Why should shrimp farmers set up a feeding table?
Release time:
2019-12-11
Source:
The fast and slow growth of prawns is not only related to the density, variety, environment and other factors, but also directly related to the precise feeding. Because in the process of shrimp culture management, the appetite and growth status of prawns can be observed through real-time monitoring of the feed table, and the health status of prawns can also be observed through viewing the feed table, so as to timely find out the adaptability of prawns to the environment and whether the feed is sufficient or not, and timely management adjustment and treatment can be made through the feed table observation.
The production requirements of the material table: diameter 40-50cm, side height 10-15cm.
The material table should not be placed around the aerator, in areas with rapid water flow, or at a suitable position in the shrimp pond (generally 3-4 meters away from the edge).
How to judge whether the feeding is enough from the material table? What else can you see from the material table?
1. Look at the remaining material quantity
Within the specified time, there are more individual feeds and shrimps on the feeding table, indicating that the feed is just right and no feeding is needed for the next meal. If there is no feed on the feeding table but there is too much shrimp, it means that the feed is slightly insufficient and can be properly fed. If there is no feed on the feeding table and there is less shrimp, it means that the feed can be reduced or not.
Why should shrimp farmers set up a feeding table?
2, look at shrimp feces
The length of the feces is about 75px and the color is consistent with the color of the feed, then the feeding amount is sufficient; if the length of the feces is too short and the color is dark brown, then the feeding amount is insufficient.
3, look at the shrimp
The main observation of shrimp body surface color, liver color, contour, whether the enlargement and atrophy, intestinal fullness, vitality and so on.
4. Assist in judging the quality of water quality
Excellent water quality: the lifting table is relatively smooth, because the water viscosity is small and the material table has less attachments. Poor water quality: it will be more laborious to lift the net, because there are dead algae and dead bacteria attached to it, and the viscosity of the water body is too high.
Why should shrimp farmers set up a feeding table?
5. Is the shrimp long or not long?
Is the prawn long after eating the material or not? Regularly weigh the prawn to determine whether the growth rate is normal.
Summary: Check the feeding table, observe the feeding table to see if there is any remaining amount of material, and then according to the situation of prawn (check the amount, length, color and uniformity of prawn feces, check the health degree and vitality of prawn liver and intestine, etc.), combined with environmental factors such as weather, water temperature and water quality. Comprehensive analysis, to decide whether to increase or decrease the amount of feeding, this is a reasonable breeding management method.
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