Effect of coating zeolite with nanosilver on performance and efficiency of energy and protein efficiency in broiler chickens

Document Type : Research Paper

Authors

1 M. Sc. Student, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

2 Assistant Professor, Iranian Institute of Agricultural Biotechnology, Iran

3 Professor, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

4 Associate Professor, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

5 Former M. Sc. Student, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

Abstract

This experiment was carried out to study the effect of coating zeolite with nanosilver on performance, energy and protein efficiency and the weight of liver, spleen and burs of fabricius in broilers, using 375 Cobb strain chicks in a completely randomized design with five treatments, five repetitions and 15 chicks in each replicate. Treatments were included basal diet and basal diet supplemented with one percent zeolite coated with different levels of nanosilver (zero, 0.25, 0.50 and 0.75 ppm). Broilers performance investigated weekly. Energy and protein efficiency were calculated in each period of production. On days of 21 and 42 two birds from each experimental unit were slaughtered to measure the weight of internal organs. The results didn’t show any significant different in weight gain and feed intake between exmerimental diets. The efficiency of energy and protein increased significantly on grower period and total period of production (p<0.05). By increasing the level of nanosilver, weight of liver and bursa were increased and decreased respectively (p<0.05). In conclusion according to the result of this research using zeolite coated with nanosilver can improve the efficiency of energy and protein in broiler chickens. 

Keywords


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