The pond is a habitat for fish and a breeding ground for fish pathogens. Therefore, the prevention of fish diseases must be started from the control and eradication of pathogens. Thorough pond clearing is an important measure to prevent fish diseases and improve the pond environment. Clear ponds include clear ponds and clear ponds. one. Clear ponds When fish species or adult fish are out of the pool, they are drained of pool water to remove certain sediments for dressing dikes, beach feet or as farmland fertilisers. After many days (normally around the week) of sunlight exposure, the soil can be accelerated. The dual role of organic matter transformation and elimination of pests and diseases. At the same time, it is also easy to remove weeds at the foot of the beach and destroy the spawning grounds of parasites and aquatic insects. The importance of clearing ponds also lies in removing excess silt, reducing the oxygen consumption of the bottom sludge, helping to improve the pond environment and increasing fish production. two. Drugs Rich in organic matter at the bottom of the pond in Qingtang is a hotbed of pathogenic bacteria and parasites in many fish species. Therefore, drug disinfection is one of the important measures to remove pathogens and eradicate pathogens. There are more and more drugs that are commonly used in production. In my area, quicklime, bleach, trichloroisocyanuric acid (bleaching concentrate), sodium dichloroisocyanurate (anti-dissipation), etc. are also commonly used, and ammonia, chlorine dioxide, and enemies are also used. The use of clear pond drugs should be based on the principle of clear pond drugs, the mechanism of action and clear pond effect to determine. Here are some of the better use of clear pond drugs. 1. Lime Clear Lime (CaO) The role of the clear pond is the chemical reaction that takes place after the quick lime meets the water. Calcium hydroxide is produced, and a large amount of heat is released. Calcium hydroxide is a strong base, and its hydroxide ions can increase the pH of the pool water to 11 or more in a short time. In order to kill enemy creatures. (1). The effect of the clear pond I. It can quickly and thoroughly kill the wild fish, frog eggs, crickets, grasshoppers, aquatic insects and other animals, as well as some aquatic plants, fish parasites and pathogens and other predators. Lime clear pond has a good effect on reducing the occurrence of fish diseases. II. Due to the free base, various organic acids in the sludge can be neutralized, the acidic environment can be changed, and the pond can assume a slightly alkaline environment. Lime clear ponds are generally used, and plankton can reach a peak within 7 to 10 days, which is good for fish growth. III. It can increase the alkalinity and hardness of pool water, increase buffer capacity, and improve the quality of water bodies. IV. The increase of calcium ion concentration and the increase of PH value can release ammonium, phosphate and potassium ions, which are adsorbed by sludge rubber particles, into the water and increase the water's fatness. At the same time, calcium itself is an indispensable nutrient for phytoplankton and aquatic animals. Therefore, clearing the pond with lime also played a role in fertilization. (2). The clear pond method lime clear pond method is divided into dry clear pond and clear water pond. Dry ponds generally use 60-75 kilograms of lime per acre. If the mud is thicker, it should be increased as appropriate. The method of clear pond is to drain the pool water first to 5 to 10 cm depth, then dig a few pits around the bottom of the pond, pour quick lime into the pit, add water to ripen, and after all the lime blocks are matured into powdery form, add water to form The lime slurry spilled into the water. Spill should be poured evenly to the bottom of the pool. The middle of the fish pond can be used corrosion-resistant small wooden boat equipped with mature lime poured into the pool. It's best to use the mud on the second day to push the bottom of the pool and mix the lime with the bottom mud. In order to improve the acidity of the bottom sludge. Improve the effectiveness of drug clearing ponds. With water clear pond general depth of 1 meter per acre with lime 125-150 kg. The method of the clear pond is to first pulverize all the quicklime blocks into water, then add water to the boat and stir it up into a slurry to carry out the Quanchiposa. It takes 7 days to lose the medicinal properties of the quicklime clear pond. No need to test the water to put the fish. (3). Precautions I. Pond disinfection should be done on a sunny day. The low temperature of rainy weather affects the efficacy. Generally, the efficacy of the water temperature rises by 10°C can be doubled. When the water temperature is 3-5°C in early spring, the dosage should be increased by 30-40%. Especially for fish ponds where the ground fish is more muddy, the amount should be increased. II. The quality of quicklime affects the effect of clear ponds. Good quality quicklime is massive, lighter, free from impurities, and reacts violently when exposed to water. Qingtang is not easy to use bagged ash generation. The bagged quicklime has a high impurity content and its active ingredient CaO2 is lower than that of the block. If only bags of quicklime can be used, the dosage should be increased appropriately. III. The quicklime used in the clear pond is best to be used with it. Otherwise, it will be left for a long time. The quicklime will absorb the water in the air and carbon dioxide to produce calcium carbonate and it will fail. If quick lime has already been purchased, it is better to use plastic film. And do a good job of moisture protection. IV. There are many calcium and magnesium ions in the water, and the hardness of the water affects the clear pond effect. This should also attract attention. 