Trail the tail, cut the beard is the constant worry of who vannamei shrimp. Diseases not only cause economic loss, but also affect the quality of products, reduce the commercial value of shrimp. To remedy the situation White shrimp worn tail off beardfarmers need equipped with the necessary knowledge about prevention and treatment. This article will provide you the helpful information to protect the man, his shrimp.

Causes of white shrimp worn tail off beard

• The bottom of the pond is polluted and is not thorough hygienic create a favorable environment for the proliferation of bacteria, causing them to attack the part, such as legs, beef, foot pool and beard, led to the trail, tail, and hair loss beard.
• The cause of white shrimp worn tail off beard is caused by the bacterium Vibrio spp, in which there are many strains of bacteria have been identified as V. parahaemolyticus, Vibrio alginolyticus, and V. ordali.
• Moreover, the status shrimp hungry bite each other or bait consumption, poor quality, lack of minerals also contribute to causing the phenomenon of tail erosion and loss of whiskers.

Identification signs white shrimp worn tail off beard

• Prawn feed, declining health and easy to become a target device, the others eat meat.
• Shrimp move slow, the ability to catch prey decline and development is not fast.
• The shrimp disease often have areas of software appear on the layer of chitin shells, gradually created the mottled brown, black or white, chitin shells eroded, and the limbs as legs, beef, foot pool, a beard of the same lobster tail may become swollen and worn out.
• When the shrimp is off the beard and tail, often appear more other signs such as: shrimp with its strong, wear and dirt on the body there are pink, red, weak health, stop eating and eventually die.

Prevention and treatment of disease pacific white shrimp worn tail off beard

How to prevent white shrimp worn tail off beard

Throughout the process of shrimp, it should keep the bottom of the pond is always clean. This can be done by xi-shirts the bottom of the pond and additional probiotics to decompose sludge, uneaten food and feces shrimp under the bottom of the pond, helping to maintain the bottom of the pond clean and odor control in the breeding process.

Need to increase aeration to ensure the amount of dissolved oxygen is distributed evenly between the water floor. 

Note that the level of dissolved oxygen should reach above 4 mg/l to shrimp can grow well.

Check and adjust the environmental factors such as pH (7.2 – 8.8), salinity (10 – 25‰), temperature (25 – 30°C), in (30 – 45 cm), alkalinity (20 – 50 mg/l) and hardness (20 – 150 ppm) to ensure culture conditions ideal.

Apply molasses to balance the ratio of Carbon and Nitrogen in the pond with the dose of 1 – 3 ppm, help beneficial microorganisms efficient operation, reducing the organic matter in excess, keeping the pond clean and limit the diseases such as legs, antennae and tail.

In addition, measures Should be taken to control the density of breeding, remove shrimp disease to limit the spread.

>> See more: The disease head on white shrimp: Causes, symptoms and effective treatment

How to treat white shrimp worn tail off beard

In the case of shrimp pond signs of disease, people should apply iodine at the rate of 1 liter per 1000 cubic meters of water, mustard evenly around the pond in the evening. Or, she can use with the same dose and mustard on sunny days. When using these two substances to treat disease, legs, beard and tail, need to turn on the fan water to reach maximum efficiency.

After 2 days of use iodine, should proceed to re-create the microflora in the pond with the dose doubled compared to only specified by the manufacturer, to promote the development of microorganisms in aquaculture ponds. However, the use of the iodine will harm the Shrimp if used with the wrong dosage. Instead, we should take the probiotics safe, highly effective.