First, water temperature, temperature control
The soft-shelled turtle is the best growing environment in the water temperature range of 30~32 degrees. When the water temperature is above 20 degrees, the soft-shelled turtle begins to feed. The food intake increases with the water temperature, the food intake increases, the water temperature is lower than the optimal temperature, digestive enzyme synthesis The level is low, the bait conversion rate will be reduced, the water temperature is higher than the optimal temperature, and the bait conversion rate will be reduced due to the increase in activity. Therefore, this section of the heating and insulation work, should make the water, air temperature to maintain the best range, too high, too low will cause waste, and in the insulation should not avoid water temperature, temperature fluctuations in a wide range, reduce the soft-shelled turtle stress response.
Now the constant temperature water product has better effect in the greenhouse insulation, which can save the investment in the insulation. Many manufacturers adopt this way of heating the furnace body and the channel air, according to the characteristics of its own plant structure, can learn from other manufacturers.
Second, feed feeding control
1. Feeding methods Underwater feeding is suitable for feeding habits of soft-shelled turtles, which can make turtles eat faster and use soft pellets to feed more than chunks to reduce feed wastage.
2. Feeding rate control The consumption of soft-shelled turtles is greatly influenced by environmental changes. When the temperature, water temperature, and body water are changed and the medication is used, the amount of turtles should be taken into consideration to adjust the amount of feed. Generally, underwater feeding should be controlled within 30 minutes.
The growth of soft-shelled turtle should pursue a kind of stability, and the purpose of accelerating the growth of soft-shelled turtle cannot be achieved by increasing the feeding amount. Excessive ingestion of soft-shelled turtles, excessive growth, easily lead to increased or super-negative physiological load of the soft-shelled turtle, causing damage to internal organs and induce visceral diseases. Normal soft-shelled turtle feed should be fed according to the size of the soft-shelled turtle, according to a certain proportion, so that the soft and steady growth of the soft-shelled turtle.
3. Feed selection feed accounts for about 40% of the aquaculture cost. The feeding of feed and the quality of the selected feed determine the success or failure of the control of the cost of the culture. The choice of feed should be based on full-scale compound feeds produced by large regular manufacturers. The technology and equipment of large manufacturers determine the technical content and quality of the feed.
Many farmers are puzzled by the fact that when they choose to feed, they are confused by the number of prices. As the saying goes, the final analysis of the benefits, the comparison of quality feed and inferior feed prices, and the cost of integrated farming, we can walk out of the light. Look at the price misunderstanding.
Example of a high-quality feed, the market price of 8000/ton, feed coefficient can reach 1.2, 1 ton of soft-shelled turtles need 80001.1=9600 yuan, that is, the feed cost per 500 grams of turtles is 4.4 yuan; a poor quality feed 7,500 yuan/ Ton, the bait coefficient of 1.5, a ton of turtles need to produce 75001.5 = 11250 yuan, that is, the feed cost per 500 grams of turtle breeding is 5.6 yuan. In this case alone, the cost gap for feeding 500 grams of turtle fish is 1.2 yuan. This does not include factors such as high growth rate, low disease, and low mortality rate caused by high quality feed. Such advantages have undoubtedly enhanced the market competitiveness of high-quality forage turtle farming. Unveiling the veil of prices and costs, choosing high-quality feed is a key move to reduce costs.
Third, water quality regulation
The soft-shelled turtle is happy with the net and is afraid that it is dirty. A good water environment is an important condition for the steady growth of the soft-shelled turtle. The quality of the water quality control work determines the success or failure of the breeding.
1. The pH value regulates the water of the turtle pond to be controlled in the alkaline environment. Generally, under the alkaline conditions, the pathogenic bacteria are not easy to survive. The PH value is controlled between 7.5 and 8.0, which will reduce the incidence of turtle attack and use lime to adjust the pH value. , It is recommended that the concentration of about 40PPM, too high dose will increase irritation, causing soft-shelled turtle stress response, can take small doses, multiple use.
