Table 2.

Bacteria isolated from middle ears of Ts65Dn and control mice

Mouse genotype	Number of samples	Mean colonies per plate	Bacterial isolate identification
Ts65Dn	2	100 25	Bordetella avium Coagulase-negative Staph.
	2	175 50	Bordetella avium Burkholderia cepacia
Euploid	3	25 50	Klebsiella oxytoca Streptococcus viridans group
	1	100	Bordetella avium