Vannamei Shrimp Farming using Biofloc System - Black Spot Disease Part II

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Friends, recently I started a new experiment on my Biofloc Tanks to understand a few facts and during the culture, I came across some problems, which I have discussed, in this video. So please watch this video till the end to understand more about of it. Please feel free to share your thoughts on this and if you are new to my channel consider subscribing it.
Black spot disease, also known as melanosis, is a common issue in shrimp aquaculture, including the cultivation of vannamei shrimp (Litopenaeus vannamei). It is characterized by the appearance of small black spots on the exoskeleton (shell) of the shrimp. These spots are melanized areas, which means that melanin, a pigment responsible for dark coloration, accumulates in the affected regions.
Here are some key aspects of black spot disease in vannamei shrimp:
Causative Agent:
Black spot disease is primarily caused by the deposition of melanin in response to various stimuli.
Common triggers include physical injuries, exposure to sunlight, and infections by certain microorganisms.
Physical Injuries:
Shrimp may develop black spots as a result of physical injuries to their exoskeleton.
Scratches, wounds, or damage to the shell can lead to melanin accumulation as a defense mechanism.
Sunlight Exposure:
Prolonged exposure of shrimp to direct sunlight can induce the formation of black spots.
Shrimp often seek shelter during daylight hours to reduce the risk of melanin accumulation.
Microbial Infections:
Bacterial and fungal infections, particularly those affecting the cuticle (outer covering) of the shrimp, can contribute to black spot development.
The microbial infections may enter through wounds or damaged areas on the exoskeleton.
Stress Factors:
Environmental stressors, such as poor water quality, suboptimal temperature, and high stocking density, can weaken the shrimp's immune system and make them more susceptible to black spot disease.
Cultural Practices:
Improper aquaculture practices, including inadequate pond management, overfeeding, and insufficient biosecurity measures, can contribute to the occurrence of black spot disease.
Genetic Factors:
Some shrimp may be genetically predisposed to developing black spots, and selective breeding for disease resistance can be employed to reduce the incidence.
Management and Prevention:
Implementing good management practices, maintaining optimal water quality, and ensuring proper nutrition can help prevent stress and reduce the likelihood of black spot disease.
Regular health monitoring and prompt response to signs of disease can aid in controlling its spread.
It's important for shrimp farmers to adopt a holistic approach to disease management, addressing not only the visible symptoms but also the underlying factors that contribute to stress and susceptibility. Regular observation, proper pond maintenance, and adherence to recommended aquaculture practices are key components in preventing and managing black spot disease in vannamei shrimp during the culture period.
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[@ansumantripathy6206]

Very nice video sir.

[@RoadtoBioFloc]

Thanks and welcome

[@divyadharani5509]

Keep subtitles

[@ansumantripathy6206]

Sir How to Contact with Buyers & how we can get their contact details.

[@ansumantripathy6206]

Sir,I am from Bargarh Odisha & I want to know daily price Chart of Shrimp & of different varieties.Can U help out in odisha. 0:00

[@RoadtoBioFloc]

Usually its shared by the union to the farmers

[@bullet4922]

What is the cost of the book?

[@RoadtoBioFloc]

Rs.399