In the middle and later stages of shrimp and crab breeding, anti-stress is one of the key measures, and it is important for water quality, sediment quality, and river crabs. In the event of stress changes in the water environment, crabs will respond to stress, resulting in decreased vigor and decreased immune function.
In the near future, due to abrupt changes in the weather and water temperature, crabs responded to stress. In Dingshanhu Town, Kunshan City, Jiangsu Province, rivers and crabs were found to be ring-footed, and the crab legs were inwardly trapped. The activity and feeding capacity were not strong, and the shrinkage of the cocoon silk was a phenomenon with a certain incidence and mortality. In response to this situation, the use of red bacteria treasure 2 kg / acre * m thrown bottom change, combined with nutrients live vitiligo 400g / acre * m plus VC250g acre * m, Quanchiposa. After 5-6 days, the death of crabs was controlled.
At present, during the later period of crab breeding, in order to prevent severe stress responses from climate and environmental changes, farmers need to pay attention to the weather conditions, strengthen prevention work, and take effective anti-stress measures to prevent and control the occurrence of disease.
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