Bait selection and feeding should pay attention to what
November 03 06:01:08, 2024
The type of bait is mainly based on the use of bio-feeds that have been bred in the pool during the early breeding period, and is mainly based on compound feed in the middle and later stages. In the later period, fresh and live baits that are not virus-free or matured, etc., can be appropriately fed and fed. The determination of the amount of bait used to determine the amount of bait is a key technology in the development, is the main factor that determines the success or failure of shrimp farming, the level of economic efficiency. The number of feedings is generally studied based on the following factors. 1) First, the number of tails of shrimp in the pool should be accurately estimated. 2) After feeding, adjust the feeding amount according to the shrimp feeding condition. 3) Adjust the fullness of shrimp stomach. One hour after feeding, if there are more than two-thirds of the shrimps up to stomach and half stomach, it means that the feeding is adequate. If the stomach and half-stomach shrimp do not reach 1/2 of the total amount, the amount of bait is insufficient and the amount of bait should be increased appropriately. 4) Adjust the feeding amount according to the growth of the shrimp. 5) When the water temperature exceeds 32 degrees Celsius and the high temperature period, the dissolved oxygen is lower than 3 mg/l, and when the ammonia nitrogen content exceeds 1 mg/l, the feeding amount should be reduced accordingly. Feeding method 1) Feeding position: In the initial stage of breeding, a feeding area should be set at a depth of about 0.5 meters around the pool. With the growth of the shrimp, gradually feed into the deep water. 2) Feeding time: Feeding 3 times a day before the breeding. Before the sunset, the best bait is given. The amount of bait should account for more than 60% of the daily feeding amount, and should not be fed after noon and midnight.
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