academy Press, Washington, DC.Google Scholar
SAS (1995) Statistical Analysis System, 1995, SAS User’s Guide, SAS Institute.Google Scholar