Table 3.

Characteristics of phenotyping units

	Features common to most facilities	Facilities with unique features
Building specifics	Holding rooms in combination with procedure rooms for phenotyping	GMC	Doublet of holding and procedure rooms for phenotyping
		ICS	Different holding rooms for different tests
	HZI	BSL2 and BSL3 units for experimental infections
		MLC, JAX–PHENO 1	Large holding room in combination with several procedure rooms
Interface between holding and phenotyping	Mice return to holding rooms after phenotyping	IRC, JAX–PHENO 2	Mice do not return after phenotyping
Import for mice for phenotyping	Rederivation	GMC	Import with accepted health status
ICS, IRC	Import with accepted health status; retesting
		HZI	Rederivation and import of mice from commercial breeders
		BRC	Import via quarantine
Hygiene	Barrier	IRC, JAX–PHENO 2	No barrier
		TCP	Barrier and units outside barrier
Phenotyping assays	Phenotyping ‘pipelines’	HZI, IRC, BRC	No phenotyping pipelines
		ICS, JAX	Standard and custom phenotyping pipelines
Service	Centrally offered	HZI, RSF, BRC	No services
		IRC	Limited by capacity
		GMC, MLC	Based on scientific collaboration