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Water temperature of shrimp pond

Shrimp and fish are cold-blooded species (poikilotherm). Their temperatures change according to the external environment. This feature is different from the function of warm-blooded creatures, or homeothermic species such as humans. Temperature especially affects shrimp’s respiration, food intake, assimilation of food, immune system and growth.

In Southern Vietnam, shrimp can be farmed throughout the year, where as in Northern Vietnam, shrimp can be farmed only in hot seasons. As the sun heats up the water surface, thermal stratification occurs. Thermal stratification makes water near the surface lighter and harder to be mixed compared with water in the deeper layers. Thermal stratification can be controlled with paddle wheel aerators

Black tiger prawn:

The suitable temperature for black tiger prawn, algae, and plants belonging to the group of green algae to develop in a tropical area is from 28 to 30 degrees Celsius. The temperature in shrimp ponds should not be changed abruptly because high fluctuation in temperature will discourage shrimp to eat. If the temperature in ponds is lower than 25 degrees Celsius, shrimp will reduce or stop eating, It is possible that shrimp will grow slowly or stop growing if the pond temperature is low.

Black tiger prawn at 28 degrees Celsius may grow slowly. At over 30 degrees Celsius, prawn may grow faster, but they are more susceptible to diseases, especially MBV disease (Monodon baculovirus).

Whiteleg shrimp:

Whiteleg shrimp is appropriate to be farmed at a temperature of 23 to 30 degrees Celsius. However, small-sized shrimp that weigh less than 1 gram can grow faster in warm water (30 degrees Celsius). Large-sized shrimp weighing from 12 to 18 grams grow faster at a water temperature of 27 degrees Celsius. When the temperature is lower than 15 degrees Celsius or higher than 33 degrees Celsius for 24 hours or longer, shrimp is likely to die. Shrimp is suffocated at 15-22 degrees Celsius and 30-33 degrees Celsius.


• If the water temperature is from 15 to 25 degrees Celsius, algae belonging to the group of Diatoms will grow well.

• If the water temperature is from 23 to 35 degrees Celsius, green algae will grow well.

• If the pond temperature is higher than 35 degrees Celsius, blue-green algae will grow better than other groups of algae.

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