PRINCIPLES OF POND FISH CULTURE 1. Fish are dependent for food directly or indirectly on plants. 2. The weight of fish which can be produced in natural waters is dependent upon the ability of the water to raise the plants. We could increase production by adding plant organic matter produced elsewhere. 3. The ability of water to produce plants is dependent upon sunshine, temperature, CO2, Mineral from soil or rocks, nitrogen (NO3- and NH4-) , O2 and water. 4. The Natural fertility of the water is dependent on the fertility of the soil in pond bottom and watershed. 5. Fertlity of water can be increased by adding inorganic fertilizers. 6. After adding all essential minerals and all available nitrogen, the next limiting factor is CO2. This compound can be increased by adding organic matter followed by liming (Ca, Mg). 7. The next limiting factor in fish production, after mineral and CO2 are provided, is oxygen demand of all living and dead organisms in the water. This can be supplied by ru...
At A Glance Fish of Gurame Kumpay Town of Tasikmalaya Fish of Gouramy kumpay [is] first time found [by] someone [in] River of Citanduy and in the year 2005 sold by Mr. Yoyo to Mr. Self- and in May 2006 Fish of Gouramy Kumpay start breeding by Mr. Self-, by traversing [among/between] 1 masculine mains [of] kumpay with wight 2,5 singk / go with the tide by 4 female mains tail of local type with female mains wight mean 3 singk / first cross ekor.Dari yield seed counted 25 tail which consist of 10 tail of gouramy black colour kumpay and 15 tail of gouramy white chromatic kumpay. Result of breeder hereinafter have yielded 800 size measure tail 3-5 cm at the price of Rp.100.000,- / tail, 600 size measure tail 5-8 cm at the price of Rp500.000,- / tail, 100 size measure tail 8-12 cm at the price of Rp.1.000.000,- / tail and 150 size measure tail 12-15 cm at the price of Rp.2.000.000,- / tail. Target of marketing besides around Tasikmalaya also there [is] request of Depok and of Bandung. used P...
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