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A Complete Analysis of New Techniques for Scientific Silkworm Rearing
The silkworm is a completely metamorphosing silk-spinning insect among polyvoltine poikilothermic animals. Its larva, after 4 molts and 5 instars over 26-28 days, eats more than 20 grams of mulberry leaves in total, then matures, spins silk and cocoons. The cocoon is white, weighing about 1.8-2.3 grams, with a cocoon shell ratio of 20-23%, a silk length of 1000-1400 m and above; silk thickness 2.6-3.2 denier. Usually, rearing 1 sheet of silkworm eggs has 18,000-20,000 silkworms, requires 50-600 kg of mulberry leaves, and can produce 30-40 kg of silkworms. The currently more scientific new rearing techniques are the following five points
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A Complete Analysis of Viper Rearing Techniques and Methods
The viper, also known as the "earth snake," is a small venomous snake distributed throughout China. Besides being eaten, it has high medicinal value. Its breeding stock is easy to obtain, and the rearing method is not difficult, making it a new type of breeding industry for people to get rich. 1. Development and utilization: Some precious medicines produced using the viper as a raw material can cure many difficult and complicated diseases. At present, the ways in which domestic scientific research institutions develop and apply it include: (1) Viper venom is a raw material for producing highly effective antithrombotic drugs. (2) Dried snake has the effects of dispelling wind, calming, detoxifying, relieving pain, strengthening the body, and promoting lactation. Therefore, developing
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Artificial Rearing Techniques and Methods for the Many-banded Krait
The many-banded krait, also known as the silver-banded krait or the golden coin krait, has high medicinal and economic value. Its rearing methods are as follows: 1. Build reasonable pools. The snake pool is built of brick and stone, 2 m square and 1.5 m high, and can hold 15-20 snakes; keeping too many snakes makes management difficult. The pool walls are smoothed with cement, and a movable glass cap is added on top of the wall in a T shape to prevent escape. The pool bottom is the snakes' activity area, where weeds should be planted, and then snake dens should be built with sandy soil, wooden boards, bricks and tiles, etc. Inside the pool, build a flowing-water ditch and a feed basin,
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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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