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02 June, 2011

Shrimps are Nocturnal Animal

In previous discussions have described in brief, that the shrimps has a nocturnal nature. In simply, nocturnal animals are animals that are mainly active during the night. As nocturnal animals, of course, shrimps are more active to carry out their life activity at night than during the day.

These biological characteristics should be used as a reference for the perpetrators of shrimp culture in determining the technical treatment to be applied in accordance with the conditions and level of shrimps need.

Referring to the above description, then some aspects that need to get attention on the shrimp culture process activities, among others are as follows:

  1. Monitoring of the condition and quality of shrimp should be performed more intensively at night. Because at night we can observe the shrimps with a higher level of activity than during the day. Some aspects to consider in monitoring activities in the evenings among others: the reaction of shrimps against the shock stimuli given, reaction of shrimps to the light stimuli given, and the shrimps appetite level.

  2. The amount of feed given at night should be higher than during the day. As nocturnal animals, shrimps more active looking for food at night, so that if the amount of feed given are less to meet the needs of shrimps, It is feared will happen the cannibalism and shrimps will be have high uniformity levels.

  3. Waterwheel should be operated as much as possible both in number and length of operation time of water wheel. As well known, at night the amount of oxygen in pond waters are less than during the day. This condition caused the competition of oxygen consumption by all organisms within the pond waters. The shrimps are more active at night, of course, their need to consume oxygen in accordance with the level of activity at the time. So if the amount of oxygen in pond water is less, it is feared will reduce the level of quality and condition of shrimps.

  4. In the night should be prevented the occurrence of mass mortality of plankton (plankton collapse) because it will cause any shocks to the quality of pond waters, and if this happens continuously, it can cause serious problems for the shrimps.
Based on the above description, it can be said that the nocturnal nature of the shrimp is one of the critical aspects that require attention for the perpetrators of shrimp farming. Instead, we are a human who do not have nocturnal nature like the shrimps, so that the actually critical point is a feeling lazy to do an accurate observation at night. The main key to overcoming this problem is back on philosophy as ever been discussed previously, ie "we follow the shrimps, not shrimps follow us."

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