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Alternatives to the Use of Animals in Research
Species-Specific Information & Drug Formulary
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ANIMAL IDENTIFICATION: THE DOG
Individual identification of animals plays a critical role in accurate record keeping. There are several methods of identification for each species. The needs of your lab should dictate appropriate method for the animal identification. USDA covered species are required by law to have identification.

Method Advantages Disadvantages
Collar
  • Non Invasive
  • Easy to Use
  • Anesthesia not required
  • Collar can get caught on caging
  • Not permanent
Ear Tattoo
  • Efficient
  • Permanent
  • Moderate expense
  • Experience/skill required
  • Anesthesia required
Electronic Transponders
  • Efficient
  • Highly accurate
  • Easy to use
  • Anesthesia not required
  • Permanent
  • Expensive
  • Current technology lacks standardization among products
  • Animal must be securely restrained
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Page Updated: January 2003