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Factory culture Vibrio prevention and control is very important
Release time:
2023-03-30
1. Case Details
Time: March 2023
Location: Huanghua City, Hebei Province
Breeding species: Penaeus vannamei
Pool area: 24 ㎡
Water quality index: pH:8.6 ammonia nitrogen: 0 nitrite: 0.15
Description: Prawns eat slowly, individual ponds are more serious, liver is red, jejunum jejunum. Vibrio detection: Vibrio vibrio, yellow vibrio exceed the standard, liver pancreas, intestinal vibrio detection: green vibrio, yellow vibrio are seriously exceeded.
2. treatment scheme
Disinfection of sedimentation tank: Hydrin Pioneer 3ppm
Vibrio in water body: 5ppm of water is poured out, which can be used twice in serious cases.
Vibrio in vivo: 3 g/kg mixed with vibrio
3. effect feedback
Vibrio vibrio vibrio and yellow vibrio were normal, shrimp intestinal, liver vibrio also in the normal range, shrimp feed also increased significantly.
4. case analysis
Vibrio is a kind of harmful bacteria, among which Vibrio parahaemolyticus and Vibrio alginolyticus have great influence on Penaeus vannamei. Vibrio parahaemolyticus: make shrimp suffer from early death syndrome; Vibrio alginolyticus: make shrimp seedlings suffer from bacterial blood disease, as well as red body disease, white spot disease and other diseases.
The breeding temperature in the workshop is very suitable for the reproduction of vibrio, especially when the weather is warmer, the algae in the sedimentation tank begin to increase and vibrio multiply in large numbers. It is also possible to bring vibrio into the workshop by changing water from foreign source. The bottom and wall of the pool are not clean and slippery, which is also easy to breed vibrio.
Arc Lijing: high content of bacteria powder, pure strains, sea and fresh water universal, adapt to a wide range, mild no stimulation. It can efficiently lyse harmful bacteria such as Vibrio parahaemolyticus and Vibrio alginolyticus in water.
green arc busterTemperature and high salt tolerance, stable and lasting effect, specifically for Vibrio vibrio vireus in vivo.
Hain PioneerIt has an excellent redox effect on the bottom organic pollutants and harmful microorganisms in aquaculture, thereby inhibiting the production of harmful substances in water bodies.
This article: Sun Dekang
Editorial Review: Zang Xueyun, Zhang Chuanbao
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