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Effects of natural zeolite (clinoptilolite) on eggshell quality

Published online by Cambridge University Press:  23 November 2017

M. Malecky ,
M. Shivazad  and
A. Nikkhah
M. Malecky*
Affiliation:
Department of Animal Science, University of Tehran, Karaj, Iran
M. Shivazad
Affiliation:
Department of Animal Science, University of Tehran, Karaj, Iran
A. Nikkhah
Affiliation:
Department of Animal Science, University of Tehran, Karaj, Iran
*
Email: [email protected]
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Extract

Using inorganic additives is one suggested approach for improvement of performance or for preventing some disorders and poisoning of farm animals. One of those which use in animal diets is zeolite. There are more than 40 types of natural zeolites, of which one of the commonest is Clinoptilolite. Clinoptilolite has a relatively constant crystalline structure and has good adsorption properties. One of the most important problems in the poultry industry is low eggshell quality, particularly at end of lay. This leads to problems such as the breaking of egg in transport. Research on this has indicated positive effects of zeolites. Adding 1.5% clinoptilolite causes a significant increase in the calcium CA concentration of serum (Hossein et al., 1994). Olver (1989) observed a significant increase in eggshell thickness when 5% clinoptilolite was added to the diet of laying hens. The purpose of present study was to investigate the effect of different dietary concentrations of clinoptilolite on some blood parameters and eggshell quality.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2005 , 2005 , pp. 168
Copyright
Copyright © The British Society of Animal Science 2005

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References

Olver, M. D. 1989. Effect of feeding of clinoptilolite (zeolite) to three strain of laying hens. British Poul Sci. 303: 115–121.CrossRefGoogle Scholar
Roland, D. A. Robon, S. R. and Frost, T. J. 1990. Responses of commercial leghorns to sodium aluminosilicate when fed different levels and source of available phosphorus. Poultry Sci. 303: 115–121.Google Scholar
Hossein, S., Bertechini, A. G. and Nobre, P. T. C. (1994). Effect of natural zeolite and amount of calcium on performance and characteristics of plasma and tibia of broiler fowls. Brasileiro-de-Medican-Veterinarian Zootechnia. 46: 545–552.Google Scholar