Exhibit 32.2


                            CERTIFICATION PURSUANT TO
                 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Life Sciences Research, Inc. (LSR) on
Form 10-Q for the period ended June 30, 2006, as filed with the  Securities  and
Exchange  Commission on the date hereof (the "Report"),  I, Richard  Michaelson,
Chief Financial Officer of LSR, certify,  pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)  The Report fully complies with the  requirements  of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934, as amended; and

(2)  The information  contained in the Report fairly  presents,  in all material
     respects, the financial condition and results of operations of LSR.


Date:    August 8, 2006                       /s/ Richard Michaelson
                                              ------------------------------

                                              Richard Michaelson
                                              Chief Financial Officer
                                              (Principal Financial Officer)