EXHIBIT 24.2

POWER OF ATTORNEY APPOINTING

RICHARD R. CURRENT AND JAMES L. HERBERT

Power of Attorney

Each of the undersigned, in his capacity as a director, officer, or both, of Neogen Corporation, appoints James L. Herbert and Richard R. Current, or either of them, to be his true and lawful attorney to execute in his name, place and stead, a Report on Form 10-K for the year ended May 31, 2006 and to file the same with any exhibits or amendments thereto and other documents in connection therewith, with the Securities and Exchange Commission. James L. Herbert and Richard R. Current shall have full power and authority to do and perform in the name and on the behalf of each of the undersigned, in any capacity, every act required or necessary to be done as fully as each of the undersigned might or could do in person.

Date: 8/14/06	/s/ James L. Herbert
	James L. Herbert, Chairman of the Board of Directors & Chief Executive Officer, (Principal Executive Officer)
Date: 8/14/06	/s/ Richard R. Current
	Richard R. Current, Vice President & Chief Financial Officer, (Principal Financial and Accounting Officer)
Date: 8/14/06	/s/ Lon M. Bohannon
	Lon M. Bohannon, President & Chief Operating Officer
Date: 8/07/06	/s/ Robert M. Book
	Robert M. Book, Director
Date: 8/07/06	/s/ Gordon E. Guyer
	Gordon E. Guyer, Director
Date: 8/04/06	/s/ Leonard E. Heller
	Leonard E. Heller, Director
Date: 8/07/06	/s/ G. Bruce Papesh
	G. Bruce Papesh, Director
Date: 8/04/06	/s/ Jack C. Parnell
	Jack C. Parnell, Director
Date: 8/07/06	/s/ Thomas H. Reed
	Thomas H. Reed, Director