EXHIBIT 12

MERIDIAN BIOSCIENCE, INC.
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND FIXED CHARGES
(AMOUNTS IN 000’S)

     The following table sets forth our ratio of earnings to fixed charges for the periods indicated.

Year Ended September 30,
	2008		2007		2006		2005		2004
EBIT		45,992		36,682		28,066		19,705		13,493
Fixed charges (interest)		—		38		128		770		1,557
EBIT before fixed charges		45,992		36,720		28,194		20,475		15,050
Fixed-charge coverage ratio		N/A		966		220		27		10