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NIA Home > Research > Scientific Resources > Aged Rodent Colonies Handbook
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Available Strains

Inbred Rats:

Fischer 344 (F344)
Brown Norway (BN)

Hybrid Rats: F344xBN F1 (F344BN)
Inbred Mice:

BALB/cBy
CBA
C57BL/6
DBA/2

Hybrid Mice:

CB6F1 (BALB/cBy x C57BL/6)
B6C3F1 (C57BL/6 x C3H) - discontinued - 7/06 DOB is last entry
B6D2F1 (C57BL/6 x DBA/2) - reduced to entries every 4th month
Four-way cross mice (CB6F1 x C3D2F1 (C3H x DBA/2)) - discontinued - 7/06 is last entry

Caloric Restricted Rats:

F344
BN
F344BN F1*

Caloric Restricted Mice:

C57BL/6
B6D2F1*


*the youngest CR rats are 9/05 DOB - there will be a gap of about two years with no entries of CR rats, from 9/05 until summer of 2007; the oldest CR mice are 2/06 DOB

(Entry of mice is expected to begin in late 2005 so old CR mice will not be available until 2007)

We strive to have animals available out to at least the 50% survival age, but availability fluctuates due to changes in demand. An idea of the oldest available for each strain is available at http://www.nia.nih.gov/ResearchInformation/ScientificResources/OldestRodentColonies.htm, but the ages listed on this website are up-dated monthly and are intended only as an approximation. Contact the order desk (rodents@nia.nih.gov) for availability of specific strain/gender/ages.

  • Contact Information
  • Available Strains
  • Ordering Instructions
  • Eligibility Criteria for Use of the NIA Aged Rodent Colonies
  • Price Schedule - Aging Colonies - NIA Grantees
  • Price Schedule - Aging Colonies - Non-NIA Funded Grantees
  • Caloric Restricted Colony
  • Location of Colonies
  • Shipment of Animals
  • Animal Replacement Policy
  • Optional Services
  • Colony Monitoring and History
  • Barrier Environmental Information
  • References On The Use Of Rodents In Aging Research
  • Strain Survival Information
  • Downloadable Forms
  • Oldest Ages Available in NIA Aged Rodent Colonies
  • NIA Rodent Colony Health Summaries

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    Page last updated Feb 16, 2008