Improve the disease prevention system of soft-shelled turtle
1. Build breeding facilities that meet ecological requirements, including breeding engineering facilities, water source and water quality management.
2. Scientific feeding management and daily operation shall be carried out, and high-quality, complete, diversified and pollution-free feed shall be used.
3. Choose healthy seed culture. Try to cultivate young and young seedlings on the spot, and avoid introducing foreign seedlings, especially imported seedlings, to prevent secondary infection of pathogens. Even if introduced, strict quarantine and isolation observation must be carried out.
4. Do a good job in daily hygiene management, establish a relatively closed production system, cut off the invasion route of pathogens, and feed Chinese herbal medicines and some nutritional supplements regularly (twice a month, once for about 5 days) according to the occurrence season and characteristics of soft-shelled turtle diseases. At the peak of the disease, some antibacterial and antiviral drugs were added, and the feeding time of bait was extended appropriately. Soft-shelled turtle because of its own vitality, disease resistance are very strong, once the disease has been shown to have a certain number of individuals, soft-shelled turtle in the early stage of the disease is not easy to be found. Therefore, regular disease prevention and timely treatment are necessary means for successful soft-shelled turtle breeding.
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New breeding variety Xianke giant crucian carp
Crucian carp is an omnivorous fish species mainly based on plant feed. Its living water temperature, feeding water temperature, growth water temperature, pH value and salinity are 0.38 ℃, 1035 ℃, 1532 ℃, 58.5 and 0 ~ 7 ‰, respectively. The giant crucian carp has a strong ability to adapt to bait, and the juvenile stage mainly feeds on plankton. When the body length reaches more than 6 cm, it begins to take plant feed and eat both organic detritus and commercial feed. The giant crucian carp of Xianke family grows fast and can grow to 0.6-1.5 kg for half a year to one year.
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Feed Saving skills of Pelteobagrus fulvidraco
At present, Pelteobagrus fulvidraco is widely cultivated, and it is the main species to increase the income of agriculture and fishery in many places. However, in the process of culture, because of the one-sided pursuit of yield, many farmers do not know how to save feed and constantly put too much feed and fertilizer into the culture water, which not only increases the culture cost, but also deteriorates the water quality. affect the growth of Pelteobagrus fulvidraco, resulting in low culture efficiency. How to save feed cost in production practice? Strict cleaning, disinfection and disinfection of ponds can kill wild miscellaneous fish and reduce the number of people fighting for food.
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