NEWARK, Del.--(BUSINESS WIRE)--Strategic Diagnostics Inc. (Nasdaq:SDIX) - a leading provider of biotechnology-based detection solutions for a broad range of food, water, agricultural, industrial, environmental and scientific applications, expects to release its first quarter 2009 results at approximately 4 p.m. ET on Thursday, April 30, 2009. The Company has scheduled an investor conference call for 4:30 p.m. ET on the same day.