Exhibit 32(a)

                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER

Pursuant to Section 906 of the  Sarbanes-Oxley  Act 2002 (18 U.S.C.  1350),  the
undersigned,  Terry W. Shaver,  Chief  Executive  Officer,  of Abatix Corp. (the
"Company") have executed this  certification  in connection with the filing with
the Securities and Exchange Commission of the Company's Quarterly Report on Form
10-Q for the quarter ended September 30, 2004 (the "Report").

The   undersigned   certify  that:  (1)  the  Report  fully  complies  with  the
requirements  of Section 13(a) or 15(d) of the Securities  Exchange Act of 1934;
and (2) the information contained in the Report fairly presents, in all material
respects, the financial condition and results of operation of the Company.

                                  /s/ Terry W. Shaver
                                  --------------------------------------------
                                  Name: Terry W. Shaver
                                  Title: President and Chief Executive Officer
                                  November 11, 2004