Aquaculture Technical Info



1. Interesting links about aquaculture:
Future of aquaculture

https://m.facebook.com/story.php?story_fbid=10154217681421044&id=143161121043

Kafue Fisheries showcases the real benefits of integrated aquaculture farming

On-farm Monosex Fingerling Production: Tilapia
http://aquaculturenamibia.blogspot.com/2017/03/on-farm-monosex-fingerling-production.html

Download: https://app.box.com/s/l6xa5jimrqd6dmhrs0w6czwi2bgx80b7


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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:
https://app.box.com/s/ks0cx9n1b3xy5hb5b20qh1fxez6ndy3j

Nutrition Aquaculture:
https://app.box.com/s/5r3t132pwcpqv4e5v19jd4rdqn8qwf84

Aquaculture Feed Formulation:
https://app.box.com/s/a02cbzhv8bgs0x00y5mckgax4ys3zwrl

Aquaculture Feed Extrusion Technology:
https://app.box.com/s/m8r21dhsb2ghbbn9dnrdmgz7qhqg62yz

Health Management in Aquaculture:
https://app.box.com/s/wcai89iouxx0qo44ciqfn0htb7gd7zub

Environment Monitoring in Aquaculture:
https://app.box.com/s/i1e6xgqlt05xvmisgw8y4h1fen9ubro7

Catfish Production:
https://app.box.com/s/cm2gb3abww5l3dr8djytiz4jogr2f18j

Aquatic Food Safety Control in Vietnam:
https://app.box.com/s/mdt3era8kh1ah6vx1e9chtwcg7h3g4v5

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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