Abstract

Poultry industry are facing many challenges and osbtacles especially on the supply of feed ingredients, medicines, feed supplements and additives. The high price of protein source-feed ingredients has encouraged nutritionists to explore and utilize alternative protein source-feed ingredients for poultry. This review provides an overview of their nutritional and bioactive contents and the use of microalgae,<em> Chlorella vulga</em>ris and <em>Spirulina platensis</em> in poultry feed based on recent literature studies and their potential development and utilization in Indonesia. The microalgae <em>Chlorella vulgaris</em> dan <em>Spirulina platensis</em> have very high protein content that are potential as a protein source in poultry rations. In addition, <em>Chlorella vulgaris</em> and <em>Spirulina platensis</em> also contain several bioactive compounds that can be used as alternatives to antibiotics growth promoter and synthetic antioxidants for poultry. Indonesia has a great potential for the production of <em>Chlorella vulgaris</em> and <em>Spirulina platensis</em>, however massive cultivation and economies of scale have not yet been carried out. Such conditions make <em>Chlorella vulgaris</em> and <em>Spirulina platensis</em> less profitable as protein sources, but more likely as growth-promoting additives or antioxidants for poultry in Indonesia.

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