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What are the key points of mulberry leaf feeding techniques in young silkworm co-rearing?
In the process of young silkworm co-rearing, mastering feeding techniques and ensuring proper nutrition is the key to ensuring young silkworms develop robustly and uniformly. Carefully select mulberry leaves according to the leaf standards for each instar, selecting in the field and selecting on the tree. Choose non-toxic, pollution-free, insect-free, appropriately mature leaves from the upper new shoots. Before leaf preparation, perform a second careful selection, removing leaves that are too old, too tender, wilted, or secondarily contaminated and thus below standard. Planned preparation and storage of leaves for young silkworms During leaf preparation and storage, keeping mulberry leaves fresh and with sufficient moisture is very important. Low-temperature running-water leaf storage
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Detailed Explanation of Key Technical Points for Winter Rearing of Broodstock
Broodstock rearing is divided into stages including post-spawning care, autumn rearing, winter rearing and spring rearing. Because winter temperatures are low, broodstock activity decreases, feeding capacity is weaker and fish diseases occur easily; if management is poor, it greatly affects the next year's production links such as artificial incubation, fry and fingerling production and grow-out fish farming. 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. 2
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Detailed Explanation of Key Techniques for Autumn Grass Carp Broodstock Rearing
In autumn and winter, the sex cells of grass carp broodstock are in the growth and development stage. The quality of feeding and management during this period directly affects the maturation of the gonads, the spawning induction results the following year, and the fertilization rate and hatching rate of the eggs. For this reason, the rearing of grass carp broodstock in autumn and winter should focus on the following points. 1. Pond preparation. The pond for rearing grass carp broodstock should be close to the spawning pond and have a good water source. The pond area is generally 3-4 mu, with a water depth of 1.5 m. Before stocking the broodstock, the pond should be cleaned and renovated, the pond embankments repaired, weeds removed, and the pond disinfected with quicklime or bleaching powder and other chemicals.
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Rearing and Management Methods and Technical Key Points for Young Quail
Rearing and Management of Young Quail
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Detailed Explanation of Key Technical Points for Tiger Grouper Fry Rearing
Tiger Grouper Fry Rearing Techniques
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Key Points and Detailed Methods of Puffer Fish Seedling Rearing Technology
Puffer Fish Seedling Rearing Technology
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Detailed Explanation of Key Points in Froglet Rearing and Management Techniques
Rearing and Management of Froglets
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Key Technical Points for Rearing Grass Carp Summer Fry and Older-Size Fingerlings
Rearing Grass Carp Summer Fry and Older-Size Fingerlings
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