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Overwintering Management Experience for Broodstock Breeding Ponds in Crayfish Aquaculture
Throughout the entire overwintering period, broodstock basically do not feed and consume a great deal of energy. Therefore, before overwintering, feeding must be intensified to strengthen the broodstock's constitution, store the necessary nutrients for safe overwintering, and increase the overwintering survival rate. When the water temperature drops below 10°C, broodstock basically enter burrows to overwinter and rarely emerge to activity. At this time, the water level should be appropriately raised to ensure there is water or moisture in the burrows, but the water depth must not exceed the burrow entrance; it should be slightly lower than the entrance. Otherwise, the broodstock will emerge from the burrows and choose new places to dig. Once the broodstock have basically entered their burrows, spread a thin layer of plant straw along the water's edge around the pond perimeter, such as rice straw, reeds, cattails, etc. First, to keep warm; second, to provide a hiding and overwintering place for the juvenile crayfish produced before the broodstock overwinter.
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Sharing Experience in the Breeding and Management of Japanese Koi
I. Feeding Program Japanese koi are omnivorous and, like people, have a good appetite for just about everything. Koi feed comes in two kinds, artificial and natural. Most koi enthusiasts mainly use artificial feed, and the feed composition varies depending on what it is being fed to.
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Sharing Experience on Overwintering and Broodstock Preservation of Tilapia in Outdoor Ponds
Currently, most tilapia overwintering methods use indoor ponds, which require demanding conditions and allow only a limited number of overwintering fish. In order to further increase the number of overwintering fingerlings, the following introduces outdoor pond overwintering and broodstock preservation technology: 1. Overwintering facilities: outdoor pond, area 1-1.5 mu,
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Detailed Explanation of Grouper Fry Nursery Rearing Technology and Daily Management Steps
1. Conditions for nursery rearing ① Site: Rearing can be done directly in the hatchery pond, or a nursery pond can be built within the culture pond. It should be a rectangular cement tank with a volume of 10-25 m3 and a water depth of 1-1.8 m. ② Lighting: Indoor nursery tanks use natural light; outdoor nursery tanks should avoid direct sunlight during the day, and foam can be used to control light intensity.
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Rearing and Management Experience for Stone Frog Tadpoles in the Early Growth Stage
Stone frog, I think many people have eaten it. Stone frog has high nutritional value and its taste is very delicious, so many people like to eat stone frog in daily life. As people's demand for stone frog grows, more and more people are breeding stone frog. Breeding stone
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What are the key points for sea cucumber farming in spring?
In northern China, sea cucumber farming is mostly open-air farming in tidal flats and shrimp ponds with artificial reefs. Many farmers hold the notion that because winter temperatures are low, sea cucumbers need no management, which leads to the death of many sea cucumbers. Based on what has been learned in recent years, the timing of large-scale disease outbreaks in farmed sea cucumbers is basically
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How to raise chickens that start laying in autumn? Sharing breeding experience
New hens brooded in spring, from the start of laying to the peak of production, are mostly in the crisp autumn season, and the following points should be noted in feeding. Supplement lighting. Entering autumn, the number of daylight hours decreases each day. For chickens just starting to lay, the lighting time should be 16 hours to 17 hours per day, especially
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Experience Sharing on Feeding and Management of Breeding Ducks During the Brooding Period
To lay a good foundation for reserve ducks and breeding ducks, the feeding work during the brooding period must be done well. The brooding period for parent-stock breeding ducks is 0-4 weeks of age. After hatching, ducklings are very delicate and require artificial selection or creation of a suitable living environment, along with careful feeding and management so that they can fully
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How to meet the nutritional needs of sows during the breeding period
Feeding and management of open (non-pregnant) sows. The task of open sows. During this period, for various reasons, sows consume a great deal of various nutrients in their bodies, and most are relatively thin and weak. Therefore, nutrition must be strengthened to quickly restore body condition, meeting their needs for protein, energy, vitamins, minerals and
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What are the precautions for watering sheep in spring?
In spring the temperature is still low, so care must be taken when watering sheep; otherwise insufficient drinking water will not only slow down the digestion of feed, block internal metabolism and cause loss of body condition, but also trigger various diseases. 1. Watering temperature: if the water the sheep drink is too cold, the water will absorb
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