Many people have not mastered the live mandarin fish farming technology, what are the live mandarin

1. Choose live water fish ponds, mandarin fish is a kind of demersal fish, generally living in rivers, lakes and other places with relatively slow currents, of course, there are many lives in reservoirs. The second is that the water herbs in the fish pond are relatively abundant, because the mandarin fish generally come out to feed at night and rest under the water during the day. Finally, the fish pond should have a certain amount of flowing water, can not be stagnant water, such a breeding site is not very suitable for breeding mandarin fish, if it will be slightly mismanaged water quality, it will cause a large area of death, the loss is larger.

2. Water source conditions, water source is a necessary breeding condition for breeding mandarin fish, and it is also the most basic requirement. So when we breed mandarin fish, the requirements for water source conditions are only the following aspects: the water source for breeding should be sufficient, away from the polluted area, the water quality of the water source should be guaranteed, and the water temperature should not be too high or too low.

Aquaculture ponds should ensure that the water transparency is 30 40cm, and the pH value of dissolved oxygen is above 5mg l. Floating aquatic grass belts should be set up in the pond to give the mandarin fish a place to hide and make them have a stable sense of security. The appropriate range for the adjustment of freshwater properties is 100 300 mg l of total alkalinity, 80 120 mg l of calcium ion, and 40 mg l of magnesium ion.

1. Water surface selection. Mandarin fish can be farmed in waters suitable for raising silver carp and bighead carp in cages, such as rivers and reservoirs.

2. Mandarin fish fingerlings into the box and stocking specifications. The time of fingerlings into the box should be flexibly mastered according to the climatic conditions of each region, generally at the end of June and early July, and the size of the fingerlings is 8-10cm.

3. Packing density. 20-25 mandarin fish are suitable for monoculture, 6-8 are suitable for polyculture, and the ratio of weight to the weight of mandarin fish fingerlings is (6-8): 1.

In the early stage of Guangxi, seedlings are generally released at the end of March or early April, and fish are produced from August to September; In China and Guangxi, seedlings are generally released from May to July, and fish are sold from October to December; In the later period of Guangxi, the seedlings are generally released from August to September, and the fish are sold from April to August of the following year. The cost of mandarin fish farming includes the purchase of fry, the purchase of bait fish, the rental of space, breeding tools, etc. The selection of high-quality seedlings can breed high-quality mandarin fish and improve economic benefits.

Mandarin fish will have different ** at different times. Generally, the size of the fry is about 3-10 cm, about one centimeter per centimeter for early mandarin fish, and about one yuan per centimeter for middle and late mandarin fish. In the early breeding period, mandarin fish are released in April, about 2000 seedlings per mu, and in China and Guangxi, they are released in June, and about 4000 seedlings per mu at night.

If the cost of forage fish can be kept low, the profitability of farmed mandarin fish will be high. Because the bait fed to bait fish in the market is different, the meat quality and quality are also different. At present, the bait required for one kilogram of mandarin fish in the market is about five kilograms, and some farmers give mandarin fish bait is sea mandarin fish larvae, which can reduce the cost of about four yuan per kilogram of mandarin fish.

The early return is relatively high, but it can only be sold before September. **Generally around 40 yuan per catty. Therefore, early return is mainly early seedling, and the density is low, about 2000 per mu.

If the density is low, the yield can be increased, and the profit per mu can reach about 20,000 yuan. Among the three, Guizhong's ** is the lowest, stable at about 35 yuan. If you polyculture your own forage fish, the cost will be much lower.

More importantly, it is necessary to reduce the breeding cost of Guizhong, and the yield per mu can reach about 17,500 yuan.

However, long-term breeding in Guangxi is relatively costly, which can easily lead to poor health and high probability of infection. Therefore, the daily management of the later stage of cultivation in Guangxi should be paid more attention than usual. Under normal circumstances, the profit per mu can reach about 10,000 yuan.

Mandarin fish, also known as mandarin fish, mandarin fish, mandarin fish, mandarin fish, spinefish, mandarin fish, and crucian carp, is a common edible fish. Mandarin fish is a high-quality and rare freshwater fish in China, which is widely favored by consumers because of its delicate meat and delicious taste. At present, new mandarin fish products in the early days have been listed one after another, and the standard specifications are still strong, with a standard specification of 33-35 yuan or more than 8.

The largest cost of mandarin fish farming is the input of forage fish, which accounts for more than 80 percent of the total expenditure. The lower the cost control of forage fish in the same market, the higher the profit of mandarin fish farming.

