EXHIBIT 23.5
                                                                   ------------


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

                            DEGOLYER AND MACNAUGHTON
                             5001 Spring Valley Road
                                 Suite 800 East
                               Dallas, Texas 75244

                                December 7, 2006

Enerplus Resources Fund
The Dome Tower, Suite 3000
333 - 7th Avenue S.W.
Calgary, Alberta
Canada T2P 2Z1

Ladies and Gentlemen:

         We  hereby  consent  to  the  incorporation  by  reference,   in  this
Registration  Statement of Enerplus  Resources Fund (the  "Registrant") on Form
S-8 (the "Registration  Statement"),  of the Annual Report of the Registrant on
Form 40-F,  dated March 7, 2006,  for the year ended  December 31, 2005,  which
document makes reference to our firm and our report entitled  "Appraisal Report
as  of  December  31,  2005  on  Certain   Properties   Owned  by  Lyco  Energy
Corporation," dated January 23, 2006,  evaluating the Registrant's oil, natural
gas and natural gas liquids interests effective December 31, 2005.


                                     Very truly yours,


                                     /s/ DeGolyer and MacNaughton
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                                     DEGOLYER AND MACNAUGHTON