Difference between revisions of "Visible implant elastomer"
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In contrast to other tag devices smaller individuals (even less than five centimetres) can be tagged with VIE and the cost per tag is quite low (€ cents per tag per millilitre of product and day of tagging). However, about costs, it is necessary to also take into account the need for fish samples, or video recording devices that are required for the recaptures | In contrast to other tag devices smaller individuals (even less than five centimetres) can be tagged with VIE and the cost per tag is quite low (€ cents per tag per millilitre of product and day of tagging). However, about costs, it is necessary to also take into account the need for fish samples, or video recording devices that are required for the recaptures | ||
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{{Suitable measures for Visible implant elastomer}} | {{Suitable measures for Visible implant elastomer}} | ||
Revision as of 08:33, 22 January 2020
Contents
Quick summary
Developed by:
Date:
Type: Device
Introduction
Visible Implant Elastomer (VIE) Tags are coloured tags (https://www.nmt.us/visible-implant-elastomer/). They are implanted in translucent tissue of several animals, mainly used in fish, but also in crustaceans, cephalopods, reptiles, amphibians, small mammals, etc. (Figure 1). VIE consists of two liquid components (colour component and curing agent) which are mixed just before the tagging, changing into a solid state in a short time (1-2 hours). VIE are injected subcutaneously with syringes or specialist injection systems in clear tissue areas, and there are several colours available, with and without fluorescence.
Application
The main goal of tagging with VIE is the visual recognition of individuals. This can be achieved with a unique code, depending on the number of animals, colours and tagging places available. Obtaining results is based on mark and recapture techniques, and usually as a complement of another tracking system. The main application is focused on temporary habitat use studies. In the case of fishways, tagging fish downstream, upstream and inside the fishway, and recapturing some of them, can provide information about their movements. In contrast to other tag devices smaller individuals (even less than five centimetres) can be tagged with VIE and the cost per tag is quite low (€ cents per tag per millilitre of product and day of tagging). However, about costs, it is necessary to also take into account the need for fish samples, or video recording devices that are required for the recaptures
Relevant mitigation measures and test cases
Other information
More information about range size and species with links to research papers can be found here: https://www.nmt.us/versatile-vie/ There are other types of tags with similar characteristics and/or applications. For example: VI Alpha tags (https://www.nmt.us/vi-alpha/), Anchor tags (https://www.hallprint.com/), piercing tags (https://nationalband.com/fish-tags/).
