PhysGen Program for Genomic Application is funded by NHLBI to develop consomic and knockout rat strains, phenotypically characterize these strains, and provide these resources to the scientific community. 

     Heart Rate (Renal Protocol, high salt) [download data]
     Heart Rate (Respiratory protocol, low salt) [download data]
     Heart Rate (Cardiac protocol, isolated heart) [download data]

The NBRP is a rat repository founded by the the Ministry of Education, Culture, Sports, Science and Technology (Monkasho) in Japan.  The NBRP-Rat collects, preserves and supplies rat strains and maintains a public database with charcterization of phenotypes and genetic profiles. 

     NBRP heart rate

Phenotyping methods and details