Maskulinisasi Ikan Cupang (Betta Sp) Melalui Perendaman Larva dengan Estrak Pasak Bumi, Propolis Madu dan 17α-Metyltestosterone

The purpose of this research is to know the effectiveness use Pasak Earth Extract, Propolis Madu and 17-α Metyltestosteron on sex ratio Betta sp. This study was conducted using a complete randomized design (RAL) with 4 treatments 3 replications. treatment consists immersion Estrak methanol tongkat (EPB) concentration dose 10 ml / liter, B by soaking propolis Honey 60 C 17α-methyltestosterone at 500 mg Liter (control +) Treatment D water without hormone -) results showed that betta fish treated male percentage 89.26%, Bumi Extract Amounted 68.54%. equal 53.63% hormonal 43.13%. (Control -). Genetically in normal circumstances will produce offspring female 50%: 50%. Sex can be directed majority males females interests technique change. higher an indicator success masculinization techniques fish.