2. The main purpose of oxygenation of oxygenated water body is to reduce the content of harmful gases and oxidation depository in the water body, ensure the smoothness of the inflatable facilities, and adjust the length of the inflation time according to the state of the water body. But pay attention to a fixed period of time to inflate, so that the soft-shelled turtle formation habits T, reduce worrying.
3, water quality training Application of microbial products culture water, improve water stability and self-purification of water bodies, establish a microecological balance of water, is an important means of water control. Reasonable application of microbial products can greatly save water quality control and other aspects of investment. Generally, dark greenhouses can use photosynthetic bacteria or effective microorganisms such as Bacillus to reduce the ammonia nitrogen content in the water and decompose organic matter and other harmful substances. In addition to the use of dark greenhouses in the lighting greenhouse, it is also possible to use water in the greenhouse. Algae to create water balance.
4. Pollutant Discharge and Water Change Regular discharge of pollutants is an effective means to control water quality (once a day or a few days), and has a good pooling capacity. This method is effective and can prolong the time of water exchange.
Changing the water is the most direct way to regulate the water body. However, frequently changing the water is costly. On the other hand, changing the water is at the cost of destroying the original ecological balance. After changing the water, new ecological balance must be established through another means. In order to achieve the goal. Therefore, changing the water should be based on the situation of the water body, determine how much water change. A small amount of water change is necessary to avoid a lot of water changes.
Fourth, disease control
1, turtle disease, prevention and treatment. According to the characteristics of the growth stage of the soft-shelled turtle and the daily observation is the key to doing a good job of prevention, generally juvenile A potted body disinfection before entering the pool. 2 â€° salt +1 â€° baking soda and soaking for 30 minutes into the pool, before the 50g to prevent the occurrence of mycosis, this stage quickly cultivated physique, to avoid mechanical damage is the focus of prevention; 50 ~ 150g guard against white point disease Occurrence, daily disinfection with bromine oxygen preparation, generally 4~7/times of normal prevention, can be reasonably arranged to use quicklime; 150g to become a, to prevent the occurrence of hemorrhoids disease, the prevention of the same phase with 50g ~ 150g, but the use of disinfectants The number of times should increase.
After the general specification reaches 50g, the concept of early treatment should be introduced in the prevention of soft-shelled turtle disease. That is, through routine observation, during the prevention process of using bromochloroform, the soft-shelled turtle still has unstable performance, which can be achieved through oral administration of drugs to achieve prevention purposes; Disease prevention, generally recommended to use external disinfectants (brominated chlorine and other preparations) to carry out, in the case of turtle health and judgment is not allowed under the circumstances, should not abuse the internal prevention of antibiotics, herbal internal prevention should also be cautious, untimely internal prevention, often up to To the end, it will result in a heavier liver and kidney burden on the turtle, resulting in drug resistance or causing visceral disease. In addition to the change of water in the soft-shelled turtle pond, disinfection prevention must be strengthened.
Treatment of several common diseases: (1) white spot, medication methylene blue 3PPM + furazolidone 5PPM. (2) White spot disease, medication KMNO45PPM + oxytetracycline 10PPM. (3) Hemorrhoids disease, medication baking soda 30PPM + erythromycin 25PPM, oral administration of compound sulfamethoxazole 4g/Kg feed. (4) White soleplate: Medicated by oral administration of hepatogastric powder 5g + mycorrhizal net 6g + ciprofloxacin hydrochloride 4g + Vc2g + viroid 1g per kg feed, combined with external disinfectant.
In addition, a reasonable breeding density is suitable for the growth of soft-shelled turtle. According to the breeding conditions, it is necessary to do the grading and feeding in separate ponds.
The daily management of soft-shelled turtle aquaculture is a systematic task. All aspects should be tied up and advanced experience should be used for breeding.
Science and technology, and in the self-innovation, the pursuit of energy saving, and raising the efficiency of breeding.
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