Farming Information Lists
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Prevention and treatment techniques of several common diseases in cultured California perch
California perch is extremely resistant to disease, so the incidence of disease is quite low. So far, there are the following known diseases: 1. Needle disease (Anchor head disease): this disease occurs only in a few individuals, and most of the parasitic sites are at the base and tail of the dorsal fin or Xiamen fin.
2020-11-08 Aquaculture California perch several species common diseased prevention and control technology -
Practical experience of culturing sea bass
Perch belongs to perch order, perch subfamily, wide salt fish. It is distributed along the coast of China and is rich in resources. Perch has the characteristics of fast growth, wide adaptability, strong disease resistance, delicious meat and so on. Loved ones are welcome. The culture techniques are as follows: first, the construction of ponds
2020-11-08 Aquaculture perch practical empirical subordinate order -
Techniques of pollution-free culture of sea bass
1. The aquaculture waters generally require a water depth of 2 m2.5m. Half a month before the fry is released, the waters around the aquaculture are disinfected with quicklime. 2. The stocking density and disinfection specification of seedlings are 0.5g/ tail and 0.6g/ tail, and the stocking density is 100ind / mu / mu. Put
2020-11-08 Pollution-free aquaculture perch technology one water area -
Experience of culturing perch in pond
1. The ponds used for sea bass culture are best cleared through dry ponds, desilting and sun exposure, especially in the old ponds that have been cultured for many years. Sterilize once half a month before seedling release, apply 50 kg of quicklime per mu or use 20PPM bleach with appropriate amount of pond water.
2020-11-08 Pond aquaculture sea bass experience clear pond cultivate water use -
Experience of pond culture of California perch
California perch, also known as big mouth sea bass, has the characteristics of fast growth, strong adaptability, less disease, easy to catch, delicate meat, delicious taste, no muscle thorns and so on. The culture techniques are as follows. First, pond conditions. California perch lives well in the stillness of fresh and non-turbid water.
2020-11-08 California perch pond aquaculture experience California bass also known as -
Experience of disease prevention and treatment of sea bass
Sea bass has strong disease resistance and is not easy to get sick under natural conditions. However, due to the great changes in its living environment and space, artificial high-density culture is easy to cause disease. It is necessary to strengthen disease prevention and regularly disinfect aquaculture ponds and food tables.
2020-11-08 Sea bass disease prevention experience sea bass disease resistance strength strong -
Experience of perch culture in shrimp ponds
In recent years, perch has become an important breeding species in northern China, especially in shrimp ponds, with short time and quick effect. This technique is worth popularizing in a large area. The experience of culture is introduced as follows: the size of the prepared culture pond should be 1.3 ~ 2 hectares.
2020-11-08 Sea bass shrimp ponds aquaculture experience in recent years bass has become -
Key points of summer release in California perch pond
1. The pond is disinfected by the sun pond. The culture pond must dry the pond for 10 to 15 days, renovate the ridge of the pond and disinfect it with quicklime and bleach. two。 Cultivate fish species. First, it is cultivated in a special pond from the end of April to the beginning of May in Guangdong, and the pond is divided into ponds when it is about 5cm.
2020-11-08 Aquaculture California bass ponds summer free main points tanning ponds -
Pollution-free cage culture of perch
1. The aquaculture waters generally require a water depth of 2 m2.5m. Half a month before the fry is released, the waters around the aquaculture are disinfected with quicklime. 2. The stocking density and disinfection specification of seedlings are 0.5g/ tail and 0.6g/ tail, and the stocking density is 100ind / mu / mu. Put
2020-11-08 Pollution-free cage aquaculture perch one water area general -
How to cultivate California perch in cage
Intensive culture of California perch with cages can also achieve excellent economic benefits, and cages can be set up in reservoirs, lakes, rivers and ponds. The main contents are as follows: 1. The cage is arranged and placed in a Rex type double-layer covered cage with a specification of 4 meters, 4 meters and 2 meters.
