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Meat from grass-fed cattle has higher levels of conjugated linoleic acid (CLA) and the omega-3 fatty acids, ALA, EPA, and DHA. [29] A study showed that tissue lipids of North American and African ruminants were similar to pasture-fed cattle, but dissimilar to grain-fed cattle.
Livestock in the United States produce 230,000 pounds of manure per second, and nitrogen from these wastes is converted into ammonia and nitrates which leach into ground and surface water causing contamination of wells, rivers and streams. Mature compost of plant-based origins, used in animal-free agriculture, can reduce leaching of nitrate ...
N. National Agri-Marketing Association; National Agricultural Center and Hall of Fame; National Association of County Agricultural Agents; National Association of State Departments of Agriculture
Some irrigated livestock feed production is not hydrologically sustainable in the long run because of aquifer depletion. Rainfed agriculture, which cannot deplete its water source, produces much of the livestock feed in North America. Corn (maize) is of particular interest, accounting for about 91.8% of the grain fed to US livestock and poultry ...
Wood pasture, one of the oldest land-use practices in human history, [22] is a historical European land management system in which open woodland provided shelter and forage for grazing animals, particularly sheep and cattle, as well as woodland products such as timber for construction and fuel, coppiced stems for wattle and charcoal making and ...
Elk farming has been an industry in the province of Alberta for decades, with a peak of 600 elk farms in the industry's heyday; in 2022, only 134 remained. [1] The Canadian Food Inspection Agency has strictly regulated elk farming due to concerns about chronic wasting disease (CWD), a prion disease that affects elk and other members in the deer family.
Smithfield Foods hog CAFO, Unionville, Missouri, 2013. In animal husbandry, a concentrated animal feeding operation (CAFO), as defined by the United States Department of Agriculture (USDA), is an intensive animal feeding operation (AFO) in which over 1,000 animal units are confined for over 45 days a year.
The origins of what we know today as ranching in North America date back to the 16th century when the Spaniards introduced cattle and horses to Mexico. Livestock raising had diverged in Mexico from what it had been in Spain due to an over abundance of land and, because of the rapid multiplication of livestock, an over abundance of cattle and ...