UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                   FORM 12b-25

                           NOTIFICATION OF LATE FILING
        (Check One): Form 10-K Form 20-F Form 11-K Form 10-Q Form N-SAR

For Period Ended: June 30, 2004
[  ] Transition Report on Form 10-K
[  ] Transition Report on Form 20-F
[  ] Transition Report on Form 11-K
[x ] Transition Report on Form 10-Q
[  ] Transition Report on Form N-SAR
For the Transition Period Ended: ___________________

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Read Instruction (on back page) Before Preparing Form. Please Print or Type.
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Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.
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If the notification relates to a portion of the filing checked above, identify
the item(s) to which the notification relates:
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                                     PART I
                             REGISTRANT INFORMATION

Full Name of Registrant:  The CattleSale Company

Former Name if Applicable:  Dynacore Holdings Corporation

Address of Principal Executive Office:  9901 IH 10 West, Suite 800
                                        --------------------------

City, State and Zip Code:  San Antonio, Texas 78230-2292



                                     PART II
                             RULES 12b-25(b) and (c)

     If the subject  report could not be filed  without  unreasonable  effort or
expense  and  the  registrant  seeks  relief  pursuant  to Rule  12b-25(b),  the
following should be completed. (Check box if appropriate)

[X] (a)  The reasons  described in reasonable  detail in Part III of this form
         could not be eliminated without unreasonable effort or expense;

[X} (b) The subject annual report, semi-annual report, transition report on
        Form 10-K, Form 20-F,11-K or Form N-SAR, or portion thereof, will be
        filed on or before the  fifteenth  calendar day following  the
        prescribed  due date; or the subject  quarterly report of transition
        report on Form 10-Q, or portion thereof will be filed on or before the
        fifth  calendar day following the  prescribed due date;

    (c) The  accountant's  statement or other exhibit
        required by Rule 12b-25(c) has been attached if applicable.

                                    PART III
                                    NARRATIVE

     State below in  reasonable  detail the reasons why Form 10-K,  11-K,  20-F,
10-Q, N-SAR, or the transition report portion thereof, could not be filed within
the prescribed time period. (Attach extra sheets if needed)

     On June 7, 2004 the Company  completed an  acquisition  as described in the
Company's  Form  10-QSB  for the period  ended  March 31,  2004.  As a result of
transitional  issues of the company acquired,  the Company is unable to file its
Form  10-QSB for the  quarter  ended June 30,  2004 by August 16,  2004  without
incurring unreasonable expense. The Company does intend to file the report on or
before August 19, 2004.
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                                     PART IV
                                OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
notification

 Phillip P. Krumb            (210)                        558-2898
 ----------------            -----                        --------
    (Name)                (Area Code)               (Telephone Number)

     (2) Have all other periodic  reports  required under Section 13 or 15(d) of
the Securities  Exchange Act of 1934 or Section 30 of the Investment Company Act
of 1940  during the  preceding  12 months or for such  shorter  period  that the
Registrant  was  required to file such  report(s)  been filed?  If answer is no,
identify report(s).  Yes    No
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     (3) Is it anticipated that any significant  change in results of operations
from the corresponding  period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof? Yes
No

     If so, attach an explanation of the anticipated  change,  both  narratively
and  quantitatively,  and, if  appropriate,  state the reasons why a  reasonable
estimate of the results cannot be made.

                             The CattleSale Company
                  (Name of Registrant as Specified in Charter)

     Has caused this  notification to be signed on its behalf by the undersigned
hereunto duly authorized.

Date August 16, 2004       By  /s/ Phillip P. Krumb
     ---------------          ---------------------
                                   Phillip P. Krumb
                                   Chief Financial Officer, Vice President


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