The 590a Densimeter may be upgraded to measure both sperm concentrations and foal IgG levels. Once loaded, the operator may choose between sperm concentration and foal IgG measurements by simply selecting the desired operation. Current 590a owners may purchase the 590a Densimeter Foal IgG Upgrade which includes the IgG calibration CD, users guide, and handy Foal IgG poster.
A Foal IgG Test Supply Kit is required and purchased separately. Each kit provides enough supplies to test 10 foals.
| Quantity | Description | Part Number |
| 1 | Foal IgG Test Supply Kit | IGG-101-KIT |
| 1 | Foal IgG Calibration CD | 537-135-0107 |
| 1 | Disposable Pipettor Tips (Racked) | 591A-135-21 |
| 1 | Foal IgG Poster | IGG-101-POST |