Zinc Oxide Nanoparticles Significant Role in Poultry and Novel Toxicological Mechanisms

Abstract

Zinc oxide nanoparticles (ZnO NPs) have involved a lot of consideration owing to their distinctive features. ZnO NPs can be described as particularly synthesized mineral salts via nanotechnology, varying in size from 1 to 100 nm, while zinc oxide (ZnO), it is an inorganic substrate of zinc (Zn). Zn is a critical trace element necessary for various biological and physiological processes in the body. Studies have revealed ZnO NPs' e cient immuno-modulatory, growth-promoting, and antimicrobial properties in poultry birds. They offer increased bioavailability as compared to their traditional sources, producing better results in terms of productivity and welfare and consequently reducing ecological harm in the poultry sector. However, they have also been reported for their toxicological effects, which are size, shape, concentration, and exposure route dependent. The investigations done so far have yielded inconsistent results, therefore, a lot of additional studies and research are required to clarify the harmful consequences of ZnO NPs and to bring them to a logical end. This review gives an overview of the possible role of ZnO Nano particles in the poultry industry, primarily as dietary supplements that effect on the growth, health, and performance of the birds. In addition to the anti-bacterial mechanisms of ZnO NPs and their promising role as anti-fungal, and anti-colloidal agent, this paper also covers the toxicological mechanisms of ZnO NPs and their consequent toxicological hazards to vital organs and the reproductive system of poultry birds.

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