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10 Tips for Dealing with Aggression & Fighting

Request littermates or cage mates when submitting animal orders for male mice.  Combining males from different litters is only appropriate at weaning (3-4 weeks).    Males may be combined at weaning age (3-4 weeks), but should not be combined at older ages.   Males shipped in separate compartments of the same shipping box or in individual boxes should not be combined … Read More

The North American 3Rs Collaborative

The North American 3Rs Collaborative (NA3RsC) is a nonprofit organization whose mission is to advance science, innovation, and research animal welfare. We facilitate collaborative opportunities to refine, reduce, and replace animals in research. We are unique in growing partnerships between academics, pharmaceutical companies, vendors, technology providers, contract research organizations, government organizations, regulatory agents, and other … Read More

Rodent Enrichment

  10 Tips for a Happier, Healthier Rodent       Social interaction  It has been proven that animals in general do better in groups. Several female or young litter mates housed together will do very well. Ensure the cage is large enough to house your species, and avoid overcrowding or male groups to prevent fighting, injuries, and … Read More

Meet Justin Jarovi, a PhD candidate from Kaori Takehara-Nishiuchi’s lab

Meet Justin Jarovi, a PhD candidate from Kaori Takehara-Nishiuchi’s lab!    Justin’s research focuses on how a particular brain region, the medial prefrontal cortex (mPFC)  contributes to learning associations between stimuli and how it can use past learning to aid in creating adaptive responses to new situations. He aims to use the activity of single neurons in real-time … Read More

Animals in Space

The first living creatures to go into orbit and return safely were 40 mice, two rats, a rabbit, some fruit flies, plants, and 2 dogs. 

Save the Date

Animal Use Protocol (AUP) submission deadlines:  Tuesday April 6th  Tuesday May 4th  Tuesday June 1st  Upcoming BSF talks – times, speaker, and online meeting links will be sent out via the BSF listserv 

Recent Publications

JANUARY 2022 David Lovejoy’s, Marius Locke’s, and Leslie Buck’s Labs  Regulation of skeletal muscle metabolism and contraction performance via teneurin-latrophilin action   Reid AL, Hogg DW, Dodsworth TL, Chen Y, Reid RM, Xu M, Husic M, Biga PR, Slee A, Buck LB, Barsyte-Lovejoy D, Locke M & Lovejoy DA (2021) Plos One. Doi: 10.1101/2021.10.25.465698. Early online publication.   John Peever’s Lab  Review: Brain … Read More

SOP Refresher

OCTOBER 2021 Two SOPs that have been updated recently.   8.1.0 Management of Animal Health Concerns  Ethics in Animal Research & Teaching: Repository of SOPs, Guidelines, and Forms – 8.1.0 Management of Animal Health Concerns (June 2021).pdf – All by DocType (  Harmonizes processes across sites for reporting animal health concerns and providing/documenting treatments.  9.6.0 Anesthesia … Read More

Aquatic Life Support Systems

Aquatic Life Support Systems  A life support system refers to the physical structure used to contain water and house animals, as well at any ancillary equipment used to move and/or treat water. The type of life support system should be appropriate for the intended use. The selection and/or design of a life support system should … Read More

What’s New – April 2021

Per Diems & Service Fees  As a service unit, the BSF is obligated to recover costs associated with the procurement, husbandry and care of animals used for research at U of T.   A proposed new BSF fee structure was discussed in 2019. It was based on the NIH Cost Analysis and Rate Setting Manual for … Read More