Dr. Gajanan
MemberForum Replies Created
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<font dir=”auto” style=”vertical-align: inherit;”><font dir=”auto” style=”vertical-align: inherit;”>como prevenir enfermedades respiratorias, hacer una buena limpieza , desinfección y fumigación después del cambio de cama. Correcto funcionamiento del sistema de ventilación, controlar las variaciones térmicas, y la densidad poblacional, estos factores si no lo controlamos contribuye al estrés respiratorio</font></font>
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Mites can also be introduced by wild birds, rodents, or presence in the environment such as damp soil or bedding.
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Very true sir. Like you have said, its importance can’t be over emphasized speaking from personal experience as a hatcher/breeder. In fish hatcheries, aeration devices are extremely important for maintaining water quality, ensuring proper dissolved oxygen (DO) levels, and supporting the survival and growth of fish eggs, larvae, and fry. Since hatcheries often hold fish at higher densities than natural systems, oxygen demand is much greater, and mechanical aeration becomes essential. Let me list some types of aeration devices I learnt about. But I will dwell extensively on the ones I use/have used, stating their mportance, and the methodology of usage in hatcheries.
Types of Aerators.
1. Air Blowers and Diffusers
Description: Air blowers force air through pipelines into diffusers (stone or ceramic porous devices), releasing fine bubbles into tanks or ponds.
Importance: Fine bubbles increase the surface area for gas exchange, efficiently raising DO levels while reducing harmful gases (CO₂, NH₃).
Usage:
-Place diffusers uniformly in hatchery tanks or ponds.
-Adjust air flow to prevent strong turbulence that may damage the delicate eggs/larvae.
-Regjularly clean diffusers to avoid clogging.
2. Spray or Fountain Aerators
Description: Water is pumped through nozzles and sprayed into the air before falling back into tanks or ponds.
Importance: Useful for small to medium hatcheries; increases DO and provides mild cooling by evaporation.
Usage:
-Install spray nozzles over rearing tanks.
-Regularly check for clogging, especially if water has suspended solids.
3. Subsurface Aeration (Diffused Aeration Systems)
Description: Uses a network of pipes with multiple diffusers to distribute fine bubbles across large tanks or ponds.
Importance: Ensures uniform oxygen distribution, prevents anaerobic zones, and maintains better water quality.
Usage:
-Position diffusers in patterns for maximum coverage.
-Regular maintenance required to avoid biofouling.
Others are:
4. Airlift Pumps
5. Paddlewheel Aerators
6. Aspirator Aerators (Venturi Systems)
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Ensure good ventilation and cleanliness in their coop.
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A plant feasibility study is an assessment that determines the likelihood of a proposed project being successful, such as a new product line or technical system. The study analyzes the project’s relevant factors, such as technical, economic and legal considerations, to assess whether the project is worth an investment. The study can also identify potential issues and problems that could arise from pursuing the project.
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prevent Ammonia build up by clearing the droppings at when due.
Ventilation most be consider during housing system.
avoid stress and overcrowding of birds in small portion of land
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it increase reliability of consumers/customers on farm products.
it prevent zoonotic diseases.
infections are easily control.
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Any more doubt or clarification in this regard, please do mention.
-Anoop -
Corporate Social Responsibility (CSR) refers to the ethical responsibility of companies to operate in ways that are socially, environmentally, and economically sustainable beyond just making the profits out of investments and operations.
In relation to aquaculture – fish and shrimp farming it includes,
1. Environmental responsibility: Ensuring farming practices does not harm ecosystem
2. Social responsibility: Supporting local communities directly & indirectly
3. Economic responsibility: Contributing to rural development
4. Health and Safety responsibility: Producing safe fish / shrimp for end consumers
More to be added up further, please participate and add on based on your experience and knowledge or else generate more queries so I can answer specifically.
-Anoop -
A very important aspect of culture is BIOSECURITY
Important aspects of Biosecurity includes,
1. Site & Water Management
2. Seed and stock quality
3. Pond and culture facility preparation
4. Movement control
5. Feed & Input management
6. Health & Disease monitoring
7. Waste & Dead stock disposal
8. Record keeping & traceability
Each on these aspects having its expansion with many aspects in it, which I am leaving open for discussion and sharing on board by you professionals.
In short, biosecurity is a preventive shield – it’s success depends on prevention, exclusion & continuous monitoring rather than treatment after disease occurs. It’s pro environment and pro aquaculture & industry all together.
-Anoop -
Maintaining dissolved oxygen levels is one of the most important as well as challenging aspect. Aeration do have its role for maintaining the same in fish as well as shrimp farming. There are various ways – traditional to mechanical along with much more advanced ones. Let us take this opportunity to share our views on various kinds of aeration devices which can be used, their importance and methodology of usage etc out of our experience and knowledge.
-Anoop

