By Ram C. Bhujel

The last word aim is to accomplish nutrients protection, create employment and earn a living. This booklet is an try to support advance the tilapia whereas holding these targets in brain. This guide is written to hide all points of tilapia farming as a enterprise. ranging from the significance of tilapia tradition, it covers specific tools of a confirmed hatchery expertise that has ensured creation and provide of thousands of top quality monosex tilapia fry, accelerating the expansion of the tilapia globally. additionally, it describes how one can effectively develop tilapia in ponds and cages, and in polyculture and built-in farming structures. The handbook additionally covers a few biosecurity and fish healthiness administration elements and in addition postharvest dealing with, meals security, quality controls and advertising. This guide should be worthy to farmers, farm managers, extension staff, coverage makers, researchers, educators, specialists and scholars (undergraduate and postgraduate). to be had In Print

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Stunting was found to be common in systems where males and females reproduce rapidly due to overcrowding and when limited food is available. For this reason, Java tilapia became a nuisance, appearing in rivers, lakes, canals and other water bodies and creating the notion that tilapia was a problem species. However, it has a high salinity tolerance and so is normally used for hybridization with Nile tilapia to produce a species with a relatively higher salinity tolerance, as well as red tilapia.

STEP 16. Bowls are kept floating on the water surface and more eggs/larvae of the same stage are mixed from other females. STEP 17. Once all the broods in each hapa or tank are checked, seeds are transferred to the hatchery for cleaning, keeping them in separate bowls (Fig. 23) at each stage described in the following section. Fig. 20. Green and white scoop nets for seed collection from mouths of female tilapia. 38 Chapter 2 Fig. 21. Catching brooders for egg collection. Fig. 22. Egg collection from the mouth of tilapia.

2. Pond space requirement for broodstock, nursing and sex-reversal systems. Pond requirement Scale of operation 1. Small-scale No. of ponds Suitable size (m2) Length × breadth (m) Total water area (m2) 2. Medium-scale No. of ponds Suitable size (m2) Length × breadth (m) Total water area (m2) 3. Large-scale No. of ponds Suitable size (m2) Length × breadth (m) Total water area (m2) Broodstock Sex reversal Nursery Total 3 1,200 24 × 50 3,600 3 400 20 × 20 1,200 3 600 30 × 20 1,800 9 – 9 2,400 24 × 100 21,600 3 600 30 × 20 1,800 3 600 30 × 20 1,800 9 4,800 24 × 200 43,200 4 800 40 × 20 3,200 4 800 40 × 20 3,200 6,600 15 – 25,200 17 – 49,600 16 Chapter 2 Broodstock ponds Reservoir 1 Sex reversal ponds Hatchery Open space Nursing ponds Fry conditioning and packing Parking Reservoir 2 Road Office Fig.

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