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Dairy cattle grazing in Germany. In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to free range (roam around) and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and other forages into meat, milk, wool and other animal products, often on land that is unsuitable for arable farming.
Despite this, all agricultural practices have been found to have a variety of effects on the environment to some extent. Animal agriculture, in particular meat production, can cause pollution, greenhouse gas emissions, biodiversity loss, disease, and significant consumption of land, food, and water.
A catt of the Bakhtiari people, Chaharmahal and Bakhtiari Province, Iran Global map of pastoralism, its origins and historical development [1]. Pastoralism is a form of animal husbandry where domesticated animals (known as "livestock") are released onto large vegetated outdoor lands for grazing, historically by nomadic people who moved around with their herds. [2]
Grazing pressure is the demand for feed from herbivores and detritivores within an environment compared to the amount available for consumption. This could come from domestic animals, such as goats and cattle; feral animals, such as rabbits; and wild animals, such as insects, rodents, kangaroos, water buffalo, or moose. Even some microbes are ...
The program should have a clear statement of the kind of animal, timing and rate of grazing necessary to suppress troublesome plants and maintain a healthy landscape. The grazing application should 1) cause significant damage to the target plants 2) limit damage to desired vegetation and 3) be integrated with other control strategies.
By comparison, with managed grazing, the animals are able to live in a more natural environment. The animals experience less disease and fewer foot ailments, depending on the rotational system being used. Managed rotational grazing is a key component of a regenerative agriculture system, as it functions as a constant feedback loop. [7]
At the same time, livestock produces the majority of greenhouse gas emissions from agriculture and demands around 30% of agricultural fresh water needs, while only supplying 18% of the global calorie intake. Animal-derived food plays a larger role in meeting human protein needs, yet is still a minority of supply at 39%, with crops providing the ...
Degrading land, emissions from animal agriculture and reducing the biomass in a ecosystem contribute directly to climate change [2] between grazing events. Successful planned grazing strategies have been in support of the American bison of the Great Plains, [3] [4] or migratory wildebeest of the African savannas, [5] or by holistic planned ...