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Products

NMT's marking and tagging systems all involve implanting tags into tissue beneath the skin so that, following healing of the initial wound, the tags become encased in healthy tissue. This requires that the tags are (1) small, (2) bio-compatible, and (3) nothing remains penetrating the skin. These three characteristics are the primary differences between NMT tags and others which tend to be much larger, and have an external code-bearing component that is anchored internally through a permanently raw lesion. Problems with the latter typically include unquantifiable levels of tag shedding, reduced growth and poor survival.

The advantages of NMT's Coded Wire Tagging system (CWT) over external tagging was demonstrated in Atlantic salmon (Isaksson and Bergman 1978 [Abstract]) and Arctic char (Berg and Berg 1990). Roberts, et al. (1973) has described the histopathology of the external tag lesion in detail. Mourning, et al. (1994) [Abstract] found that rainbow trout tagged with small implants grew significantly faster and suffered far less tagging injury than externally tagged fish.

Excellent descriptions of fish tagging techniques and their application are provided by Parker, et al. (1990) and Nielson (1992). Both volumes are available from the American Fisheries Society.

DISCLAIMER: Prices and availability subject to change without notice. Although we try to assure accuracy, NMT cannot be responsible for typographical or photo error on our web site.

Product List

Coded Wire Tags

Coded Wire Tags (CWT)

CWT Tag Formats

Injectors

MKIV Tag Injector
Handheld Multishot Tag Injector
Single Shot Tag Injector
Headmolds

Detectors

V-Detector
T-Wand Detector
Handheld Wand Detector
Quality Control Device (QCD)
Tunnel Detectors (R-Series)
T4 Detector
T13 Detector

 

 

 

Visible Implant

Visible Implant Elastomer (VIE)
VIE Manual Elastomer Injector
VIE Manual Injection Kits
VIE Air Driven Elastomer Injector
VIE Enhanced detection
VI Alpha Tags

AutoFish

The AutoFish System
Clipping and Tagging
Sorting

Fish Counters

Individual Fish Counter
Adult Fish Counter

 

 

Accessories

MagniViewer
Illuminator
CWT Detection Standard

Other:

Choosing the Right Tag
Prices
Warranty