The adaptive range of salinity is 5 ~ 25, and the closer it is to 10, the faster it grows. The optimum temperature range is 14℃ ~ 34℃, and the optimum growth water temperature is 25℃ ~ 30℃. When the water temperature is lower than 18℃, stop feeding, as long as the water temperature is not lower than 12℃, it will not die.

I like to live in sand and mud or sediment, and usually stay at the bottom during the day. At night, the appetite is strongest, and frequent foraging activities are started. Strong omnivorousness, the requirement for feed protein is 35% ~ 40%, and shellfish, miscellaneous fish, shrimp, peanut bran and wheat bran are all edible. The maximum length of Penaeus monodon caught in natural sea area can reach 33 cm and the weight can reach 500-600 g.

After 80 days to 100 days in the pond, the shrimp fry can reach12cm to13cm in length, with an average daily growth of 0. 1 cm to 0.15cm and a weight of about 25g. Each kilogram of shrimp can reach 40 ~ 60, and the average yield per mu is 100 ~ 200 kg, and 1 year can support two crops.

Extended data

efficacy

Shrimp is nutritious, soft and easy to digest, and it is an excellent food for people who are weak and need to be nursed back to health after illness. Shrimp is rich in magnesium, which can protect cardiovascular system, reduce cholesterol content in blood, prevent arteriosclerosis, dilate coronary artery, and help prevent hypertension and myocardial infarction.

Shrimp also has the effects of tonifying kidney and strengthening yang, promoting lactation and resisting toxicity, nourishing blood and solidifying essence, removing blood stasis and removing toxic substances, invigorating qi and strengthening yang, dredging collaterals and relieving pain, stimulating appetite and resolving phlegm.

Baidu Encyclopedia-Nine Robbers

Baidu Encyclopedia-Penaeus monodon