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Livestock (also cattle) refers to one or more domesticated animals raised in an agricultural setting to produce commodities such as food or fiber, or labor. The term "livestock" as used in this article does not include poultry or farmed fish; however the inclusion of these, especially poultry, within the meaning of "livestock" is common.

Livestock generally are raised for subsistence or for profit. Raising animals (animal husbandry) is an important component of modern agriculture. It has been practiced in many cultures since the transition to farming from hunter-gather lifestyles.

The global livestock population (cattle and pigs) is around 65 billion.

History

Animal-rearing has its origins in the transition of cultures to settled farming communities rather than hunter-gatherer lifestyles. Animals are ‘domesticated’ when their breeding and living conditions are controlled by humans. Over time, the collective behaviour, life cycle, and physiology of livestock have changed radically. Many modern farm animals are unsuited to life in the wild. Dogs were domesticated in East Asia about 15,000 years ago, Goats and sheep were domesticated around 8000 BCE in Asia. Swine or pigs were domesticated by 7000 BCE in the Middle East and Chinamarker. The earliest evidence of horse domestication dates to around 4000 BCE

Older English sources, such as the King James Version of the Bible, refer to livestock in general as "cattle", as opposed to the word "deer", which then was used for wild animals which were not owned. The word cattle is derived from Middle English chatel, which meant all kinds of movable personal property , including of course livestock, which was differentiated from non-movable real-estate. In later English, sometimes smaller livestock was called "small cattle" in that sense of movable property on land, which was not automatically bought or sold with the land. Today, the modern meaning of "cattle", without a qualifier, usually refers to domesticated bovines (see Cattle). Other species of the genus Bos sometimes are called wild cattle.

Types

The term "livestock" is nebulous and may be defined narrowly or broadly. On a broader view, livestock refers to any breed or population of animal kept by humans for a useful, commercial purpose. This can mean domestic animals, semi-domestic animals, or captive wild animals. Semi-domesticated refers to animals which are only lightly domesticated or of disputed status. These populations may also be in the process of domestication. Some people may use the term livestock to refer just to domestic animals or even just to red meat animals.

Animal / Type Domestication Status Wild Ancestor Time of first Captivity / Domestication Area of first Captivity / Domestication Current Commercial Uses
Alpaca

Mammal, herbivore
domestic Vicuña Between 5000 BC and 4000 BC Andes wool
Bison

Mammal, herbivore
captive (see also Beefalo) N/A Late 19th Century North America meat, leather,
Camel

Mammal, herbivore
domestic Wild Dromedary and Bactrian camels Between 4000 BC and 1400 BC Asia mount, pack animal, meat, dairy
Cattle

Mammal, herbivore
domestic Aurochs (extinct) 6000 BC Southwest Asia, Indiamarker, North Africa (?) Meat (beef, veal, blood), dairy, leather, draught
Deer

Mammal, herbivore
captive N/A 1970 North America Meat (venison), leather, antlers, antler velvet
Dog

Mammal, omnivore
domestic Wolf 12000 BC pack animal, draught, hunting, herding, searching/gathering, watching/guarding, meat
Donkey

Mammal, herbivore
domestic African Wild Ass 4000 BC Egyptmarker mount, pack animal, draught, meat, dairy
Goat

Mammal, herbivore
domestic Bezoar goat 8000 BC Southwest Asia Dairy, meat, wool, leather, light draught,
Guinea pig

Mammal, herbivore
domestic Cavia tschudii 5000 BC South America Meat
Llama

Mammal, herbivore
domestic Guanaco 3500 BC Andes light mount, pack animal, draught,meat, wool
Mule

Mammal, herbivore
domestic Sterile hybrid of donkey and horse     mount, pack animal, draught
Pig

Mammal, omnivore
domestic Wild boar 7000 BC Eastern Anatolia Meat (pork, bacon, etc.), leather
Rabbit

Mammal, herbivore
domestic Wild rabbit between AD 400-900 Francemarker Meat, fur
Reindeer

Mammal, herbivore
semi-domestic reindeer 3000 BC Northern Russiamarker Meat, leather, antlers, dairy, draught,
Sheep

Mammal, herbivore
domestic Asiatic mouflon sheep Between 9000 BC-11000 BC Southwest Asia Wool, dairy, leather, meat (mutton and lamb)
Domestic Asian Water buffalo

Mammal, herbivore
domestic Wild Asian Water buffalo, (Arni) 4000 BC South Asia mount, draught, meat, dairy
Yak

Mammal, herbivore
domestic Wild yak   Tibet, Nepalmarker Meat, dairy, wool, mount, pack animal, draught
 


Animal rearing

‘Livestock’ are defined, in part, by their end purpose as the production of food or fiber, or labour.

