Physical Characteristics of Indigofera-based Feed and Its Application on Sinyonya carp. (Cyprinus carpio)
Abstract
The aquaculture industry faces significant challenges related to the availability and cost of feed ingredients because Feed allocation accounts for 70-80% of aquaculture production costs. Efforts to reduce feed costs can be made by seeking alternative feed ingredients such as local plants, agricultural waste, and other plant-based materials. Indigofera is a plant-based ingredient that has good nutritional content, making it a potential feed ingredient for fish. The use of plant-based materials like Indigofera can be a solution to reduce production costs and utilize abundant local resources. This study aims to examine the physical characteristics of Indigofera-based feed and its application in the cultivation of Sinyonya carp (Cyprinus carpio). The research was conducted using a completely randomized design with 5 treatments and 3 replications. The parameters observed were the physical tests of fish feed, including buoyancy, hardness, and disintegration rate, as well as the absolute growth, specific growth rate, and survival rate of Sinyonya carp. The results showed that the physical characteristics of Indigofera-based feed indicated good feed quality. There were no significant differences in the parameters of buoyancy, hardness, and disintegration rate of the fish feed. The application of Indigofera-based feed had a significant effect on the absolute growth and daily growth rate of Sinyonya carp but did not have a significant effect on their survival rate. Treatment D was the best treatment, showing the highest absolute growth and daily growth rate. Therefore, Indigofera-based feed supplementation can be used for the cultivation of Sinyonya carp.
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