<![CDATA[Whiteleg shrimp (Litopenaeus vannamei) is a high-value aquaculture commodity in Indonesia, with continuously increasing production. However, the high cost of imported feed poses a challenge, necessitating alternative local feed ingredients such as green tea leaves, which are rich in catechins, to improve feed efficiency. This study aimed to evaluate the effect of green tea leaf powder supplementation on the growth and survival rate of whiteleg shrimp. A Completely Randomized Design (CRD) was employed with six treatments (0, 0.125, 0.25, 0.5, 1, and 2 g/kg feed) and three replications over 49 days. The results showed that the 0.25 g/kg dose yielded the best absolute weight gain (0.67 g), absolute length gain (3.36 cm), specific growth rate (13.30%/day), feed efficiency (90.82%), and feed conversion ratio (1.10), significantly differing from other treatments. Shrimp survival rates remained high (>90%) across all treatments. It was concluded that supplementing 0.25 g/kg green tea leaf powder in feed optimally enhances growth and feed efficiency in whiteleg shrimp without affecting survival rates. ]]>
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