Peng Zexi breeding technology
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1. The growth rate is faster under the same feeding conditions, and its growth rate is 3-5 times faster than that of common squid.
2. Wide range of foods Peng Peng Ze foods such as organic debris, animal and plant debris, small aquatic animals, artificial feed, etc. In the artificially-cultivated waters, appropriate addition of a certain amount of Pengze wolfberry does not increase the feeding of artificial diets.
3. Strong disease resistance in the breeding process of Peng Zeyu, disease rarely occurs.
4. Adaptability Pengze wolfberry breeding area is wide, all parts of the country can breed. Aquaculture water types include reservoirs, lakes, adult fish ponds, fingerling ponds, rice fields, and cages. Practice has proved that Peng Zeyi can still maintain its various excellent features in areas where the weather conditions and ecological environment are extremely different, and in water rafts.
5. Seedlings can be grown and reared with several varieties of carp, which require the use of biological genetic engineering for seed production. It is difficult to popularize the technology, and it is difficult to form the scale for seed production, which restricts the development of the breeding scale. The Pengze pupae belong to the normal diploid sexual reproduction group, and can reproduce naturally in the still water. As long as the broodstock is rigorously bred and the broodstock is replaced, the original species is introduced once in 2-3 years, and the spawning pool is strictly purified. It will be able to cultivate good quality seedlings.
Second, fish breeding
1. Summer cultivation pond: an area of ​​1-5 acres, adequate water, irrigation and drainage facilities.
Clear pond disinfection: In the 8-10 days before the pond fish seedlings, lime, bleaching powder, tea seed cake, fish pond clearing etc. can be used.
Fertilizer: 4-7 days before the bottom of the fish pond, apply 200 kg of organic fertilizer per acre, and deepen the pool water to 70 cm. When entering the water, use a dense mesh filter to prevent enemy water from entering the pool.
Test the water: Before the fish is in the pond, use a small amount of fry to test whether the water potency disappears.
Putting seedlings: 100,000 fish fry can be placed per acre, and the temperature difference between the water temperature and the pool water in the container for transporting seedlings should not exceed 3°C.
Feeding: The fish must be replenished and fed with soy milk every day at the same time.
In this way, after about 15 days of cultivation. The spray can grow to 1.6-2.5cm summer flowers.
2. Autumn film cultivation
(1). Pond breeding stocking density: 3000-4000 tails per acre can be stored in Pengze Xia, 2000-3000 tails and axillary summer flowers, and 5000-6000 tails per acre. Pengze squid should not be associated with squid Non-fish and other edible fish polyculture.
Feeding: 2 times daily feeding. Peng Zeqi feed pellet feed, to be domesticated and fed, each domestication time is about 40 minutes, after 7-8 days found that the surface of the food market has ripples, after about 13-15 days of domestication, most of the fish can eat Field feeding.
The formula of the food can be used for the common squid and tilapia formula. Feeding rate, the bait rate during domestication is 10-8%, and as the fish body increases, the bait rate can be reduced to 8-4%.
Out-of-pool production and specifications: The main pond breed Pengze Qiuqiu fish species, if the density is reasonable, the bait is rich in nutrients, and the amount of feed is appropriate, the mu can produce 150-200kg of Pengze crucian carp, specifications 40-50g%/tail, and survive. The rate is above 90%. Mu can produce oysters, bream species 150-200kg.
(2). Cultivation of paddy fields The use of rice fields to grow Pengze Sang can be symbiotic and mutually beneficial. Per-mu paddy fields can be restocked with 800-1200 tails of Pengze Xia. The yield can reach 40-50kg.
Third, adult fish breeding
1. The main pond raises the pond to raise the fish, must put the large specification fish species above 50g / end, otherwise the adult fish specification is too small. Each acre can be stocked (50g / tail or more) Pengze axillary inbreeding fish 2500-3000 tail, axillary, axillary instar fish 150-200 tail. Fish species were soaked with 3% saline for 10 minutes before stocking.
Acres can produce 450-500kg Pengze, specifications 200g / over, can produce oysters, squid 170-180kg.
2. The fish ponds can be cultured in Pengze puffer fish whether they are in pupa, carp species or adult fish ponds. Each acre has a tail weight of more than 40g and 150-250 Pengze bream fish tails, and the effluent specification can reach 250g/tail.