SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                          (Amendment No.___________)*


                             Pharma-Bio Serv, Inc.
              -----------------------------------------------------
                                (Name of Issuer)

                         Common Stock, $.0001 par value
          -------------------------------------------------------------
                         (Title of Class of Securities)

                               0001304161
              -----------------------------------------------------
                                 (CUSIP Number)

                             May 8, 2006
              ----------------------------------------------------
                             (Date of Event)




Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[  ] Rule 13d-1(b)

[XX] Rule 13d-1(c)

[  ] Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



                              Page 1 of 5 pages





CUSIP No. 0001304161             13G                    Page 2 of 5 Pages



--------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Krovim LLC


--------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]


--------------------------------------------------------------------------------
   3   SEC USE ONLY




--------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


         United States

--------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            1,200,000
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH
  REPORTING       --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             1,200,000
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER

--------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


                       1,200,000
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*



--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


                       6.22%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


                      PN
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<


CUSIP No. 0001304161              13G                    Page 3 of 5 Pages



--------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       LDP Family Partnership, LP


--------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]


--------------------------------------------------------------------------------
   3   SEC USE ONLY




--------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION


         United States

--------------------------------------------------------------------------------
   NUMBER OF      5    SOLE VOTING POWER
     SHARES            1,158,839
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6    SHARED VOTING POWER
      EACH
  REPORTING       --------------------------------------------------------------
     PERSON       7    SOLE DISPOSITIVE POWER
      WITH             1,158,839
                  --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER


--------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


                       1,358,839
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*



--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


                       6.19%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*


                      PN
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<



                                                        Page 4 of 5 pages
Item 1.
         (a)   Name of Issuer:
               Pharma-Bio Serv, Inc.

         (b)   Address of Issuer's Principal Executive Offices:

               373 Medez Vigo, Suite 110
               Dorado, Puerto Rico 00646

Item 2.
         (a)   Name of Person Filing:

               This   statement   is  filed  on  behalf  of  Krovim LLC,
               ("Krovim")  and  LDP  Family   Partnership,   LP  ("LDP")  (the
               "Reporting Parties").

         (b)   Address of Principal Business Office or, if None, Residence:

               The Reporting Parties business address is P.O. Box 339,
               Lawrence, New York, NY  11559.

         (c)   Citizen:

               Krovim  is  incorporated  in the State of  Delaware.  LDP is
               incorporated in the State of Colorado.

         (d)   Title of Class of Securities:
               Common Stock, $.0001 par value ("shares").

         (e)   CUSIP#:
               0001304161

Item 3.     If this statement  is filed  pursuant to Rules  13d-1(b), or
            13d-2(b), check whether the person filing is a:

            (a)   [ ]   Broker or Dealer  registered under Section  15 of  the
                        Act

            (b)   [ ]   Bank as defined in section 3(a)(6) of the Act

            (c)   [ ]   Insurance Company  as defined  in section  3(a)(19) of
                        the Act

            (d)   [ ]   Investment Company registered under  section 8 of  the
                        Investment Company Act

            (e)   [ ]   Investment Adviser registered under section 203 of the
                        Investment Advisers Act of 1940

            (f)   [ ]   Employee Benefit Plan,  Pension Fund which is  subject
                        to the  provisions of  the Employee Retirement  Income
                        Security Act of  1974 or Endowment  Fund; see  Section
                        240.13d-1(b)(1)(ii)(F)

            (g)   [ ]   Parent  Holding  Company, in  accordance  with Section
                        240.13d-1(b)(1)(ii)(G)

            (h)   [ ]   Group,   in   accordance    with   Section    240.13d-
                        1(b)(1)(ii)(H)

            (i)   [ ]   A church plan that is excluded from definition of an
                        investment company under section 3(c) (14) of the
                        Investment Company Act of 1940.

Item 4.   Ownership:

   (a)(b) As of  May 8,  2006,  Krovim  may  be  deemed  to  beneficially  own
          1,200,000  shares or 6.22%  consisting  of (i)  240,000  shares  owned
          directly by Krovim and (ii)  warrants to purchase  960,000 shares.
          LDP may be  deemed  to  beneficially  own  1,158,839  shares  or 6.19%
          consisting of (i)  772,791  shares owned by LDP and (ii) warrants to
          purchase 386,048 shares held by LDP.

     (c)  Laya Perlysky and Dov Perlysky are husband and wife.  Laya Perlysky is
          the general partner of LDP Family Partnership,  LP and has sole voting
          and  dispositive  control  over shares owned by LDP. Dov Perlysky is a
          managing  member of an LLC,  which is the  manager of Krovim,  and has
          sole voting and  dispositive  control of shares  owned by Krovim.  See
          Exhibit  A which is an  agreement  to file  this  statement  on 13g on
          behalf of each of them.


          __________________________________________________

(1)  Laya and Dov Perlysky  each disclaim  ownership of the shares  beneficially
     owned by the other
 

                                                       Page 5 of 5 pages
Item 5.   Ownership of Five Percent of class.

            Not applicable.

Item 6.     Ownership of More Than Five Percent on Behalf of Another Person.

            Not applicable.


Item 7.     Identification and Classification of the Subsidiary which Acquired
            the Security Being Reported on By the Parent Holding Company.

            Not applicable.

Item 8.     Identification and Classification of Members of the Group.

            Not applicable.

Item 9.     Notice of Dissolution of Group.

            Not applicable.



Item 10.    Certification:
            By signing  below i certify that to the best of my knowledge
            and belief, the securities  referred to above were acquired in
            the ordinary  course of business and were not acquired for the
            purpose  of  and  do  not  have  the  effect  of  changing  or
            influencing  the control of the issuer of such  securities and
            were not acquired in connection  with or as participant in any
            transaction having such purpose of effect.



                                   SIGNATURE

         After  reasonable  inquiry and to the best  knowledge and belief of the
Reporting Person, such person or entity certifies that the information set
forth in this statement is true, complete and correct.




                                                Krovim, LLC
                                             by Nesher, LLC


                                             /s/ Dov Perlysky
Dated:   May 8, 2006                 By:_________________________________
         New York, New York                      Dov Perlysky
                                                 Member




Dated:   May 8, 2006                    LDP Family Partnership, LP
         New York, New York
                                           /s/ Laya Perlysky
                                     By:_________________________________
                                               Laya Perlysky
                                               General Partner