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How to nurse weak autumn ducks back to health? Scientific methods are key
In autumn, temperatures gradually drop, the temperature difference between day and night is large, and daylight hours become shorter. Autumn ducks hatched the previous year, after laying eggs for most of the year, are already very fatigued; if there is the slightest carelessness in management, they will stop laying and molt. Laying ducks hatched in early spring begin laying from late September to mid-October. At this time the weather gradually turns cooler, and the temperature difference between day and night is too great. Especially for free-range laying ducks, the food they can find in late autumn is scarce, which causes nutritional deficiency, affects egg production, and makes newly laying ducks "drop eggs." Therefore, rural laying duck farming has
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Scientific and technological leadership brings high returns in silver carp farming
Grow-out fish (market-size commercial fish) farming is the ultimate goal and purpose of fish farming. In recent years, although special aquatic product farming has become "hot" across the country, the traditional farming and consumption of silver carp and bighead carp remain bulk commodities, and the economic returns are still considerable. They have the advantages of small investment, quick results, easy operation, abundant seed sources, and mature production, and are very popular among fishermen. The production process and technical key points mainly use the intensive culture method of "water, seed, feed, density, polyculture, rotation, prevention, and management." 1. Pond conditions: area 0.3-1.4 hectares, clay or loam bottom soil is preferable
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How to store garlic scientifically? These methods you need to master
I. Simple storage methods. These mainly include hanging storage, rack storage, cool shed storage, cellar storage, etc. To store garlic by these methods, it must first be pre-stored. After harvesting, arrange the garlic on dry ground and sun-dry it for 2-4 days, so that the leaf sheaths, scales and bulbs are fully dried and dehydrated, reaching about 70% dryness, and when the pseudostem becomes soft, it can be braided, or the root whiskers and pseudostem can be cut off and the heads packed loose. 1. Rack storage. Choose an indoor space with higher ground and good ventilation, place wooden ladders or racks, and hang the braided garlic strings or loose garlic heads in layers on the ladders or racks, taking care to ventilate.
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Insect-resistant potato bred first by Belarusian scientists
Scientists from the National Academy of Sciences of Belarus have announced a new research achievement: they have bred the world's first potato that can automatically kill pests. According to a report by Russia's Interfax news agency on August 7, to date, a pest known by the scientific name Colorado potato beetle has been the biggest headache for farmers, because it destroys large areas of potato fields every year and causes huge economic losses to agriculture. A new type of genetically modified potato recently bred by Belarusian scientists can specifically poison this beetle to death. A
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Detailed Explanation of Scientific Propagation Methods and Techniques for Lilies
Lilies can be propagated by seed sowing, scale cuttings, separating small bulbs, and separating bulbils, but separating small bulbs and scale cuttings are the main methods. ① Separating small bulbs. The primary requirement is to have enough small bulbs. Methods to increase the number of small bulbs include: a. When planting large bulbs, increase the depth appropriately. b. Before and after flowering, cut off the stems and leaves more than 40 cm above ground. c. After flowering, cut the stems with leaves into small sections with 3-4 leaves and shallowly bury them in moist sandy soil. Small bulbs planted for 2 years can then flower. ② Scale cuttings
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Scientific use of chemical control technology in cotton can effectively increase yield
Scientific chemical control of cotton is an important scientific measure for increasing cotton yield. Chemical regulation technology has three benefits: first, it helps strong seedlings to develop early, controls height and stabilizes growth, making it easier to give play to the yield-increasing advantage; second, it simplifies cotton field management, saving labor and cost; third, it promotes the transformation of second- and third-grade cotton seedlings, achieving balanced development and increasing yield and efficiency. The principle of chemical control is "small amounts, many times; light control, frequent adjustment." One should master "spray every time, control every time" or "control once at every interval" (flexibly according to soil fertility, rainfall, and growth condition), and it is best to "divide the amount for one application into three applications," ensuring the plant grows steadily and robustly "strong but not excessive" from beginning to end. If chemical control is done poorly, it can cause excessive growth or stiff seedlings that do not develop, affecting the normal growth of cotton. Therefore, in the process of implementing chemical control, the dosage of the chemical control agent must be strictly controlled.
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How to scientifically improve the nutritional level of pigs
1. Nutrition of gilts. The nutrition of gilts and the related nutritional reserves are important factors affecting the lifelong performance of sows, and their nutritional level should ensure the body's needs during the reproductive period after maturity. Starting from a body weight of 45 kg, the diet level should be 0.1% higher than the usual growing-finishing pig diet to enhance the skeletal development of gilts. After gilts reach about 150 days of age and enter the replacement gilt herd, their growth should be controlled, with restricted feeding (2.3-2.8 kg/day) of a medium-energy, high-protein diet to reduce
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Why can flying snakes fly? Scientists uncover the mystery
You may find it hard to imagine how snakes, which have neither wings nor wing-membrane-like appendages, can "fly" like birds. Yet scientists have found that some snakes not only fly, but are masters of flight. Flying snakes generate power by shaking their ribs. Jack Socha of the University of Chicago in the United States has been studying snakes' flying ability for 8 years. Recently, Socha revealed in a professional journal the reason flying snakes are so good at flying. He said: "Although flying snakes lack wing-membrane-like appendages,
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Feeding concentrate to rabbits requires care: master the scientific feeding method
Concentrates include energy-based feed ingredients such as corn, barley, wheat, sorghum, wheat bran and fine rice bran, as well as feed ingredients with high protein content such as soybean meal, rapeseed cake, fish meal, silkworm pupae and blood meal. Their common characteristics are low crude fiber content, low moisture content and high nutritional value. To increase the weight gain rate of meat rabbits, make wool rabbits produce more wool and rex rabbits produce more high-grade fur, concentrates are indispensable. The principle for using concentrates is to follow the nutritional needs of different types of rabbits and, according to the different regions and different
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A Detailed Explanation of Sheep Nutritional Requirements and Key Points of Scientific Feeding Management
1. Nutritional Requirements Goats, like other livestock, require various nutrients for their life activities, mainly including protein, carbohydrates, fats, vitamins, minerals and water. (1) Protein Protein is a nitrogen-containing compound, and its basic composition is amino acids. There are many types of amino acids, but only just over 20 kinds make up proteins. Protein is the main component of sheep body tissues and cells, and is a nutrient essential for maintaining normal life metabolism, growth, reproduction and the production of various products. By
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