Therefore, the meat quality and quality of anchovy larvae vary greatly, and the cost per kilogram of long mandarin fish also varies greatly. At present, it takes about kilograms of bait fish to produce one pound of mandarin fish on the market, and Luo Boss, a big customer of Huadu Chinianhai, only needs kilograms of squid larvae for one pound of mandarin fish, just because the whole bait fish uses Haida squid larvae (Haida Squid Feed 058).

To breed an acre of mandarin fish to calculate, the profit is about 20,000 yuan, mandarin fish farming is mainly divided into three kinds of early gui, medium gui and late gui, early gui ** is about 40 yuan a catty, a mu profit is about 20,000 yuan, in gui ** about 35 yuan a catty, a mu profit of about 17,500 yuan, late gui ** about 50 yuan a catty, a mu of profit about 10,000 yuan, bait is the largest input in the process of mandarin fish breeding, accounting for more than 80%.

The profit of breeding live mandarin fish per mu is about 15,000. Mandarin fish farming is very technical, and it requires particularly good water resources.

At present, a pound of mandarin fish on the market needs about a pound of bait fish, and Huadu Chixiao Hai's big customer Luo Boss early mandarin dry pond, a pound of long mandarin fish only needs a pound of dace larvae, just because the whole bait fish uses the sea dace feed larvae (sea dace feed 058), the cost of each pound of mandarin fish is reduced by 4 yuan, and the profit of early mandarin fish per mu reaches 18,000 yuan.

Osmanthus fish is a typical carnivorous fish, and can be fed with dead fish and shrimp when artificially fed. The male fish matures at the third instar and the female matures at the fourth instar, and its growth rate is relatively fast, up to 50 100 grams in the current year, about kilograms in the second year, and 1 kg in the third year. In natural conditions:

Seedling stage. That is, in the first year, within one or two of the length, six taels to eight taels in the second year, one catty to one catty and six taels for three years, and no more than three catties in the fourth year!! Root.

Located on the east bank of Hongze Lake, it is one of the famous fish and rice towns, and I have never seen more than six catties of crucian carp in more than half a hundred years.

Reproductive habits Osmanthus fish mature early, and in natural waters, males can reach sexual maturity at 1 winter age and females at 2 winter ages. Under intensive culture conditions, some females can reach sexual maturity at 1 winter age. In South China, the breeding season of osmanthus is generally from March to August, with May and June as the peak spawning season.

The natural growth environment is also relatively good, the survival rate is low, the osmanthus fish should pay attention to four simple elements, the first selection of fish breeding place, the second clean-up, the third set what may happen in the later stage, the fourth early fish fry is very important, as for raising ten catties to at least five years or so.

There are reproduction in the major river systems and various freshwater lakes, and the mandarin fish is tender, less spiny, delicious and nutritious, it is a delicacy on the table, and is favored by the majority of consumers. In the pond, not only can a small amount of mandarin fish be mixed to remove wild trash fish, but also can be raised in special ponds, which is one of the popular species of freshwater aquaculture at present. Osmanthus fish grow relatively slowly, generally bred once every three years, the big two or three catties and the small one catty, such as the natural waters to see the big osmanthus fish very few, basically the smaller 2 to 3 two and a half catties are more common, but I have seen the largest about 7 catties, because my family lives next to Yangsha Lake.

This depends on what environment it is cultivated, and I personally think that the osmanthus fish farmed in the reservoir grows very quickly, and it is estimated that it will take about 2 years. Ten pounds should be more than eight years, I hope mine can help you.

About half a year. Its breeding cycle is not very long, and it can be very profitable to breed it.

The general cycle is about 5 months, and generally wait until 5 months later, the quality of this aquatic product is relatively high, and the taste of this fish is also very good, and the sales ** is also relatively high.

Under normal circumstances, it is about 13 days, which is very easy to feed, and you only need to supplement the good information inside, and you should also pay attention to changing the water for them, so that their growth rate can be particularly fast.

The breeding cycle of this fish is 3 to 4 years, and when cultivating this fish, it is necessary to choose a fish pond with good water quality, so that this fish can survive.

Its breeding cycle is generally about 5 months, because it takes a long time in breeding, and the later breeding is very fast.

The general cycle is 3 to 4 years, and you can sell it. This is the best breeding cycle. It is also the most normal breeding cycle.

In about 12 days, the fry can grow from young to about 4 cm in about 12 days, and they can be sold at this time.

Mandarin fish is called Gui Fish, Seasonal Fish, etc., its growth rate is relatively fast, generally cultivated to about 3 4 years can grow into it, or to eat.

It's been about 3 or 4 years, in fact, this fish has been growing for a long time, but this fish is really smelly, but it tastes good.