2020-11-08 Cage how to aquaculture California bass use cage yes -
Techniques of culturing silver carp in cages in reservoirs
The material of the cage is polyethylene, the diameter of the wire is 1.13 mm, the size of the mesh is 35 cm, the size of the cage is 4 m x 7 m x 2 m, the cage adopts single-layer cage, the frame is bamboo pole, the diameter of bamboo pole is about 10 cm, several of them are connected as a whole, fixed with sinker.
2020-11-08 Reservoir cage aquaculture flower silver carp technology one -
How to cultivate silver carp in cage
Cage fish culture technology is a three-dimensional culture technology that makes full use of reservoir resources, which has the advantages of low culture cost and high benefit, and is deeply loved by the majority of fish farmers. Among them, the technology of cage culture of silver carp is the one with the highest profit among many culture projects.
2020-11-08 Cage how to culture silver carp cage fish culture technology yes a -
Technical points of how to raise sea bass healthily
Sea bass, also known as sea bass and seven-star perch, belong to the order Perciformes and Fataceae in taxonomy. Because they breed and grow along the coast, they are different from freshwater California perch and osmanthus bass, so they are also known as sea bass. Sea bass is a fierce carnivorous fish, which naturally feeds on small fish and shrimp and is artificial.
2020-11-08 How to health aquaculture bass technology key points also known as -
How to cultivate California perch in intensive cage
Intensive culture of California perch with cages can also achieve excellent economic benefits, and cages can be set up in reservoirs, lakes, rivers and ponds. First, the cage is prepared and placed. The cage is a Rex-type double-layer covered cage with a specification of 4 meters, 4 meters and 2 meters.
2020-11-08 Intensive cage how aquaculture California bass utilization -
Breeding and stocking of eel fry
Eel fry breeding is the production process of growing eel fry into eel seeds weighing more than 10 grams. This stage needs to be cultivated in three different types of ponds, namely, a first-level pond, a second-level pond and a third-level pond. Eel species is the basis of adult eel culture, and the quantity and quality of eel species directly affect adult eel culture.
2020-11-08 culture eel fry breeding and stocking -
Attention should be paid to prevention and control of enteritis in eel culture in winter
In winter, the decrease of water temperature, the change of beneficial bacteria and the change of dissolved oxygen in water have a negative impact on the survival of eel, resulting in the decline of eel physique, immune function and enteritis, so attention should be paid to prevention and treatment. In winter, there is a big temperature difference between day and night. Yes
2020-11-08 Winter eel aquaculture enteritis disease need attention control enter -
The method of collecting and catching eel seedlings of cultured eel
As eel seedlings have not been artificially incubated so far, eel seedlings mainly rely on natural harvesting. The eel fry flood season is from late December to March of the following year. Fishermen in Zhongshan and other places open their nets at the Pearl River Estuary to collect fish day and night during the ebb and flow tide. Mature parent eels roam from the Pearl River Estuary every year after winter.
2020-11-08 Culture eel eel seedling gathering method because so far -
Prevention and treatment of enteritis in cultured eel
1, bacterial enteritis 1, appearance symptoms: after the onset of a significant decline in appetite, serious hunger strike. The vitality of the diseased eel is poor, some of the eels swim alone, and feces can be seen floating on the surface of the pond. The eel has a slightly swollen abdomen, a red protruding anus and a yellow pus-like outflow from the anus.
2020-11-08 Aquaculture eel enteritis disease prevention and treatment bacteria -
Five pieces of common sense of feed for cultured eel
1. The main adhesive-starch: the adhesive is the earliest additive used in eel feed. In Japan, antibiotics, wheat gluten and starch were added when raising yellow striped fish with raw fish as bait in the 1950s. Due to the use of starch and other adhesives, not only prevent
2020-11-08 Aquaculture eel feed common sense five one main -
Prevention and control of diseases of farmed eel
Eel nematode disease [pathogen] is eel nematode. There are three species of eel nematodes parasitic in the swim bladder of eel: spherical eel nematode, thick eel nematode and Australian eel nematode. The eel nematode is oviparous, the newly produced larvae are only 0.2 mm-0.35 mm and are covered with a layer.
2020-11-08 Aquaculture eel disease control eel house nematode pathogen