The choice of shrimp
1. Choose a healthy shrimp that has not been infected with virus after it has been rigorously cultivated in accordance with the operating instructions for shrimp breeding. The groups of shrimps are tidy, full and transparent muscles, normal pigments in the appendages, full of food in the gastrointestinal tract, lively swimming, strong water repellency, no external parasites and attachments.
2. Individuals of shrimp are more than 1 cm (15 days to 20 days).
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