Tnuva , Israel's largest dairy producer, and Yoplait of France, the world's third largest dairy concern, are postponing the implementation of their agreement to exchange know-how in production technologies. Sources at Tnuva were non-committal regarding "any further developments in respect to when the negotiations to finalise the deal will be resumed." The negotiations between Tnuva and Yoplait started some two years ago. When the news about the anticipated cooperation between the two companies was published some four months ago (