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Effect of Dietary Supplementation of Zinc Nanoparticles Prepared by Different Green Methods on Egg Production, Egg Quality, Bone Mineralization, and Antioxidant Capacity in Caged Layers
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Effect of Dietary Supplementation of Zinc Nanoparticles Prepared by Different Green Methods on Egg Production, Egg Quality, Bone Mineralization, and Antioxidant Capacity in Caged Layers
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Effect of Dietary Supplementation of Zinc Nanoparticles Prepared by Different Green Methods on Egg Production, Egg Quality, Bone Mineralization, and Antioxidant Capacity in Caged Layers
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Journal Article
Effect of Dietary Supplementation of Zinc Nanoparticles Prepared by Different Green Methods on Egg Production, Egg Quality, Bone Mineralization, and Antioxidant Capacity in Caged Layers
2023
Overview
The present study was planned to evaluate the effect of dietary zinc-oxide (ZnO) nanoparticles synthesized by different plant extracts on egg production, egg quality, bone mineralization, and antioxidant capacity in caged layers. Nanoparticles of ZnO were synthesized by using extracts of
Allium sativum
(AS),
Aloe vera
(AV),
Curcuma longa
(CL), and
Zingiber officinale
(ZO). Different sources of nano ZnO (AS, AV, CL, and ZO) with varying levels (35, 70, or 105 ppm) were tested on 288 caged LSL layers of 25 weeks of age. Each diet was offered to 4 replicates of 6 birds each level and the duration of trial was 8 weeks. Daily egg production, feed consumption, and fortnightly egg quality parameters were recorded. Egg quality parameters (egg weight, egg mass, shape index, yolk index, albumen index, Haugh unit score, specific gravity, and eggshell thickness) were determined fortnightly by taking 2 eggs from each replicate randomly. Antioxidant capacity and bone mineralization were determined at the end of the trial. Results showed that the nano ZnO preparations were not effective (
P
< 0.05) on laying performance but additional levels (70 ppm) improved egg production, feed conversion ratio, egg mass, Haugh unit score, and antioxidant capacity of chickens. An interaction was found among nanoparticles prepared by
Allium sativum
and
Zingiber officianale
extracts with 70 ppm level regarding total antioxidant capacity and egg production (
P
> 0.05). Interaction among source and level was not found regarding feed intake, feed conversion ratio, egg quality, bone characteristics, and concentration of Zn. Results of the present study suggest that nano ZnO sources may not be a factor that affects performance, but level affects the birds’ physiology. Thus, it is concluded that nano ZnO with 70 ppm concentration is sufficient to optimize the laying performance.
