Abstract
Hickey fish (Betta sp.) Is famous for its aggressive nature and habits of fighting with same-sex, so called fighting fish. Fish body color is colorful, so the appeal of the fans and hobbyists to collect it. Classic colors such as red, green, blue, gray, and combinations are common. New colors also appear from yellow, white, orange, to metallic colors such as copper, platinum, gold, and a combination thereof. The research was conducted from May to August 2017 at the aquaculture laboratory of Satya Negara Indonesia University (USNI), the test fish used was betta sp. (0.24) with an average length of 4 cm, kept in glass jar As many as 12 units. The results showed that the artemia to be fed with a ratio of 1: 1 can provide the most optimum effect in improving the brightness of betta fish. Parameter of survival rate, growth rate of weight, absolute long growth, analyzed using F test with 95% confidence interval. Data were analyzed using the help of Microsoft Excel 2010 and Minitab 16 software. Some parameters were discussed using descriptive analysis. The best stocking density on the maintenance of betta fish with 50% change of water occurred at density 3 tail / liter with value of SR 93,47%, LPS with value 0,72 ± 0,19 gram.
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