Culture method of Tilapia
A breeding method and tilapia technology, applied in the field of fish breeding, can solve the problems of many diseases, low survival rate and low comprehensive yield per mu, and achieve the effects of high yield, improved survival rate and reduced drug cost.
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Embodiment 1
[0029] The area of the pond is 6000㎡, the water depth is 2.1 meters, and 3 sets of 3kw impeller aerators and 3 sets of automatic feeding machines are installed. After the pond was drained on October 29, 2008, a total of 1350kg of quicklime with a concentration of 150kg / 667㎡ was used to spray and disinfect the pond; on November 10, the pond was filled with water. On November 26, 1,080 grass carp species with an average size of 250 g / tail were placed in the pond (density 120 fish / 667㎡).
[0030] From November 26th to December 25th, and from February 19th to April 20th, 2009, the water temperature in the pond was higher than 15°C, and 1% of the fish body weight was calculated (the bait coefficient was 1.5) every day. The floating grass carp pellet feed with a protein content of 26% was artificially fed once a day at 13:00.
[0031] On April 20, 2009, the water temperature in the pond remained above 18°C for 7 consecutive days, and 13,500 large-scale overwintering tilapia (1,...
Embodiment 2
[0036] The area of the pond is 6333.5㎡, the water depth is 2.2 meters, 3 sets of 3kw impeller aerators and 3 sets of automatic feeding machines are installed. After the pond was drained on October 25, 2008, 1424㎏ quicklime (concentration: 150㎏ / 667㎡) was used to disinfect the whole pond; on November 6, water was injected into the pond at a depth of 2.0 meters, 11 On March 22, 1995 grass carp fingerlings with an average size of 250 g / tail were placed in the pond (density 210 / 667㎡).
[0037] After stocking grass carp species, when the pond water temperature is higher than 15°C, feed 1% of the fish body weight according to the calculation (the bait coefficient is 1.5) every day, and feed the floating grass carp pellet feed with a protein content of 26%, at 13:00 every day Artificial feeding was adopted once.
[0038] On April 18, 2009, the water temperature in the pond remained above 18°C for 7 consecutive days, and 14,250 large-scale overwintering tilapia (1,500 / 667㎡ density...
Embodiment 3
[0043] The area of the pond is 6666.7㎡, the water depth is 2.5 meters, and 4 sets of 3kw impeller aerators and 3 sets of automatic feeding machines are installed. After the pond was drained on October 27, 2008, a total of 1500kg of quicklime with a concentration of 150kg / 667㎡ was used to disinfect the pond; on November 7, water was injected into the pond to a depth of 2 meters. On November 18, 3,000 grass carp fingerlings with an average size of 250 g / tail were placed in the pond (density 300 fish / 667㎡).
[0044] When the pond water temperature is higher than 15°C, feed 1% of the fish body weight according to the calculation (the bait coefficient is 1.5) every day, and feed the floating grass carp pellet feed with a protein content of 26%. At 13:00, artificially feed 1 Second-rate.
[0045] On April 22, 2009, the water temperature in the pond remained above 18°C for 7 consecutive days, and 15,000 large-scale overwintering tilapia (1,500 / 667㎡ density) of 230g / tail were pla...
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