The economic value of livestock includes:
Meat: the production of a useful form of dietary protein and energy
Dairy products
Mammalian livestock can be used as a source of milk, which can in turn easily be processed into other dairy products, such as yogurt, cheese, butter, ice cream, kefir, and kumis. Using livestock for this purpose can often yield several times the food energy of slaughtering the animal outright.
Fiber
Livestock produce a range of fiber/textiles. For example, sheep and goats produce wool and mohair; cows, deer, and sheep skins can be made into leather; and bones, hooves and horn of livestock can be used.
Fertilizer
Manure can be spread on fields to increase crop yields. This is an important reason why historically, plant and animal domestication have been intimately linked. Manure is also used to make plaster for walls and floors, and can be used as a fuel for fires. The blood and bone of animals are also used as fertilizer.
Labour
Animals such as horses, donkey, and yaks can be used for mechanical energy. Prior to steam power, livestock were the only available source of non-human labour. They are still used for this purpose in many places of the world, including ploughing fields, transporting goods, and military functions.
Land management
The grazing of livestock is sometimes used as a way to control weeds and undergrowth. For example, in areas prone to wild fires, goats and sheep are set to graze on dry scrub which removes combustible material and reduces the risk of fires.


During the history of animal husbandry, many secondary products have arisen in an attempt to increase carcass utilization and reduce waste. For example, animal offal and non-edible parts may be transformed into products such as pet food and fertilizer. In the past, such waste products were sometimes also fed to livestock as well. However, intra-species recycling poses a disease risk, threatening animal and even human health (see bovine spongiform encephalopathy (BSE), scrapie and prion). Due primarily to BSE (mad cow disease), feeding animal scraps to animals has been banned in many countries, at least in regards to ruminants and pigs.

Farming practices



Farming practices vary dramatically worldwide and between types of animals. Livestock are generally kept in an enclosure, are fed by human-provided food and are intentionally bred, but some livestock are not enclosed, or are fed by access to natural foods, or are allowed to breed freely, or any combination thereof.Livestock raising historically was part of a nomadic or pastoral form of material culture. The herding of camels and reindeer in some parts of the world remains unassociated with sedentary agriculture. The transhumance form of herding in the Sierra Nevada Mountains of Californiamarker still continues, as cattle, sheep or goats are moved from winter pasture in lower elevation valleys to spring pasture and summer pasture in the foothills and alpine regions, as the seasons progress. Cattle were raised on the open range in the Western United States and Canada, on the Pampasmarker of Argentinamarker, and other prairie and steppe regions of the world.

The enclosure of livestock in pastures and barns is a relatively new development in the history of agriculture. When cattle are enclosed, the type of ‘enclosure’ may vary from a small crate, a large fenced pasture or a paddock. The type of feed may vary from natural growing grass, to highly sophisticated processed feed. Animals are usually intentionally bred through artificial insemination or through supervised mating. Indoor production systems are generally used only for pigs and poultry, as well as for veal cattle. Indoor animals are generally farmed intensively, as large space requirements would make indoor farming unprofitable and impossible. However, indoor farming systems are controversial due to the waste they produce, odour problems, the potential for groundwater contamination and animal welfare concerns. (For further discussion on intensively farmed livestock, see factory farming, and intensive pig farming).

Other livestock are farmed outside, although the size of enclosure and level of supervision may vary. In large open ranges animals may be only occasionally inspected or yarded in "round-ups" or a muster . Working dogs such as sheep dogs and cattle dogs may be used for mustering livestock as are cowboys, stockmen and jackaroos on horses, or with vehicles and also by helicopters. Since the advent of barbed wire (in the 1870s) and electric fence technology, fencing pastures has become much more feasible and pasture management simplified. Rotation of pasturage is a modern technique for improving nutrition and health while avoiding environmental damage to the land. In some cases very large numbers of animals may be kept in indoor or outdoor feeding operations (on feedlots), where the animals' feed is processed, offsite or onsite, and stored on site then fed to the animals.

Livestock - especially cattle - may be branded to indicate ownership and age, but in modern farming identification is more likely to be indicated by means of ear tags than branding. Sheep are also frequently marked by means of ear marks and/or ear tags. As fears of mad cow disease and other epidemic illnesses mount, the use of microchip identification to monitor and trace animals in the food production system is increasingly common, and sometimes required by governmental regulations.

Modern farming techniques seek to minimize human involvement, increase yield, and improve animal health. Economics, quality and consumer safety all play a role in how animals are raised. Drug use and feed supplements (or even feed type) may be regulated, or prohibited, to ensure yield is not increased at the expense of consumer health, safety or animal welfare. Practices vary around the world, for example growth hormone use is permitted in the United Statesmarker, but not in stock to be sold to the European Union. . The improvement of health, using modern farming techniques, on the part of animals has come into question. Feeding corn to cattle, which have historically eaten grasses, is an example; where the cattle are less adapted, the rumen pH changes to more acidic, leading to liver damage and other difficulties. The F.D.A of the US still allows feedlots to feed non-ruminant animal proteins to cows. For example eating chicken manure is accepted for cattle and cattle meat and bone meal is being fed to chickens. Disease's could spread by feeding cattle animals that have been eating cattle, this was the case of mad-cow disease outbreak. The F.D.A is now looking to change it's feeding rules.

