New zealand scientists breed sheep that fart and burp less. That, along with other advances in the science of gene editing, have given the U.S. a reputation as a model of environmental sustainability. But that reputation may soon be shattered.

Just before dawn on March 13, the USDA announced the agency would phase out its controversial "gold standard" for animal feed — which is a corn-based feed, produced in most of the U.S. and widely consumed worldwide.

Corn has been shown to generate up to 10 times more greenhouse gases than soybeans, the nation's second-largest crop, and to play a pivotal role in climate change. In fact, it has a greater influence on climate than tobacco and coal, a factor scientists have acknowledged is of particular concern.

Last week, it was revealed that the USDA's Animal and Plant Health Inspection Service has removed more than a half-dozen plant varieties from its list of approved animal feed because of their controversial use in animal feed manufacturing.

These include several species native to the United States and to Canada. They are widely used in animal feed such as feed corn and milk and meat.

Saying that feed corn is "contaminated" with pathogens, the USDA's new policy says that for every 100 pounds of feed fed to a cow, it should be sprayed four times. Feed corn containing the harmful chemical dioxins or formaldehyde should also be banned. It's hard to overstate the harm that this means for cow, pig, goat and chicken farmers in the United States.

And those farmers are being told they are in for a difficult but necessary battle: "While they may have been able to use natural growth hormones as feed for animals in the past, the new rules will severely limit their options for improving production efficiency and feed safety and will result in an abrupt decline in their profits in a short period of time," says a report by the Natural Resources Defense Council.

Even before the new policy was announced, the U.S. government had issued a moratorium on all corn exports until it could make its case that corn from Mexico could be fed safely and sustainably, but with a lower amount of antibiotics than conventional feed can be.

According to the U.S. Department of Agriculture, corn exports — about 25 percent of its total export market — represent approximately $25 billion in U.S. economic activity.

And the food supply for the United States is expected to shrink by nearly 8 million acres in the next 20 years, the United Nations' Food and Agriculture Organization predicted in January. 
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Dairy processor; murray goulburn; has swung from 1,500 to 1,700 units in three years.


• The chain has moved from 1,150 to 1,250 units.


• It has jumped to 11,150 units from 9,000.


• It says it will expand from 4,000 to 5,000 units in six months.


• It is selling more than 300,000 milk products this year.


• In its most recent report, Dairy Farmers of America said total sales of milk and cheese rose 6.3% to $3.8 billion this year. Total sales of dairy products grew by 14.3% to $7.8 billion.

The company said the sales of milk products will top the $2.6 billion in sales during the last three quarters of 2016 in part because people have started eating more milk. It said a majority of those who ordered in, like Kellogg's, for its Frosted Flakes cereals will eat the frozen product.

"It's kind of cool." said Wendy Pritchett, 35, of New York who ordered a dozen units on Wednesday. "A lot of people aren't so sure, but my son thinks it's really healthy. That's what everybody is telling me."

• The chain is now the third largest grocery store chain in America in its largest city of Chicago, with more than 8,000 stores.

• In August, the company unveiled its new Dunkin' Donuts Drive Thru, as well as its "Taste It, Eat It" concept. The company said the concept was inspired by the phrase, "I wanna say I hate all Dunkin' Donuts, but that's me."