RAS Shrimp farm specifications

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1. To get an idea of the currently used tank dimensions, we would like to ask what the most common tank volumes used for RAS shrimp cultivation are?

Hatchery phase: Min (m³)

Hatchery phase: Med (m³)

Hatchery phase: Max (m³)

Nursery phase: Min (m³)

Nursery phase: Med (m³)

Nursery phase: Max (m³)

Grow-out phase: Min (m³)

Grow-out phase: Med (m³)

Grow-out phase: Max (m³)

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RAS Shrimp Farm Specifications Survey

1. Tank Dimensions

Hatchery phase: Min m3, Med m3, Max m3
Nursery phase: Min m3, Med m3, Max m3
Grow-out phase: Min m3, Med m3, Max m3

2. Tank Depth

Hatchery phase: Min m, Med m, Max m
Nursery phase: Min m, Med m, Max m
Grow-out phase: Min m, Med m, Max m

3. Stocking Densities

Hatchery phase: Min /m3, Med /m3, Max /m3
Nursery phase: Min /m3, Med /m3, Max /m3
Grow-out phase: Min /m3, Med /m3, Max /m3

4. Tank Shape

Circular: %
Rectangular: %
Others: %

Size-grading Protocol

1. Established Size-sorting Technologies

Screening/sieving
Hand sorting
Net towing
No sorting
Others:

2. Size-sorting Frequency and Average Weight

0 times
1 time: g
2 times: g, g
3 times: g, g, g
Other answer:

3. Percentage of Small Shrimp Removed

The smallest 5%
The smallest 10%
The smallest 15%
Other answer:

4. Positive Impacts of Homogeneous Growth

Less cannibalism/mortalities
Higher retail price
Higher feed conversion ratio (FCR)
Others:

Self-grading Device Requirements

1. Characteristics of a Commercial Size Grading Device

Permanently installed
Movable; customized (individually adapted to tank size/shape – more expensive)
Movable; uniform design (likely to be less efficient but also cheaper)
Others:

2. Maximum Portable Weight

15 kg
25 kg
50 kg
Other: kg

3. Means of Transport

Forklift
Crane
Lift truck
Others:

4. Materials to Avoid

PE and/or PVC
Aluminum
Stainless steel
Other:
Explanation:

5. Structures Within the Tanks

Shelfing systems
Tank separations
Obstruction of water flow
Inlet/outlet
Others:

6. Percentage of Tank Surface Used

5%
10%
15%
Other: %

7. Attachment of Size-grading Device

Screw connection
Clamp mechanism
Glued (permanently)
Others:

Effort and Costs

1. Maximum Acceptable Duration

24 h
48 h
72 h
96 h
Other:

2. Coefficient of Variation (CV) Before Sorting

CV = 1% - 15%
CV = 16% - 30%
CV = 31% - 45%
Other: %

3. Maximum Acceptable CV After Sorting

CV = 1% - 5%
CV = 6% - 10%
CV = 11% - 15%
Other: %

4. Economic Loss Due to Inhomogeneous Growth

0%
1% - 5%
6% - 10%
Other: %

Other Notes and Comments

We are extremely grateful for any tips and hints. If you have any other recommendations or points that you think should be considered, we would be grateful if you could briefly describe them below. Thank you for your time and effort:

Thank you for your time!

RAS Shrimp farm specifications

Published by Christopher on 1. June 20241. June 2024

RAS Shrimp farm specifications

1. To get an idea of the currently used tank dimensions, we would like to ask what the most common tank volumes used for RAS shrimp cultivation are?

RAS Shrimp Farm Specifications Survey

1. Tank Dimensions

2. Tank Depth

3. Stocking Densities

4. Tank Shape

Size-grading Protocol

1. Established Size-sorting Technologies

2. Size-sorting Frequency and Average Weight

3. Percentage of Small Shrimp Removed

4. Positive Impacts of Homogeneous Growth

Self-grading Device Requirements

1. Characteristics of a Commercial Size Grading Device

2. Maximum Portable Weight

3. Means of Transport

4. Materials to Avoid

5. Structures Within the Tanks

6. Percentage of Tank Surface Used

7. Attachment of Size-grading Device

Effort and Costs

1. Maximum Acceptable Duration

2. Coefficient of Variation (CV) Before Sorting

3. Maximum Acceptable CV After Sorting

4. Economic Loss Due to Inhomogeneous Growth

Other Notes and Comments

Christopher

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RAS Shrimp farm specifications

Published by Christopher on 1. June 20241. June 2024

RAS Shrimp farm specifications

1. To get an idea of the currently used tank dimensions, we would like to ask what the most common tank volumes used for RAS shrimp cultivation are?

RAS Shrimp Farm Specifications Survey

1. Tank Dimensions

2. Tank Depth

3. Stocking Densities

4. Tank Shape

Size-grading Protocol

1. Established Size-sorting Technologies

2. Size-sorting Frequency and Average Weight

3. Percentage of Small Shrimp Removed

4. Positive Impacts of Homogeneous Growth

Self-grading Device Requirements

1. Characteristics of a Commercial Size Grading Device

2. Maximum Portable Weight

3. Means of Transport

4. Materials to Avoid

5. Structures Within the Tanks

6. Percentage of Tank Surface Used

7. Attachment of Size-grading Device

Effort and Costs

1. Maximum Acceptable Duration

2. Coefficient of Variation (CV) Before Sorting

3. Maximum Acceptable CV After Sorting

4. Economic Loss Due to Inhomogeneous Growth

Other Notes and Comments

Christopher

0 Comments

Leave a Reply Cancel reply

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