2. The effect of bleaching powder clear pond bleaching powder (CaOCl2) clear pond is similar to that of quicklime, and its mechanism of action is different. After bleaching powder meets water, alkaline hypochlorous acid is decomposed, and unstable hypochlorous acid will immediately release oxygen atoms. This early ecological oxygen has a strong bactericidal effect and kills the enemy. Its chemical reaction formula is: Bleach powder generally contains about 30% of available chlorine. Clear pond usage: Use 13.5 kg (20ppm) for one meter per mu. If the pool water is discharged to 5 to 10 cm, the amount per mu is 5 to 10 kg. Application method: After the bleached powder is dissolved in water, it is spilled over the pool immediately. After 3 to 5 days in the clear pond, Fish Can be released. Therefore, it is more appropriate to use a fish pond that is eager to use. Effect: It can kill fish, frogs, cockroaches, snails, aquatic insects, parasites and pathogens. The effect is the same as that of raw lime. Fertilizer ponds are less effective and bleach does not improve water quality. After the bleaching pond is used, plankton peaks do not form. Note: (1). Bleach is extremely volatile and decomposes, releases initial oxygen, and works with metals. Therefore, the seal should be sealed in a cool, dry place to prevent failure. (2). The chemical properties of bleaching powders are also related to the temperature, so the amount should also be increased in the early spring. (3). Be careful when handling. The bleach is very corrosive. Do not contaminate the skin and clothing. When splashing, it must be in the limelight, splashing. (4). Other inorganic and organic chlorine compounds (such as bleaching, strong chlorine, anti-dissipation, etc.) can be used with reference to the dosage described in the drug manual. 3. Ammonia clear pond ammonia (NH4OH) is strongly alkaline, high concentrations of ammonia can kill fish and aquatic insects. When clear pond, the water depth is 10 centimeters, use more than 50 kilograms of ammonia water per acre of pond, when using, can add several times of pond mud and ammonia water to mix evenly, then Quanchiposa. Pond mud is used to absorb ammonia and reduce its volatilization losses. One day after the clear pond is filled with water, the fish will disappear after 5 to 6 days of toxicity disappears. After ammonia clearing pond, due to the increase of ammonium ion in the water, phytoplankton may multiply, consume free carbon dioxide in water, increase the PH value by use, and then increase the concentration of molecular ammonia, resulting in the death of stocking fish. It is advisable to apply some organic fertilizer behind the pond to promote the reproduction of zooplankton, so as to suppress the transitional reproduction of phytoplankton and avoid the occurrence of dead fish accidents. 4. Dichlorvos in dichlorvos are organophosphorus insecticides that also have toxic effects on fish. When used as a clear pond, it is generally used at a depth of 5 to 10 centimeters and 500 to 750 liters per acre. Dichlorvos, like other agricultural insecticides, have a single role and can only kill the enemy. It has no effect on preventing fish diseases caused by microorganisms. It takes 4 to 5 days for the dichlorvos to disappear. Other clear pond drugs such as: tea locust, Croton, chlorine dioxide and some special pond disinfectants can refer to the relevant books and drug instructions.
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| Product Description | |
| Name | Canned Saury |
| Flavor | Brine, Oil, Tomato Sauce |
| Type | Bone-in and skin-on, bone-less and skin-less |
| Certificates | EU, FDA, BRC, HALAL,HACCP,KOSHER |
| Net weight | 125g, 155g, 400g, 417g, 425g, 1kg, 1.88kg. |
| Brand | Our brand or OEM, ODM |
| Shelf life | 3/4 Years |
| MOQ | 1X20'FCL |
| Payment terms | T/T, L/C |
| Delivery time | 25 days after label artwork confirmed and advance payment done. |
| Packing | normal lid or easy open,paper label or lithio can, paper carton or shrinked by tray |
| EU NO. | 3302/01034 |
| RUSSIA NO. | 3302/01034 |
| Shipping docs | Commercial Invoice |
| Packing List | |
| Bill of Lading | |
| Certificate Of Origin/ Form A | |
| Health Certificate | |
| Veterinary Certificate | |
| Catching certificate | |
| Or as per customer`s request | |
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Tropical Food Manufacturing (Ningbo) Co., Ltd. , https://www.tropical-food.com