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What are the advantages of using extruded floating feed to farm the four major Chinese carps?
Farming grass carp (Ctenopharyngodon idella) with extruded floating complete compound feed has many advantages, such as lowering costs, protecting the aquaculture water environment, and high utilization rate. In countries with advanced aquaculture technology such as the United States and Japan, to meet the needs of the environment and fishery production, floating aquatic feed has been widely used since the 1980s. In recent years, China has also vigorously promoted the use of floating aquatic feed, developing rapidly, and many famous, special and high-quality aquatic products have already used it in large quantities, but in the use of extruded floating fish feed to farm the four major Chinese carps, there is still
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Detailed Explanation of Artificial Cultivation Techniques for the Chinese Medicinal Herb Liao Asarum
Asarum grown in the Tieling area is called Liao Asarum, a Chinese medicinal herb native to the Changbai Mountains. It mainly contains essential oils, asarone, palmitic acid, asarum alkaloids, methyl eugenol, and other components. The whole plant can be used as medicine; it is an effective remedy for dispelling wind-cold and promoting water metabolism, and has analgesic, sedative, diaphoretic, and expectorant effects. It is also used to extract insect repellents. 1 Biological Characteristics Asarum seeds have a short lifespan. After sowing, germinated seeds can quickly take root, but they do not emerge from the soil that year; they wait until the spring of the 2nd year to sprout. In naturally matured seeds, the embryo is not yet fully
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What are the pest and disease control methods for the Chinese medicinal herb Panax notoginseng?
1. Diseases 1.1 Black spot disease occurs mostly in the high-temperature, high-humidity season from June to July, causing plants to twist and break and die. The control method is to adjust the shade shed's light transmittance to below 20%, and spray with 1.5% polyoxin 150-fold solution or 70% chlorothalonil wettable powder 600-800-fold solution. 1.2 Phytophthora blight is a devastating disease of Panax notoginseng at the seedling stage. It occurs mostly from June to July, damaging leaves and petioles. The control method is to strengthen field management, reduce temperature and humidity; promptly remove residues and burn them in a centralized manner, and spray with 65% zineb wettable powder 500-fold solution for treatment.
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Chinese-American biologist successfully breeds double-gene transfer cloned pig
The University of Connecticut in the United States announced recently that renowned Chinese-American biologist Yang Xiangzhong, in cooperation with the scientific research department of Taiwan, China, has bred the world's first double-gene transfer cloned pig carrying human coagulation factor IX and porcine lactoferrin. This research achievement is expected to be used to treat hemophilia. According to Yang Xiangzhong, a professor at the University of Connecticut, this research was conducted under extreme secrecy by his research team in cooperation with the Taiwan Animal Technology Research Institute. The first cloned pig was born on February 15 this year at the Taiwan Animal Research Institute
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What are the identification methods for the Chinese medicinal herb Schisandra chinensis?
Schisandra is divided into Liao Schisandra and Shan Schisandra, both traditional Chinese medicinal herbs with a long history of use. In recent years they have sold very well, especially last year when Korean pharmaceutical traders came to China to purchase large quantities of Liao Schisandra, causing the price to soar to around 70 yuan. As the price of the medicinal herb rose, unscrupulous traders tried every means to adulterate and counterfeit it. When the price of Liao Schisandra was high, they mixed Shan Schisandra into it for sale. Now the prices of Liao Schisandra and Shan Schisandra are similar, and both remain high, so they have mixed in the seeds of a wild type of cultivated mountain grape. To improve everyone's identification ability, the following
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Detailed Explanation of Key Points for Artificial Cultivation Techniques of Chinese Licorice
Licorice, also known as sweet root and dense grass, has 23 varieties worldwide. China is the country with the most licorice distribution, with 12 varieties. Ural licorice (i.e., Chinese licorice) is the most widely distributed, highest-yielding and best-quality licorice species among the six licorice species listed in the pharmacopoeia of China, and has long enjoyed a high reputation in the international market. Licorice is a perennial herbaceous plant of the Fabaceae family, and its roots and rhizomes have the effects in traditional Chinese medicine of harmonizing various medicines and neutralizing a hundred toxins. China has the sayings "nine out of ten prescriptions contain licorice" and "no prescription is complete without licorice," so it is called the king of Chinese herbal medicines. Licorice
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What to do about pigeon dysentery? It can be treated with the Chinese herb licorice
When a pigeon suffers from dysentery, its droppings are as thin as water, green with a yellow tinge. The sick pigeon huddles in the coop, drinking large amounts of water but not eating, and its condition worsens by the day. Buy licorice, mash it up and administer it to the sick pigeon by mouth, and also soak licorice in water for the sick pigeon to drink. The next day the droppings had already changed from thin to dry. Continue treating with licorice, and in less than a week the sick pigeon can recover. According to "Compendium of Materia Medica" by Li Shizhen, "Licorice, sweet and neutral in nature and flavor, mainly treats cold and heat pathogenic qi of the five zang and six fu organs, and resolves a hundred toxins," and "treats red and white dysentery, and taken it works immediately."
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What to Do If a Pig Is Poisoned? Detailed Explanation of Traditional Chinese Medicine Treatments
For salt poisoning from eating too much salt, take 30 g of green vegetable leaves and 300 g of wild chrysanthemum (Chrysanthemum indicum), decoct in water and administer to the sick pig, 2 times a day for 3~4 consecutive days. For moldy corn poisoning, take 30 g of licorice (Glycyrrhiza uralensis), 100 g of mung beans, decoct into a soup, add 60 g of white sugar, and give the sick pig one dose. For potato poisoning, take 10 g of honeysuckle (Lonicera japonica), 30 g of alum, 30 g of licorice (Glycyrrhiza uralensis), decoct into a soup, cool until warm, add 30 g of honey, and give the sick pig one dose. For piglet furazolidone poisoning, take 500 g of licorice (Glycyrrhiza uralensis) and decoct
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What is the relationship between the farming of the four major Chinese carps and meteorological conditions?
Fish live in water, but they are also closely related to meteorological conditions. Temperature: fish are ectothermic animals, and the water temperature is their body temperature. The water temperature directly affects their life metabolism. The suitable temperature range is 10 to 33°C, and the optimal temperature is 25 to 30°C. Below 10°C they begin to hibernate. At 10 to 15°C they begin to feed and grow slowly. At 15 to 20°C their appetite increases and they grow faster. At 20 to 30°C they grow fastest. Above 30°C their growth slows again. Therefore, when feeding, pay attention to
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