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Detailed Explanation of Key Technical Points for Disinfection and Disease Prevention in Silkworm Rearing
With the Western Development Strategy, the state began implementing the "East Mulberry Moved West" plan. In many places in Yunnan Province, as part of a new round of industrial restructuring, the sericulture industry is being given key support as a distinctive industry for increasing farmers' income and helping them become prosperous. However, during the process of raising silkworms, outbreaks of silkworm diseases caused by inadequate disinfection or improper methods often leave mulberry-growing and silkworm-rearing farmers with no cocoon harvest at all and with heavy economic losses. Thorough disinfection and disease prevention, and eliminating pathogen transmission, are the key measures for achieving high-quality and high-yield silkworm cocoons. The key technical points are as follows. 1. Disinfection of silkworm rearing houses
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Scientific feeding is essential in soft-shelled turtle hatchling rearing, and mastering the method is key
affects the farming of adult soft-shelled turtles. Whether scientific feeding can be carried out is the technical key affecting the growth and quality of soft-shelled turtle hatchlings. For this reason, here is an introduction to scientific feeding in soft-shelled turtle hatchling rearing, for reference and application. As with farming other aquatic animals, feeding can follow the four-fixed principle, namely fixed quality, fixed quantity, fixed time and fixed location. However, the four-fixed contents of feeding in soft-shelled turtle hatchling rearing have their own characteristics. Because soft-shelled turtle hatchlings, during their growth process, not only need to accumulate energy and increase body weight, but also need to provide various nutrients and
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What are the key technical points for winter rearing of broodstock?
Broodstock rearing is divided into stages such as post-spawning care, autumn rearing, winter rearing and spring rearing. Because winter temperatures are low, broodstock activity decreases, their feeding ability is weaker and they are prone to fish diseases; if management is poor, it will have a great impact on the next year's artificial hatching, fry and fingerling production, market-size fish farming and other production stages. The key technical points for doing a good job of winter broodstock rearing are: 1. Pond selection. Broodstock ponds require an adequate water source, a flat pond bottom, shelter from wind and exposure to sun, and good water and heat retention, with an area of 10-15 mu being suitable.
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What are the specific operation methods for broodstock rearing ponds?
The daily operations of the managers in the rearing pond directly affect the feeding of the broodstock and the success or failure of the rearing. Because the large yellow croaker is very timid and easily startled, the sounds made by managers walking around in the rearing room, feeding, handling tools, and so on, as well as the sudden change in lighting caused by opening the door, may cause the large yellow croaker to temporarily stop feeding or feed less, and may cause it to swim wildly and dash about, so that it hits the pond wall or jumps out of the pond, causing injury or death and affecting the normal development of the broodstock's gonads.
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What are the fish species for rearing adult fish? Introduction to common species
Rearing adult fish in rice paddies means placing winter fingerlings or large-size fingerlings into the paddy field to grow into large fish. Adult fish are also called food fish or commercial fish, meaning they can be eaten or sold as a commodity. The species for rearing adult fish in rice paddies are mainly herbivorous fish and omnivorous fish, with filter-feeding fish as a supplement, and multiple fish species are polycultured. Herbivorous fish include grass carp and bream; omnivorous fish include common carp, Pengze crucian carp, and others; filter-feeding fish include silver carp and bighead carp. In addition, fish suitable for rearing in rice paddies also include loach, yellow eel, tilapia, snakehead, and catfish. These fish
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The layout of a goose farm requires careful consideration; only scientific planning allows for successful goose rearing
1. Site selection. The site should be close to a water source, with the water surface as wide as possible, a water depth of 1-2 m, and good water quality, and a bit far from residential areas; the soil is best if it is sandy loam, with convenient transportation and a south-facing orientation. 2. Scale determination. The production scale is determined by investment capacity, rearing conditions, technical strength, sources of goslings, and product @#@136@#@, etc. Only by achieving batch production can greater rearing benefits be obtained. 3. Overall planning. First, the buildings should be divided into a production area and an administrative area and living area, with the two areas separated by more than 50 m and separated by a wall. Production
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Introduction to the Characteristics of the Tianshan Snow Chicken Breed and Its Rearing Methods
The Tianshan Snow Chicken belongs to the Phasianidae family and is a herbivorous poultry species. It originated at the summit of the Tianshan Mountains in China and is a rare breed unique to our country, with very small numbers. The Tianshan Snow Chicken is small in size with a robust constitution, a body length of about 60 cm, a delicate appearance, a purple beak, and an orange waxy base and covering over the nostrils; its whole body is covered with well-developed, upward-curving feathers. The Tianshan Snow Chicken moves nimbly, is alert in spirit, and is light and quick in activity. An adult male chicken weighs about 1.5 kg and begins to crow at 5 months of age; a female chicken weighs 1.2 kg, begins laying eggs at 6 months of age, and lays 120-150 eggs per year. Eggs weigh 40-50
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Methods for Introducing Turtle Hatchlings in Autumn and Rearing Methods
Because turtle hatchlings go through an adaptation process when moving from one environment to a new one, with a cycle of 1 month to 2 months before they gradually become normal, and moreover turtles are ectothermic animals, after entering autumn, as the temperature gradually drops, turtles also gradually grow more slowly. The advantage of introducing stock in autumn lies in seizing the opportunity when turtles grow slowly at this time, letting them adapt to the new environment. After spring begins, the temperature rises, and the turtles immediately enter a growth state without needing to adapt to the new environment again. Under normal circumstances, turtle hatchlings introduced in autumn enter the growth period 1 month to 2 months earlier than
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Detailed Guide to Autumn Turtle Hatchling Introduction Techniques and Rearing Methods
Because turtle hatchlings go through an adaptation process when moving from one environment to a new one, with a cycle of 1 month to 2 months before they gradually become normal, and since turtles are ectothermic animals, after autumn arrives, as the temperature gradually drops, turtles also gradually grow more slowly. The advantage of autumn introduction lies in seizing the opportunity when turtles are growing slowly at this time, letting them enter the new environment to adapt. After spring begins, as the temperature rises, the turtles immediately enter a growth state without needing to adapt to the new environment again. Under normal circumstances, turtle hatchlings introduced in autumn enter the growth period 1 month to 2 months earlier than those introduced in spring.
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Rearing Methods and Technical Key Points for Ground Beetles (Eupolyphaga)
(1) Rearing equipment can be designed according to the scale and purpose of rearing. Here we only introduce the rearing equipment used to provide a source of medicinal insects. ① Insect sieves: their purpose is to separate nymphs of different instars, adults and oothecae by sieving within a certain period, and then rear them separately and isolate the medicinal insect bodies. The sieve apertures are divided into 5 specifications: 2-mesh sieve: used when separating out adults. 4-mesh sieve: used when separating out 7th-8th instar nymphs. 6-mesh sieve: used when separating out oothecae and insect feces. 12-mesh sieve: used when separating out 1st-2nd instar nymphs. 17-mesh sieve
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