Cultivation of fish fingerlings

First, the fry cultivation of the so-called fry cultivation is after about 20 days of feeding, the flower will be developed into about 3cm of summer fry. (1) Choosing a well-conditioned pond 1. Adequate water intake and drainage into the fish pond, sufficient water supply, and fresh water; 2. Well-defined pool area, within an area of ​​5 mu, and a water depth of about 1.5m; 3. Solid and non-leaking pool bottom, flat bottom, slope Better than 1:2.5. (b) Clearing of fish ponds and clearing ponds 1. Clearing: Clear excess silt in the pool, stick leaks and cracks in the pool walls, remove weeds from the bottom of the pond and the pool; 2. Clean ponds: the use of drugs to kill Exterminate all kinds of organisms that affect the survival and growth of fish to protect the seedlings from attack by predators and diseases. The main medicines are: quicklime 0.5m in water per mu, and 15kg in dosage. Other clearing agents are used according to product instructions. (3) Underwater pond 1 and stocking density: The best single-cultivation for the summer flowers to be grown into a summer flower. It is appropriate to put 200,000 acres per acre; 2. To test the water and pull the net: to test the water first before releasing the water. Whether the toxicity disappears, and then pull the net to remove the large aquatic animals such as cockroaches in the pool and eliminate it, and increase the rate of hair-feeding. 3. Put “flowers”: Wherever the water comes from, put the fry bag in the pool first. When the water temperature is the same, open the bag and put it in the fry box. After half an hour, the fry clusters swim against the water in the box. Every 100,000 water drops are fed with one egg yolk. After 2 hours, the flower is placed at the upper position of the fish pond. ". (4) Feeding technology adopts Qingshui Fatang (ie, farmhouse manure and soybean milk mixed feeding method). l, rotifer stage: (fry under the pond 1-5 days, mainly rotifers for food.) In the 3-4 days before the hair pond water 40cm, Mushi green legume fertilizer 600kg, in the next seedlings should be poured soy milk, 2-3 times a day, every time soaked soybeans 1kg can grind 15-25kg yellow soybean milk, soaked soybeans to add water while grinding, it is best to wear 2 times, freshly ground and splash, keep the freshness of soybean milk. 2. Shuizhan stage: (6-10 days after fish fry ponds, feeding on leeches, etc.). Pouring soymilk twice a day, each time soaking soybeans 2kg per acre, selected sunny morning acre manure 150kg per acre, or add green manure 300kg to cultivate large zooplankton. 3, fine material stage: (11-15 days after the fish under the pond.) At this time, there are few large-scale zooplankton in the water, you should increase the investment of soy milk or fine bean cake and other fine material, add dry soy cake per acre 1.5-2kg, If it is a fat-water fish, farm manure or chemical fertilizer can be applied once. 4, exercise phase: (16-20 days after the pond) fry to summer flower specifications, the need to pull nets to meet the needs of the hot season season out of pond training, 2.5-3kg per acre bubble cake feeding, if it is grass carp , Mission head lice, tens of thousands of summer flowers every day ping Ping Ping 10kg or so. (5) Daily management 1. Water injection in stages to regulate water quality: Fill fresh water every 5-7 days (water injection port must be blocked with a dense net), add about 20cm each time, increase the water body, increase dissolved oxygen, and satisfy the fry Activities and growth while preventing bubbles and so on. 2, a serious tour of the pool: check floating head, ground frog eggs (2 times a day), observe the fry activities and eating conditions, to prevent the occurrence of fry and horse fry. 3, pull the net exercise: In the fry rearing period, the pool water added to the highest level, the fish out of the pond at least before pulling the net 2 times to exercise, enhance physical fitness, to promote the excrement of the feces, increased oxygen tolerance, as soon as possible pooling. Second, fingerling cultivation Fish seedlings are summer flowers after 5-6 months of feeding, to develop 8-20cm fingerlings. (1) Fish pond conditions: The area is 10-20 mu, and the water depth is 1.5-2m. There are power equipment and aerators. The whole pond and clear pond method are the same as the fry pond. (B) to develop a palatable natural food: After the destruction of the fish pond toxicity, in the main pond of summer grass carp, can be injected into the pool 20 days before the summer flowers, water depth of about 1m is appropriate. Each acre is about 40kg of green manure in the four corners of the pond, and then the bamboo is used to separate the surface of the water with bamboo rafts or nets to avoid floating the duckweed full pool, 20kg per acre or a duckweed species, 7-10 before summer flower ponds. Days, 200 kg of organic fertilizer is applied per acre to accelerate the propagation of Eupatorium, duckweed and Cladocera, so that there are abundant natural foods after Xiahuaxiatang. (3) Reasonable stocking: In order to ease the contradiction between the main fish breeding and the fish rearing in terms of bait, water quality and space, the main fish summer flower should be stocked as early as possible. The stocking density per acre is 5000-6000 tails, postponed 20 days later, a small amount of flowers and white fish fry are used. (4) Scientific feeding (two feeding machines per 10 mu of fishpond) 1. Early: When the duckweed in the pool gradually decreases, feed it with bran at the feeding machine and use the iron to knock the sound to form a conditional reflection so as to induce The food, when most of the fry can gather around the food table, is fed into the pellet feed using a bait feeder. The crushing bait is fed 3%-5% of the weight of the fish seed each day, and is usually fed three times in the early, middle and late nights. 2. Mid-term: feed 8%-12% of the weight of the fish every day. At the same time, some goosegrass and tender Sudangrass can be added. In the hot season, depending on the weather conditions, the feeding should be done several times and no feeding at night. Adhere to the "four principles" principle. 3, the end of the period: after late October, the water temperature gradually decreased, the fish disease season has passed, this time can be fed day and night. (5) Frequently adding fresh water to keep the water fresh: As the water temperature rises day by day, the individual species grow up, and the load on the fish pond becomes larger and larger. Therefore, new water is often added, and the water injection is usually 7-10 days. Once in 3 days, the aerator is turned on to keep the water “fat, live, tender and cool”. (6) Strengthen disease prevention and treatment 1. Before Xiahua Xiatang, immerse with a hemorrhagic disease vaccine, or soak for 15-20 minutes with 3% saline or 20PPm potassium permanganate solution; 2. Eat every 10 days. Around the table with copper sulphate hanging or bleaching powder hanging bags used interchangeably, can prevent bacterial fish disease; 3, every 20 days to feed a course of medicine bait, prevention of enteritis disease; 4, a monthly splash of trichlorfon or disinfestation Fine to prevent parasitic fish disease.

