-
Recommended meat snake species: These meat snakes are suitable for breeding
Did you know how many species of snakes exist in our country? According to statistics, there are as many as 173 species of snakes in China, of which 48 are venomous and the rest are non-venomous. Meat snakes refer to non-venomous snakes that are large in size, grow quickly, and are commonly eaten or used medicinally. To help snake farmers become familiar with and understand their living and production performance, the following introduces several meat snake species that are large in size, grow quickly, develop well, lay many eggs (or give birth to many young), have tender meat, and offer good breeding returns. The black-browed ratsnake is commonly known as the home snake, yellow long worm, cauliflower snake, three-stripe line, broad snake, etc. Adult snakes are about 1
-
Giant embryo rice has entered the laboratory breeding stage
Red rice with anti-atherosclerosis properties and giant embryo rice with blood pressure-lowering functions have entered the laboratory breeding stage and are expected to reach consumers' dining tables in the near future. The "high-protein rice breeding" project undertaken by the Plant Molecular Genetics Laboratory of Shanghai Normal University has been listed as a key project of the Shanghai Municipal Science and Technology Commission. Red rice is a natural colored rice that has anti-atherosclerosis properties and can enhance the body's antioxidant capacity. It is rich in bioactive substances such as carotene, flavonoids and alkaloids, as well as mineral elements including iron, zinc and calcium. Scientific researchers have combined high-protein
-
Giant embryo rice enters the breeding method stage, blood pressure-lowering rice expected to reach the market
Red rice with anti-atherosclerosis properties and giant embryo rice with blood pressure-lowering functions have entered the laboratory breeding stage and are expected to reach people's dining tables in the near future. This is the news the reporter obtained yesterday at the opening ceremony of the "2007 Shanghai Science and Technology to the Countryside" series of service activities. It is reported that "high-protein rice breeding," undertaken by the Plant Molecular Genetics Laboratory of Shanghai Normal University, has been listed as a key project of the Municipal Science and Technology Commission. According to project leader Professor Li Jianyue of Shanghai Normal University, cultivating high-protein rice is of great significance in many respects.
-
Rice cancer has met its nemesis: breeding of a disease-resistant new variety succeeds
Since the beginning of this century, rice stripe virus disease has continued to break out over large areas, in severe cases even causing rice farmers to lose their entire harvest. Rice stripe virus disease has been regarded as the "cancer" of rice. "Wuyujing 3", long recognized by the market as the main rice variety with the best taste and quality in Jiangsu Province and surrounding areas, has seen its planting area plummet in recent years because it is highly susceptible to rice stripe virus disease. Some stripe virus-resistant varieties either have shortcomings in yield and yield stability, or have not been fully recognized by the market for their rice quality. Rice farmers
-
Breeding and Promotion of the High-Temperature Mushroom 'Xiagu 93'
In December 2002, the provincial key science and technology project "Breeding and Promotion of the High-Temperature Mushroom 'Xiagu 93'", led by the Institute of Horticulture of the Zhejiang Academy of Agricultural Sciences, passed the achievement appraisal organized by the Provincial Department of Science and Technology. Summer is the off-season for the cultivation and production of various edible fungi in China, and the supply of fresh mushrooms on the market is interrupted. Therefore, carrying out the breeding of high-temperature mushrooms and establishing a complete set of supporting comprehensive cultivation techniques so that mushrooms can be grown for more than two seasons a year in China is of great significance for enriching China's mushroom varieties, improving mushroom quality, and meeting market demand for mushrooms. Through more than ten years of
-
Comprehensive Introduction to Breeding Techniques for Colored Foxes and Colored Raccoon Dogs
Crossbreeding between the Vulpes genus and the Alopex genus Crossbreeding between the Vulpes genus and the Alopex genus has attracted increasing attention in fox pelt production and sales. This is mainly because the fur quality of the hybrid offspring is better than that of both parents; it overcomes the shortcomings of the silver fox's long and coarse guard hairs as well as the Arctic fox's short, fine guard hairs and easily matted underfur. The hybrid fox pelt has abundant underfur, even guard hairs, and vivid coloration, giving it higher commercial value. 1. Production of hybrid foxes The production of hybrid foxes is currently mostly carried out by means of artificial insemination
-
What exactly is inbreeding in dogs?
Inbreeding is a method of breeding in which male and female dogs that are very closely related by blood are mated to produce offspring. That is, matings between father and daughter, mother and son, and brother and sister. From the standpoint of moral norms and scientific principles, humans consider inbreeding absolutely harmful to the evolution of the breed, but from the perspective of dog breeding, inbreeding can reduce genetic variation and preserve the original superior qualities. However, inbreeding may produce particularly outstanding puppies, and it may also produce puppies that are weak in constitution, deformed, intellectually disabled, and incapable of reproducing. From the standpoint of medicine and eugenics
-
Detailed Explanation of Carnation Hybrid Breeding Methods and Key Technical Points
Carnation (Dianthus caryophyllus), also known as carnation, belongs to the family Caryophyllaceae, genus Dianthus. Its flower colors are delicate and brilliant, and a single flower has a relatively long blooming period, making it an important cut flower plant of the modern era. Carnation originated in southern Europe, the northern coast of the Mediterranean, and the area from France to Greece, and is now widely cultivated around the world, with major production areas in Italy, the Netherlands, Poland, Israel, Colombia, the United States, and others. With the commercialization of carnation production, many companies specializing in breeding and propagation have emerged.
-
Soybean molecular breeding technology successfully developed by South Korea
The Agricultural Biotechnology Research Institute of South Korea's Rural Development Administration recently successfully developed a soybean molecular breeding technology, which means that South Korea's mass production of organic soybeans containing anti-cancer components will become a reality. South Korea's regeneration technology for soybean plant bodies through tissue culture is not well developed, so trait-transformed soybeans are mainly imported from the United States. The Rural Development Administration revealed that molecular breeding technology is called third-generation genetic engineering technology. Using this technology, soybeans with higher added value can be produced, which is of great significance for increasing farmers' income.
-
Fast Breeding Methods and Key Technical Points for the Golden Coin Turtle
The three-striped box turtle (Cuora trifasciata), also known as the golden coin turtle, is a national second-class protected animal with high medicinal value. As wild turtles are becoming increasingly scarce, our farm carries out artificial breeding to protect wild resources. The techniques are as follows: 1. Construction of the turtle pond. Depending on the type of turtle pond, one may choose the burrow style or the land-and-water combined style. Since the latter is convenient to manage, it is more readily adopted. It consists of a water pool, land area, egg-laying pool and turtle nest. The turtle nest must be shaded from light and must prevent escape, prevent predators and be easy to clean and replace. The rearing density for adult turtles is about
条件筛选