Fish Feed Machine Knowleagde

1：Penaeus vannamei has high requirements for dissolved oxygen, generally about 3-5 mg/L, so pay attention to aeration during the breeding process. When the size of the prawn is 3cm, the aerator in the pond should be turned on, generally from the day of the start Starting from 2 hours a day, gradually increase the opening time. When the size of the prawn reaches 6cm, it must be opened for at least 10 hours a day, especially the 5 hours at noon on a sunny day.

2：For the cultivation of South American shrimp, stocking high-quality seedlings should be used, and high-quality high-quality shrimp seedlings that are healthy and lively, strong in activity, uniform in size, and disease-free should be selected. When placing seedlings, pay special attention to salinity, and the salinity of the pond should not be lower than the salinity of the nursery pond by more than 1‰. The stocking density is generally 80,000 to 150,000.