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Exploring a World without Food Animals
Sunday, 2017/11/26 | 07:01:26

What would happen if U.S. farmers stopped producing animals for food and Americans went vegan? Some have called for a move in that direction to address increasing concerns about U.S. health, eating habits, and climate change. Researchers at USDA's Agricultural Research Service (ARS) and Virginia Tech recently explored those questions and found surprising results.

 

Mary Beth Hall, an ARS animal scientist at the U.S. Dairy Forage Research Center in Madison, Wisconsin, and Robin R. White, a professor of Animal and Poultry Science at Virginia Tech in Blacksburg, VA, found that shifting land usage from food animal production to food crop production would increase the total U.S. food supply by 23 percent. Because much of that land is unsuitable for high value crops, most of the additional food produced would include high-calorie crops like corn and soybeans.

 

A complete shift away from food animal production would present major challenges to meeting America's nutritional needs. With no meat, milk, eggs, fish, or cheese in our diets, the U.S. population would not receive enough of several different essential dietary nutrients from the foods they eat, according to the study results. The findings are based on information compiled in the USDA dietary guidelines.

 

"Different types of carefully balanced diets — vegan, vegetarian, omnivore — can meet a person's needs and keep them healthy, but this study examined balancing the needs of the entire nation with the foods we could produce from plants alone. There's a difference between what's possible when feeding one person versus feeding everyone in the U.S.," says Hall.

 

Eliminating food animals would increase deficiencies in calcium, vitamins A and B12 and some important fatty acids. The last are important as they help to reduce cardiovascular disease and improve cognitive function and vision in infants. Animal food products are the only available, non-supplemental sources of some fatty acids and vitamin B12.

 

A plant-only diet also would require individuals to eat more food and more daily calories to meet their nutritional needs from the foods they eat because the available foods from plants are not as nutrient dense as foods from animals.

 

Read more at: https://www.ars.usda.gov/news-events/news/research-news/2017/exploring-a-world-without-food-animals/
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