They then fed some rats on GM corn, fed others Roundup itself in the water and a small number were fed on non GM corn and fresh water.
These guidelines set out proposed separation distances between GM and non-GM crops.
Some evidence has emerged suggesting this could happen, though a breakthrough announced this month by a group of Canadian scientists may overcome the problem: they have developed a sort of agricultural contraceptive, in which GM plants that pollinate their non-GM relatives produce only sterile offspring.
The report, The Use of Genetically Modified Animals, did acknowledge the potential risk from GM animals escaping into the environment and breeding with non-GM animals.
Mr Meacher said the so-called rigorous testing of GM products only amounted to considering whether a crop was similar in composition to a non-GM crop.
An EU ruling says foods labelled non-GM can contain up to 1% of GM ingredients.
In February EDS took the aggressive step of suing its largest non-GM customer, Xerox Corp.
But this may change if present trends continue and it gets harder to find non-GM sources for such ingredients as soya oil and maize syrup.
Also, after holding the line on profit-sapping discounts through much of 2010, GM increased incentive spending in December, and even more sharply so in January and February, in a bid to reward loyalty of existing customers and to woo non-GM customers.
Idzik told NBC's Pro Football Talk on Friday that Revis "reacted well" to the phone call, which came after the GM, owner Woody Johnson and coach Rex Ryan were non-committal about the cornerback's future with the team.
Of course, eventually GM President and Chief Executive Rick Wagoner would have to consider non-labor issues such as dividends to shareholders and debt payment to creditors.
"What's interesting about the GM issue is that it has been controversial in some places, but is a non-issue for most consumers, " he said.
CNN: In-vitro meat: Would lab-burgers be better for us and the planet?
应用推荐