Bladder Catheters are often used in postoperative patient treatment or a balloon catheter can also be used in a care facility for micturition disturbances. It often comes into use in postoperative care in hospitals, urology practices and care facilities. 


Yingmed offers a wide selection of disposable catheters with different materials from PVC catheter and Latex Foley Catheter to All silicone. None, single or double balloon, Single way, 2-way and 3-way, you will find your ideal catherter according to the use and physical structure of female and male. All of the Bladder catheters are packed with individual sterilized PE bag or paper bag.


Balloon catheters are securely fitted with an inflatable balloon in the bladder. The balloon volume of the catheter is chosen based on the anatomical circumstances so as to prevent unwanted sliding out. 

 

As transurethral catheterization is an invasive operation. It`s application must be weighed against the risk of urinary tract infections. Operators must make sure the operation is under a sterile environment. Combined with catheterization, Yingmed also offers a large assortment of consumable disinfect and isolation products like Cotton ball, Gauze Swab, Non-woven fenestrated drapes, Surgical gloves, Disposable plastic forceps. You will find them in our category of Wound Dressing. If you were not able to find the correct product, simply contact with us and we will attempt to help.

Catheters

Latex Foley Catheter,Disposable Nelaton Catheter,Single-Use Urine Catheter,Pvc Nelaton Catheter

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