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PAPER VIII (C) Aquaculture
1. General introducation to Aquaculture.
2. Types of Aquaculture :
(i) Pond Culture.
(ii) Fish Culture in sewage-fad waters.
(iii) Brackish water fish culture.
(iv) Mariculture-prospects of coastal aquaculture.
3. Pond Culture :
(i) Construction and preparation of hatching, nursery, rearing and stocking ponds;
(a) Selection of site.
(b) Dimensions and area.
(c) Source of water and droinage facilities
(d) Physicochemical characteristics of water and soil.
(e) Planklton. its classification and distribution; Productivity of culture waters.
(f) Fertilization, manuring and arificial feeding
(g) Growth rates
(h) Common diseases of cultured fishes (fin rot, furunculosis,Ichthyopthiriasis and Argulus infection).
(i) Induced breeding of cultivated fishes.
(ii) Monoculture and composite fish culture.
(iii) Airbreathing-fish culture.
(iv) Economics of pond culture; cost-benefit ratio.
4. Fish-cufturs in sewage-fed waters
(a) Sewage and its treatment
(b) Use of treated as aditive in fish pond
(c) Suitable species for culture.
(d) Scope of this low-input technology.
5. Fish-Culture in Brackish Water
(a) Suitable species-emphasis on mullets and milkfish.
(b) Collection of hatchings from natural sources.
(c) Management
(d) Marketing and export potential
6. Maricufture
(a) Edible and pearl oyster culture
(b) Prawn culture.
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