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Heat stress has been associated with depressed growth in meat-type
birds and a decline in egg production and quality in laying hens. During heat
stress, feed intake tends to decrease, thus the availability of certain important
minerals is reduced. Chromium (Cr) is one such mineral which is required for
maintaining growth performance in poultry due to its role in growth, metabolism
and alleviation of lipid peroxidation. The available scientific literature on
Cr has documented the beneficial effects of this essential mineral in improving
poultry performance under conditions of environmental heat stress. In the present
study, past and present information about the specific role of Cr in heat-stressed
poultry is presented.
