By Ram C. Bhujel
The final word aim is to accomplish meals protection, create employment and generate profits. This ebook is an try and aid increase the tilapia whereas preserving these pursuits in brain. This handbook is written to hide all elements of tilapia farming as a enterprise. ranging from the significance of tilapia tradition, it covers special tools of a confirmed hatchery expertise that has ensured construction and provide of hundreds of thousands of top quality monosex tilapia fry, accelerating the expansion of the tilapia globally. furthermore, it describes easy methods to effectively develop tilapia in ponds and cages, and in polyculture and built-in farming platforms. The handbook additionally covers a few biosecurity and fish health and wellbeing administration features and in addition postharvest dealing with, foodstuff defense, qc and advertising and marketing. This handbook can be important to farmers, farm managers, extension employees, coverage makers, researchers, educators, specialists and scholars (undergraduate and postgraduate). to be had In Print
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Use a clean hapa to replace the fouled one. Changeover is usually done on completion of the egg harvest in the case of breeding hapa. Broodfish are gathered in one corner or in another small hapa. STEP 3. Dry the dirty hapa in the sun for 2–3 days, either on the pond dyke itself or in any other open area, so that algae will die completely. STEP 4. Soak the hapa in tanks of clean water for 1–2 days. STEP 5. Use either a hard brush to clean the hapa manually or use a highpressure water hose. STEP 6.
Soak the hapa in tanks of clean water for 1–2 days. STEP 5. Use either a hard brush to clean the hapa manually or use a highpressure water hose. STEP 6. Clean the hapa again and store in a dry room. 6 Water source and supply system The water source for any fish farm varies from underground tube wells, irrigation canals, streams, rivers, reservoirs, or thermal plants. Because water is scarce in most areas, a major part of any tilapia hatchery system is a water recirculation system for the artificial incubation of eggs.
5) and face water quality problems, which may result in the death of fish, low egg production, fry mortality, and so on. 2 m Overflow pipe Outlet pipe Fig. 2. Simple method of pond construction. 8 m 10 m2 = 5 m x 2 m 20 m2 = 4 m x 5 m 40 m2 = 8 m x 5 m 60 m2 = 12 m x 5 m 120 m2 = 24 m x 5 m Fig. 3. e. sex reversal, nursing and breeding. Hapa installation / set-up 20 cm above water 70 cm under water 20 cm below hapa 20– 40 cm under mud Fig. 4. Setting up of a hapa in a pond. 5 Cleaning of a hapa Hapas get fouled very quickly in many cases; they need to be cleaned fairly frequently and this can be a big job and is often costly.