IRVING, Texas--(BUSINESS WIRE)--May 2, 2006--Carrington Laboratories, Inc. (NASDAQ:CARN - News), a research-based, biopharmaceutical and consumer products company, will hold its quarterly conference call to discuss first quarter results on Thursday, May 4, 2006, at 4:30 p.m. Eastern Time (3:30 p.m. Central Time). First quarter audited financial results will be released earlier the same day.