xChekPlus® Software

Managing flock and herd health information is easier than ever.


xChekPlus® software is your comprehensive, user-friendly tool for reading and interpreting ELISA results and for analysing, reporting and managing health data. Offering improved functionality and new features, xChekPlus is the new version of xChek® data management software, which has been widely used in private, public and government sectors. On a daily basis, veterinarians, laboratory personnel, production managers, farmers and field service employees around the world use this software to monitor the health of livestock and poultry.


xChekPlus Software

Learn more about xChekPlus:


Request your copy today.

A powerful data-management tool


IDEXX xChekPlus® software comes preloaded with the complete portfolio of IDEXX assays. When you have xChekPlus, you’re ready to test.


Advanced features make testing and reporting easier:

  • Flexible, plug-in architecture: Quickly install new assays, reports, readers and languages as they become available.
  • Multilanguage support: Use xChekPlus in the language you prefer, including right-to-left languages; select your preferred date format.
  • Movable controls: Place test controls and internal controls wherever you need them. 
  • Improved reports: Updated Johne’s Management report; new Bovine Pregnancy and Internal-Control Tracking reports.
  • Better data export: Export data from specific fields; schedule exports for designated times.
  • Convenient case entry: Enter case information while you create a template.
  • Support for additional readers.
  • Easy upgrade from xChek® 3.3.

xChekPlus® Software system requirements


Minimum desktop or laptop requirements for using xChekPlus® software:

  • Microsoft Windows 7, 8 or 10 operating systems
  • 2-GB RAM
  • Microsoft® Office 2007 Suite (including Access®, Excel® and Word). For assistance with other versions of Office, please contact your local IDEXX representative.
  • 500-MB hard-disk space
  • Internet connection
  • VGA (or compatible) monitor
  • Microsoft Windows-compatible printer
  • xChekPlus is compatible with both 32- and 64- bit systems.

Request xChekPlus® Software

Reference Materials (U.S.)


Submit your request for xChekPlus software, or call 41-431-970-6260 for more information.


xChekPlus Quick Guide

xChekPlus Information Sheet


User-Defined Assays for xChek® 3.3


If you’re using xChek® 3.3 software, or earlier, you can add any of the following assays to your software. Just open the assay file and follow the instructions to create the assay in xChek 3.3.

Note: These assay files are not compatible with xChekPlus software. xChekPlus comes complete with all current IDEXX assays.


Select from the xChek User-Defined Assays below:





Bluetongue Competitive ELISA (70/80 cutoff)
Bovine Leukosis Blocking ELISA
Bovine Leukosis Screening ELISA
Bovine Leukosis Verification ELISA
BVDV Ag ELISA Test Kit—Available only through IDEXX U.S.
BVDV Ag/Serum Plus (ear-notch)—Available only through IDEXX Europe
Caprine Arthritis & Encephalitis Virus—Screening Antibody Test Kit
FMD-3ABC Bo-Ov Enzyme Immunoassay (EIA) Kit
IBR Serum Screening ELISA
IBR Serum Verification ELISA
Leucose (BLV) Serum Antibody Test Kit
Maedi-Visna/CAEV Serum Screening ELISA
Maedi-Visna/CAEV Serum Verification ELISA
Maedi-Visna Virus—Screening Antibody Test Kit
Trachitest Serum—Screening Enzyme Immunoassay (EIA) Kit



Bovine Brucellosis Milk Screening ELISA
Brucella ovis—Antibody Test Kit
Brucellose—Milk Enzyme Immunoassay (EIA) Kit
Brucellose—Serum Enzyme Immunoassay (EIA) Kit
Brucellosis—Serum Screening ELISA Kit
Chlamydia—Serum Enzyme Immunoassay (EIA) Kit
Mycobacterium bovis Antibody Test Kit - Available only through IDEXX Europe
Mycobacterium paratuberculosis Antibody Test Kit - Available only through IDEXX U.S.
Paratuberculosis Antibody Screen ELISA—Available only through IDEXX Europe
Paratuberculosis Antibody Verification ELISA—Available only through IDEXX Europe



Bovine Fascioliasis Verification Test Kit
Hypodermosis Screening ELISA
Neospora Enzyme Immunoassay (EIA) Kit
Q Fever—Antibody Test Kit
Toxoplama gondii—Antibody Test Kit



Bovine Spongiform Encephalopathy (BSE) Antigen Test
Bovine Spongiform Encephalopathy-Scrapie Antigen Test Kit (EIA)
Chronic Wasting Disease (CWD) Antigen Test


Bovine Pregnancy Test





Influenza A Virus Antibody Test
Classical Swine Fever Virus (CSF-Sero) Antibody Test Kit
Classical Swine Fever Virus (CSFV)
PRRS Oral Fluids Ab Test
PRRS X3 Test
PRVgB Antibody ELISA
Swine Influenza Virus (H3N2) Antibody Test Kit



Swine Salmonella ELISA



Trichinella Serum/Meat Juice Screening ELISA




Avian Influenza Virus Antibody Test Kit ELISA (MultiS-Screen)
Avian Pneumovirus (APV) Antibody ELISA
Influenza A Virus Antibody Test (Avian Species)



Microsoft Windows® Vista®/Windows® 7 User


If you are having trouble adding a User-Defined Assay (UDA) to xChek software and are using Microsoft Windows Vista or Microsoft Windows 7, please read and follow the directions below.


Error: Microsoft Windows Vista and Windows 7—Cannot Save Changes to CWindowsxChek.ini


Cause: On the Microsoft Windows Vista and Windows 7 operating systems, the xChek.ini file is a protected file, which means that the file cannot be changed.


Resolution: Change the security setting to allow changes to the xChek.ini file.


Note: You must restart your computer at the end of this procedure.


  1. Open My Computer, and then find the xChek.ini file, located at
  2. Right-click the xchek.ini file name, and then select Properties.
  3. Click the Security tab.
  4. Click Edit.
  5. For each user name, select all the boxes in the Allow column (so that each box has a check).
  6. Click OK. A message warns you about changing the security settings.
  7. Click OK to close the warning message.
  8. Shut down all applications, and then restart your computer.

You should now able to edit and save changes to the xchek.ini file.