First, cage structure cage material is polyethylene, cable diameter is 1.13 mm, mesh size is 3-5 cm, cage size is 4mx7mx2m, single-layer cage is used, frame is bamboo pole, bamboo pole diameter It is about 10 centimeters in length, and several of them are connected together and fixed with a sinker.
Second, the cage set cage placement is extremely important, directly affecting the growth rate of calyx, general requirements placed in a vast water area, there is micro-flowing water, good water quality, pollution-free, sunny, sheltered from the sun, the water temperature is higher, the food organisms are sufficient, Close to the shore, the water depth of 4-7 meters, the wind is smaller, convenient transportation of the reservoir area is appropriate.
Third, the release of fingerlings 1. Fish breeding time: 11-12 months each year, or 2-3 months of the following year, the water temperature is low, easy transportation, fish injury is lighter, the survival rate is high. 2. Fish stocking specifications: There are two types, about 80 grams or about 350 grams respectively. 3. The number of stocking: 80 g fish species put 450-550 tails per carton and 350 g fish species 200-250 tails per carton. 4. Note: The water temperature of the fingerlings is less than 12 degrees Celsius, and the specifications of the fingerlings are robust and tidy. Strictly sterilize before and after entering the box to prevent the occurrence and death of watery mildew. Before the fish species are put into the box, the fish body is injured due to transportation and shipment, and water mold is prone to occur under low water temperature conditions.
Fourth, feeding and managing cages The success or failure of breeding cages, feeding and management is very important, good management, can accelerate the growth of calyx, increase production, get better economic benefits. Otherwise, due to poor management, resulting in slower growth or even escape, breeding fails. Feeding management mainly includes the following aspects:
1. Blister box: The new cage, rough surface, directly loaded fish can easily cause fish injuries, therefore, must be soaked in the library 7-10 days in advance.
2. Brush box: The cage is placed in the storage tank. Due to the plankton in the water, many dirt is adhered to the cage, affecting the exchange of water, causing a decrease in the amount of plankton in the tank, and the calyx grows slowly due to food shortage. . Therefore, the cages must be brushed frequently, usually in the growing season, once in 15-20 days.
3. Movement: There are two kinds of movement: First, in the flood season, mobile cages are prevented from being washed by floods. Second, mobile cages increase the biological content of food in cages and accelerate the growth of flowers.
4. Feeding: Sometimes, the reservoir is relatively thin or caged, and other methods cannot increase the amount of food organisms in the tank. In this case, it is necessary to stack or suspend organic fertilizers or fertilizers around the cages. Fertilizers are to be hung in the absence of wind. hang.
5. Binning: After one year of breeding, most species of fish grow 10-20 times. In order to ensure the normal growth of fish in the next year in the following spring, and avoid the lack of dissolved oxygen and food in the box, it must be binned.
6. Watch: During the growing season, the cages need to be inspected frequently to observe the fish activity. If any problems are found, take timely measures to prevent the fish from escaping. In winter, unsold fish should be kept together to prevent the wind from blowing through the cage or being stolen.
V. Harvest sales In November, the reservoir water temperature dropped to 10 degrees Celsius, and flower buds had stopped growing and began to harvest and sell flower buds. At this time, 100 grams of flower pots can be grown to more than 500 grams, and each box can produce more than 200 kilograms of pots. After a leap year, it can grow to more than 1,500 grams. 350 grams of flower pots can be grown up to 1000 grams, and each box can produce more than 250 kilograms of flowers. After the year of the year, it can grow to more than 2500 grams. 1,000 grams of flower pots can be sold for 5 yuan/kg; 2000 grams of flower pots can be sold at 6.4 yuan/kg. Therefore, after a year of cultivation per box of calyx, the net income can be more than 1,000 yuan. If the people in the reservoir area aquaculture 4-10 boxes per household, the annual net income can be 4000-10000 yuan.
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