Nanotechnology is an emerging field of science having various applications in different sectors. In view of these varied applications, the food & feed industry is amongst the main sectors eagerly seeking ways to get the potential benefits offered by this technology. The nanotechnology applications in the livestock feeding systems are mainly intended to increase the animal performance by enhancing their immunity, antioxidant activities and growth performance. The major limiting factor associated with conventional mineral supplements is its bioavailability. However, it is not associated with nano minerals since they are having very small sizes (ranging 1 to 100 nm) and larger surface area for higher reactivity increases the bioavailability. Surprisingly the recent evidences on nano mineral supplementation are also reported with promising results. Supplementation of selenium, chromium and zinc in nano particle form shown improved performance in poultry, pigs and ruminants. Although application of nano minerals in animal nutrition is immense, they are claimed to be having some health risks. The supplementation of nano silver in broiler diets reduced the bird�s performance in addition to inducing oxidative stress. Hence the safety aspects of nano minerals are needed to be addressed before being applied in animal feeding. Despite its importance is imminent, the nanotechnology applications in livestock feeding systems are still in its infancy and there is a need for further research in this area.
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