Abstract
This study was analyzes the effectiveness of worm droppings on the growth rate of catfish and kale in buckets. The dose of worm excrement given was 75, 125, and 175 grams in 40 liters water. The positive control used 5 ml of EM 4 and the negative control was given plain water. The growth of catfish was observed for 9 weeks and every two weeks the morphometric in catfish weight and length were observed. In the first 4 weeks, the weight of kale was measured and analyzed for SGR value (growth rate), Survival Rate, Food Convention Ratio, and catfish weight data. In stage 1, the growth rate (SGR) of treatment with vermicompost was 125 g (0.18%), vermicompost 75 g (0.18%), vermicompost 175 g (0.17%), EM4 (0.16%), and the last is plain water (0.13%). Survival rate at this stage is above 90%. In stage 2, the SGR was treatment with 175 g vermicompost, 125 g vermicompost, and 75 g vermicompost at 1.10%, followed by 1.06% plain water, and 1.05% EM4. The lowest survival rate in positive control. The result showed that the treatment with vermicompost was effective at the larval-juvenile stage (stage 1) of catfish with effective treatment at 75 grams.
Highlights
In the pandemic era, it is necessary to innovate food security in families and communities that have been affected by the economy
Statistical data showed that there was an effect of treatment on catfish weight and catfish length, the larval stage of weeks 1 to 4 showed that giving vermicompost 75 was the best result in feeding catfish, the immature stage after week 4 showed control and administration of EM. 4 is the best
In 75 g vermicompost, the weight gain was higher than other treatments, this was because the number of nutrients produced from catfish manure and vermicompost was higher than other treatments
Summary
It is necessary to innovate food security in families and communities that have been affected by the economy. In the cultivation of catfish and kale in buckets, people have done this by providing microorganism growers in aquaculture ponds (Buckets) and providing food as fish pellets or red worms. Juvenile catfish that are 1-week old need other feed besides the microorganisms present in the media, high protein feed that can grow catfish juveniles is very much needed in this culture. There have been studies of giving worms to fish feed, but studies showing the provision of earthworm excrement in fish feed have not been found. This has prompted researchers to cultivate aquaculture of kale and catfish in buckets fed with worm manure. The benefits of this research will provide knowledge to people who want to use buckets as simple cultivation
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