Abstract
The technical assessment of Trachinotus blochii in Ninh Thuan and Khanh Hoa from from September to December 2018, this is the basis for proposing solutions to improve the technical efficiency of cage fish farming. Subject directly interviewed 42 farmers prepared form with the contents of the technical aspect, the economic efficiency of animal model. With Trachinotus blochii farming model in Ninh Thuan and Khanh Hoa: average volume of 50.4-60.2 m3 cage with stocking density is 4.5-12.5 /m3; the average size of 5.2-5.4 cm breed; culture period ranged 9-11 months, the size fish harvested from 0.99-1.03 kg/head; survival rate of 76.6-85.7% average fish. The average FCR of 8.3-18.8; average yield of 353.1-1019.4 kg/m3; The average profit of 103.5-152.8 million fish/100m3. The rate of return 41,6-56,4. Overall, farming Trachinotus blochii in cages and in the Ninh Thuan and Khanh Hoa bring high efficiency but not stable. Need planned reorganization farming areas and good looking fish increase and reach a high survival rate.
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