Biosecurity in Fish Farms. Alicia Estevez (IRTA)

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Date: Monday, January 5, 2015
Description:

IRTA researcher Alicia Estévez explains some of the practices adopted in a fish farm to reduce the risk of introduction and spread of pathogens in the facilities.

Transcription:

Biosecurity measures are any practices, procedures or policies in a farm in order to reduce the risk that pathogens will be introduced in the facilities, that the pathogens will be spread out around the facilities or reduce the stressful conditions of the fish that will enhance the susceptibiltiy of the fish for these pathogens once they are already introduced. What do we do in IRTA? One of the first measures to carry out in our biosecurity systems is to control the access of any person in the facilities. It is advisable to have a record of the visit, the name, the date and the purpose of the visit. Once in the facility, this person has to chanhe his clothes, wear lab coat and boots and pass the security entrance that is ... full with water and desinfectants. Another measure for biosecurity is to have all the systems separated, that means different zones for each work. For example, there is a place for the larval rearing, another place for artemia production, another place for Rotifer production and another place for the nursery. Once the fish enter the facility, they have to be kept in the best conditions for the rearing, so we have to keep control of the water quality, measuring everyday the oxygen, the temperature, salinity, amonia or nitrate production and keep the tanks clean, taking out all the feed that has not been consumed and also take out all the dead fish we can find. One of the biosecurity measures that we recommend is to have a record of all the fish that enter the facilities and all the treatments that we do, for example, changes of the fish from one place to the other, number of the dead fish during the time they are in the facilities or the chemical treatments that we use to prevent the diseases.

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Re: Biosecurity in Fish Farms. Alicia Estevez (IRTA)
12/01/2015 |
Dear Alicia
I like to learn in detail about the importance of biosecurity in aquaculture management . I will be happy if
you help me in this regard. Lots of love and belated happy new year.

Prof. Nihar Chattopadhyay
Re: Biosecurity in Fish Farms. Alicia Estevez (IRTA)
22/01/2015 |

How come that you talk about biosecurity and you are siphoning the faeces and wastes of fish directly on the ground of a bioesured lab?

Wayne Beattie
Research and Development Director
Re: Biosecurity in Fish Farms. Alicia Estevez (IRTA)
07/04/2015 | Biosecurity procedures are/should be as simple as following procedure manuals.
The best of planning still comes down to human actions, this video is really good, this facility looks really good, it appears to have a place for everything & everything in it's place, except our gowned speaker PICKS up shoes of visitor & places shoes into clothing rack WITHOUT ANY FURTHER DECONTAMINATION EFFORTS. There for bypassing biosecurity protocols. As for siphoning faeces & food wast onto floor to be tramped around, should have been into a bucket at least.
NB- Maybe editing remove the hygene part & our presenter is being put under the microscope unfairly.
Re: Biosecurity in Fish Farms. Alicia Estevez (IRTA)
19/05/2015 |

The shoes of the visitor were put in a clothing rack, boots and labcoat provided to the visitor and before entering the facilities (the clothing rack is just in the door of the facilities) the visitor and everybody pass throught a footbath (pediluvio in Spanish) full with chlorine. So the shoes of the visitor were not cleaned because other shoes (boots) were provided before entering and because with that other boots the visitor pass through chlorine. Do you think that disinfection is not enough?
We haven't show it in the vídeo but before entering any room (especially in larval rearing and pathology rooms) there is also a hand sanitization dispenser.
In the case of siphoning the floor is then completely washed with freshwater and chlorine.

Re: Biosecurity in Fish Farms. Alicia Estevez (IRTA)
07/07/2015 | Pls whats is/are the expected component(s) of an idea hand sanitizer. And how can we improvise in the absence of them?. Thanks
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