june 20 Methode: Feed administration Fish: Tilapia fry 4-5 days old Hormone: 17a-methyl testosteron Hormone dosage: 50-70 mg/kg feed Treatment duration: 21 days Feed: combination of sieved-rice bran and fish meal at ratio 3:1 Feeding rate: 20%, 15% and 10%… Read moreTilapia Sex-Reversal Practiced in Thailand