Jul 5, 2022 · How to make tilapia fish feed - Fish Feed Extruder Machine Price Feeding is as follows: twice a day, two periods: 8 a.m. to 9 a.m. and 3 p.m. to 4 p.m. Catch 30 to 50 fish every 15 to 20 days to calculate the average weight to analyze the growth of tilapia fish, which helps adjust feeding speed to help the fish grow healthily.