The Gamma Check E test is
designed to be a rapid screening test for foals, using whole blood or serum. It
was developed as a semi-quantitative means of measuring the foal’s IgG level.
This test offers results within 5 minutes and can be done “mare side”. No
special equipment is needed and the test can be run as early as 8 hours
post-foaling allowing time for oral colostrum supplementation. A positive
result indicates that the IgG level is greater or equal to 800 mg/dl.
CAUTION: False positive results are occasionally seen when samples are haemolysed or when a foal has a high fibrinogen level. If the foal is not healthy, we do not recommend using the test. As false negatives do occasionally occur, we do not recommend transfusing a foal with plasma based only on the results of the Gamma Check E test. If the foal tests negative, we suggest repeating the test using the Foal RID test for quantitative results.