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The antioxidant property of astaxanthin reveals its tremendous potential to offer multiple health benefits among animals, which is the key factor triggering the new increase in its global demand. Numerous scientific researches over a number of years have persistently demonstrated the key role of astaxanthin in targeting several animal health conditions. Astaxanthin is used as a natural animal feed additive, providing orange to red color in farm-raised salmon and egg yolks. Also is becoming increasingly popular as a supplement in pet food, due to studies that have shown that dogs and cats can not only absorb astaxanthin but could positively affect their vision and enhance their overall health. There is also a wide range of other physiological benefits that this natural antioxidant pigment confers to these and other animals, which include improvements in survival, growth performance, reproductive capacity, stress tolerance, disease resistance, and immune-related gene expression.

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