It takes 3 to 4 years to breed, and the breeding time is relatively long, and it requires a lot of manpower and material resources.

Osmanthus fish in the Pearl River Delta area is relatively large, and has a long history of breeding, with the increasing number of this fish, the disease is also increasing, the disease is more and more, and the prevention and control is very difficult, especially in recent years the most common aphid disease. Less copper sulphate should be used in the middle and late stages of farming, because such substances are more toxic and dangerous in the process of use. Therefore, in the breeding process, diseases like **, you can use some insecticidal drugs or zinc sulfate.

The osmanthus fish has delicate flesh and no fine spines, and the taste is sweet and delicious. A wide variety of dishes can be cooked. Osmanthus is a ferocious and carnivorous fish.

It has a strong ability to distinguish bait. Feed mainly on live fish and shrimp throughout their lives. The pond for breeding mandarin fish requires a sandy bottom, less silt, an area of 3 5 acres, a water depth of meters, convenient drainage and irrigation, light water quality, no turbidity, no sewage inflow, and a small amount of submerged aquatic weeds in the fish pond.

Newly opened ponds depend on the quality of the soil, and acidic ponds and ponds with turbid water are not suitable for raising mandarin fish. Interculture cultivation method: refers to the cultivation of palatable bait fish before stocking mandarin fish summer flowers, and then stocking mandarin fish fry, so that mandarin fish and bait fish grow in the same pond.

This cultivation method is generally stocked with 3 cm of mandarin fish per mu, and the stocking amount of forage fish is about 700,000 per mu.

High nitrite levels in aquaculture water are not only a major problem in mandarin fish farming, but with the increase in culture density, almost all aquaculture species are facing this problem. Over-fertilization. This includes the application of organic and inorganic fertilizers.

Some ponds have been used for many years of aquaculture, and the sediment is fertile, and the abundant plankton will naturally be cultivated after entering the water, and there is no need to apply basal fertilizer or a small amount of application. The basis of top dressing is to observe the water quality scientifically, and it cannot be arbitrarily top dressed.

The physical method is mainly physical adsorption. Commonly used drugs are polymer flocculants, such as water purification and detoxification, quick solution, Bishuian, etc. However, the physical method is mainly used for auxiliary explanations, and although the effect is fast, it is easy to repeat.

Mandarin fish, also known as osmanthus fish, its meat is delicate, delicious, is one of the domestic freshwater precious fish and export to earn foreign exchange, the prospect of breeding is promising. Its general symptoms include comprehensive hemorrhagic septicaemia, water mold, myxosporidiosis, and anchor lice

In the fingerling stage, it is mainly manifested as parasitic diseases, such as wheel worm disease, oblique tube worm disease, ring worm disease, etc. In the stage of adult fish culture, it is mainly manifested as bacterial venereal diseases, such as rotten gills, enteritis, rotten tails, etc.; A few also have outbreaks of viral diseases, such as white liver and white gill; Sometimes complications of insects, bacteria, and poison occur. Therefore, we must attach great importance to prevention and adhere to the principle of giving priority to prevention and combining prevention with prevention.

Mumps rot is present in most aquaculture animals, but also in mandarin fish. Rotten cheeks are divided into bacterial, fungal and parasitic cheeks. The gills are an important organ of fish respiration, and if the gills are damaged, the prevention and treatment will be bad, and the losses will be heavy.

Now they are all high-density breeding, and rotten gills are quickly transmitted and the threat is great.

Bacterial rotten gills are sterilized with gallic liquid, chlorine dioxide, and bleaching powder, and then allicin and aquatic multi-vitamins are taken internally. Parasitic rotten gills, first kill insects, and then feed aquatic multi-dimensional to repair the damage.

1. Mandarin fish comprehensive hemorrhagic septicemia, in recent years, a serious disease characterized by "white gills" and "white liver" has occurred and is prevalent in mandarin fish farmed in the Pearl River Delta region of Guangdong, which is called mandarin fish comprehensive hemorrhagic septicaemia. This disease has a rapid epidemic and high incidence, and is the most harmful viral disease, which is the most widespread in summer and autumn, and occurs less in the seedling stage, and more in adult fish. The incidence rate is more than 50% and the mortality rate is more than 90%.

2. Water mildew, fry and adult stage can occur. Diseased fish have white flocculent matter on the surface of the body and the tips of the dorsal spines. After the onset of the disease, soak it in 20%-30% salt water for 5-10 minutes, or soak it in 1% salt water and vinegar for 5 minutes, or use high iodine mold net, a bottle of 2 acres, all have good curative effects.