Aquaculture Technical Info

1. Interesting links about aquaculture:
Future of aquaculture

Kafue Fisheries showcases the real benefits of integrated aquaculture farming

On-farm Monosex Fingerling Production: Tilapia



2. Technical Material on Freshwater Aquaculture for fish farmers/students/extension workers/ interested persons:

Technical Material courtesy of the Research Institute for Aquaculture (RAI) No1: Vietnam

Tilapia lessons:

Nutrition Aquaculture:

Aquaculture Feed Formulation:

Aquaculture Feed Extrusion Technology:

Health Management in Aquaculture:

Environment Monitoring in Aquaculture:

Catfish Production:

Aquatic Food Safety Control in Vietnam:

Fish Feed Formula: Make it yourself 2015 raw material costs

The current cost (2016) of 25% protein fish feed is about N$ 11 250/ton (FOB Katima Mulilo) due to increase in cost of raw materials
The current cost (2016) to produce 1kg of tilapia (3-Spot) is about N$ 25,22 (Feed Conversion Ratio of 1.57:1 achieved at Epalela fish farm). This is for mixed sex production. All male production with the use of male hormone (
17-α Methyl-testosterone) will improve growth rates and FCR with resulting improved growth figures.

3. How to make all male Tilapia feed with 17 Alfa Methyl Testosterone (MT)

Materials to prepare 1 kg MT diet:

• Dose of MT (17-α Methyl-testosterone): 60 mg/kg diet
• Vitamin C 100%: 10 g/kg diet
• Low salt fish meal (NaCl<2%): 1 kg
• Ethyl Alcohol 95%: 300 mL
• Electric balance (Precision 0.01 g)
• Drying sheet
• Bucket: 1 bucket 

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