FRAMINGHAM, Mass.--(BUSINESS WIRE)--April 28, 2006--GTC Biotherapeutics, Inc. (“GTC”, Nasdaq: GTCB) reported today its financial results for the first quarter ended April 2, 2006. The total net loss for the quarter was $8.5 million, or $0.14 per share, compared with $8.0 million, or $0.18 per share, in the first quarter of 2005.