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The effect of different zinc sources on performance, blood mineral and cell counts of Zandi lambs

Document Type : Research Paper

Authors

1 MSc., Department of Animal and Poultry Science, College of Abouraihan, University of Tehran, Pakdasht, Iran

2 Assistant Professor, Department of Animal and Poultry Science, College of Abouraihan, University of Tehran, Pakdasht, Iran

3 Associate Professor, Department of animal and Poultry Science, College of Abouraihan, University of Tehran, Pakdasht, Iran

Abstract

This research was conducted to evaluate the effect of different zinc (Zn) sources on performance, blood
mineral and cell counts of Zandi lambs. 18 male lambs at weaning were supplemented with two different
sources of zinc, 25 ppm ZnSO4 and 25 ppm zinc-peptide added to the basal diet as control. Live body
weight, weight gain and feed efficiency improved with Zn-peptide supplementation (P<0.05). Sera Zn
concentration was higher and copper and iron concentration was lower in zinc supplemented groups
(P<0.05). Supplementation of zinc had no effect on blood cell counts except for white blood cells that
decreased with zinc peptide supplementation (P<0.05). It was concluded that adding 25 ppm zinc peptide
to fattening lamb diet improved performance and cause to higher level of blood zinc.

Keywords

References
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Animal Production
Volume 15, Issue 2 - Serial Number 2
October 2013
Pages 109-115
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