Small scale rainbow trout farming
 

Small scale rainbow trout farming


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Small scale rainbow trout farming

Acquisition of permissions is also important. Without the necessary permissions the construction should not start. The range of the permissions needed varies from country to country, or even from region to region within the same country. Especially in many mountainous regions, which are part of protected areas or national parks, obtaining permissions might be complicated.

Construction is the third step of the implementation. With a reliable engineering design, not only budgeting and programming but also the execution of the construction will be easier. Although much of the construction work can be done using one’s own labour resources, it is recommended that a skilled bricklayer and plumber be contracted. They will ensure that the work is of the required quality.

There are many different ways and solutions for constructing concrete tanks and ponds and their water supply and drainage structures. Ideas can be gathered from the sections above.

Also Read: What do rainbow trout like to eat?

Trial run is the last step in the implementation of a new trout production unit or farm. A trial run lasting a few days before starting fish production is important as this enables hidden defects and problems to be detected and remedied.

Small scale rainbow trout farming

The trial period is also useful for observing the quality and quantity of the received water and practising its control and management.

Production work and tasks

Receiving eyed eg, fry, fingerlings and older age groups On many trout farms, production starts when eyed eggs, fry or fingerlings arrive from another farm. Before the actual arrival of eggs, all of the rearing devices should be cleaned and disinfected. After the preparation of the devices, their water supply should also be checked.

Fry or fingerlings are transported either in plastic bags or in containers. The tempering procedure is the same in both cases.

1. Measure the temperature of the transport water and the receiving water. 2. Gradually adjust the temperature of the transport water to the temperature of the receiving water. 3. As soon as the temperatures are equalized, the fry or fingerlings may be transferred to their new place. Eyed eggs are transported either: I. in plastic bags with water and oxygen; or II. hibernated in insulated box on trays with ice. The steps of tempering* the eggs and unpacking are similar in both cases.

Also Read: Why is salmon superfood?

1. Measure both the temperature of the transport water and the hatchery water. Gradually adjust the temperature of the transport water to that of the hatchery water. As soon as the temperatures are equalized, the eyed eggs should be placed into the trays after disinfection, as prescribed by the supplier.

2. Gradually adjust the temperature of the eyed eggs in the transporting box by carefully adding hatchery water through the ice found on the top tray. As soon as the box is filled with hatchery water (the temperatures are equalized), the eyed eggs should be placed onto the hatching trays.

More Guidelines Visit: How To Raise Rainbow Trout

 

Resources:

- Wild Trout

- Fws

 

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