If you’re using xChek® 3.3 software, or earlier, you can add any of the following user-defined assays (UDA) 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:

Ruminant

Viral

Bluetongue Competitive ELISA (70/80 cutoff)
All samples

Bovine Leukosis Blocking ELISA
Serum

Bovine Leukosis Screening ELISA
Milk
Serum

Bovine Leukosis Verification ELISA
Milk
Serum

BVDV Ag ELISA Test Kit—Available only through IDEXX U.S.
Serum and ear-notch—overnight protocol
Serum and ear-notch

BVDV Ag/Serum Plus (ear-notch)—Available only through IDEXX Europe
All samples

BVDV/MD/BD—P80 ELISA
Milk samples
Individual samples
Pooled samples

BVDV PI X2
Serum/small ear-notch samples
Large ear-notch samples

FMD-3ABC Bo-Ov Enzyme Immunoassay (EIA) Kit
All samples

IBR Serum Screening ELISA
All samples

IBR Serum Verification ELISA
All samples

Leucose (BLV) Serum Antibody Test Kit
Individual samples
Pooled samples

Maedi-Visna/CAEV Serum Screening ELISA
All samples

Maedi-Visna/CAEV Serum Verification ELISA
All samples

Maedi-Visna Virus—Screening Antibody Test Kit
All samples

Trachitest Serum—Screening Enzyme Immunoassay (EIA) Kit
Individual samples
Pooled samples

Reproduction

Bovine Pregnancy Test
Serum and EDTA plasma samples

Milk Pregnancy Test
Milk

Bacterial

Bovine Brucellosis Milk Screening ELISA
Milk

Brucella ovis—Antibody Test Kit
All samples

Brucellose—Milk Enzyme Immunoassay (EIA) Kit
Individual/small pools—overnight protocol
Indivudual/small pools—short protocol
Large pools—overnight protocol

Brucellose—Serum Enzyme Immunoassay (EIA) Kit
Individual samples
Pooled samples

Brucellosis—Serum Screening ELISA Kit
Individual samples
Pooled samples

Chlamydia—Serum Enzyme Immunoassay (EIA) Kit
All samples

Mycobacterium bovis Antibody Test Kit—Available only through IDEXX Europe
All samples

Mycobacterium paratuberculosis Antibody Test Kit—Available only through IDEXX U.S.
Serum/plasma

Paratuberculosis Antibody Screen ELISA—Available only through IDEXX Europe
Milk
Serum/plasma

Paratuberculosis Antibody Verification ELISA—Available only through IDEXX Europe
Milk
Serum/plasma

Parasitic

Bovine Fascioliasis Verification Test Kit
All samples

Hypodermosis Screening ELISA
Milk
Serum

Neospora Enzyme Immunoassay (EIA) Kit
All samples

Q Fever—Antibody Test Kit
All samples

Toxoplama gondii—Antibody Test Kit
All samples

Prion

Bovine Spongiform Encephalopathy (BSE) Antigen Test
All samples

Bovine Spongiform Encephalopathy-Scrapie Antigen Test Kit (EIA)
All samples

Chronic Wasting Disease (CWD) Antigen Test
All samples

Swine

Viral

Influenza A Virus Antibody Test
All samples

Classical Swine Fever Virus (CSF-Sero) Antibody Test Kit
All samples

Classical Swine Fever Virus (CSFV)
All samples

PRRS Oral Fluids Ab Test
All samples

PRRS X3 Test
All samples

PRVgB Antibody ELISA
Filter-paper-protocol
Filter-paper protocol—percent blocking
Overnight protocol
Overnight protocol—percent blocking
Short protocol
Short protocol—percent blocking

Swine Influenza Virus (H3N2) Antibody Test Kit
All samples

IDEXX Influenza Virus Antibody Test
All samples

Bacterial

Swine Salmonella ELISA
All samples

APP ApxIV Ab Test
All samples

Parasitic

Trichinella Serum/Meat Juice Screening ELISA
Swine/horses
Wildboar

Poultry

Viral

Avian Influenza Virus Antibody Test Kit ELISA (MultiS-Screen)
All samples

Avian Pneumovirus (APV) Antibody ELISA
All samples

Influenza A Virus Antibody Test (Avian Species)
All samples

Windows troubleshooting

If you are having trouble adding a user-defined assay to xChek software and are using Microsoft Windows Vista or Microsoft Windows 7, please read and follow the directions below.

Adding user-defined assays for Microsoft Windows® Vista®/Windows® 7 users

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.

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

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

Shortcuts

xChekPlus Resources

Assays

Poultry

Ruminant

Swine

Installation instructions

Language plug-ins

Readers

Webinars and training snippets

Pregnancy

Export functionality

Baselines

Addendum to the xChekPlus user manual

Resources for xChek version 3.3

Viral

Reproduction

Bacterial

Parasitic

Prion

Viral

Bacterial

Parasitic

Viral

If you are having trouble adding a user-defined assay to xChek software and are using Microsoft Windows Vista or Microsoft Windows 7, please read and follow the directions below.

Adding user-defined assays for Microsoft Windows® Vista®/Windows® 7 users