Predation

Livestock farmers had suffered from wild animal predation and theft by rustlers. In North America, gray wolf, grizzly bear, cougar, black bear, and coyote are sometimes considered a threat to livestock. In Eurasia and Africa, wolf, brown bear, leopard, tiger, lion, dhole, black bear, spotted hyena, and others caused livestock deaths. In Australia, the dingo, foxes, wedge-tailed eagles, hunting and domestic dogs (especially) cause problems for graziers because they often kill for fun. In Latin America, feral dogs cause livestock deaths in nightfall. They blame maned wolves, cougars, jaguars, and spectacled bears for livestock deaths.

Disease

Livestock diseases compromise animal welfare, reduce productivity, and, in rare cases, can infect humans. Animal diseases may be tolerated, reduced through animal husbandry, or reduced through antibiotics and vaccines. In developing countries, animal diseases are tolerated in animal husbandry, resulting in considerably reduced productivity, especially given the low health-status of many developing country herds. Disease management for gains in productivity is often the first step taken in implementing an agriculture policy.

Disease management can be achieved through changes in animal husbandry. These measures may aim to control spread using biosecurity measures, such as controlling animal mixing, controlling entry to farm lots and the use of protective clothing, and quarantining sick animals. Diseases also may be controlled by the use of vaccines and antibiotics. Antibiotics in sub-therapeutic doses may also be used as a growth-promoter, increasing growth by 10-15%. The issue of antibiotic resistance has limited the practices of preventative dosing such as antibiotic-laced feed. Countries will often require the use of veterinary certificates before transporting, selling or showing animals. Disease-free areas often rigorously enforce rules for entry of potentially diseased animals, including quarentine.

Transportation and marketing

Since many livestock are herd animals, they were historically driven to market "on the hoof" to a town or other central location. During the period after the American Civil War, the abundance of Longhorn cattle in Texasmarker, and the demand for beef in Northern markets, led to the implementation of the Old West cattle drive. The method is still used in some parts of the world. Truck transport is now common in developed countries. Local and regional livestock auctions and commodity markets facilitate trade in livestock. In other areas, livestock may be bought and sold in a bazaar, such as may be found in many parts of Central Asia, or a flea market type setting.

Stock shows and fairs are events where people bring their best livestock to compete with one another. Organizations like 4-H, Block & Bridle, and FFA encourage young people to raise livestock for show purposes. Special feeds are purchased and hours may be spent prior to the show grooming the animal to look its best. In cattle, sheep, and swine shows, the winning animals are frequently auctioned off to the highest bidder, and the funds are placed into a scholarship fund for its owner. The movie Grand Champion, released in 2004, is the story of a young Texas boy's experience raising a prize steer.

Animal welfare

The issue of raising livestock for human benefit raises the issue of the relationship between humans and animals, in terms of the status of animals and obligations of people. Animal welfare is the viewpoint that animals under human care should be treated in such a way that they do not suffer unnecessarily. What is ‘unnecessary’ suffering may vary. Generally, though, the animal welfare perspective is based on an interpretation of scientific research on farming practices. By contrast, animal rights is the viewpoint that using animals for human benefit is, by its nature, generally exploitation, regardless of the farming practices used. Animal rights activists would generally be vegan or vegetarian, whereas it is consistent with the animal welfare perspective to eat meat, depending on production processes.

Animal welfare groups generally seek to generate public discussion on livestock raising practices and secure greater regulation and scrutiny of livestock industry practices. Animal rights groups usually seek the abolition of livestock farming, although some groups may recognise the necessity of achieving more stringent regulation first. Animal welfare groups, such as the RSPCA, are often, in first world countries, given a voice at governmental level in the development of policy. Animal rights groups find it harder to find methods of input, and may go further and advocate civil disobedience or violence.

A number a animal husbandry practices, that have led to legislation in some countries, have been the subject of campaigns in the 1990s and 2000s. Confinement of livestock in small and unnatural spaces is often done for economic or health reasons. Animals may be kept in the minimum size of cage or pen with little or no space to exercise or engage in Where livestock are used as a source of power, they may be pushed beyond their limits to the point of exhaustion. The public visibility of this abuse meant it was one of the first areas to receive legislation in the nineteenth century in European countries, but it still goes on in parts of Asia. Broiler hens may be de-beaked, pigs may have deciduous teeth pulled, cattle may be de-horned and branded, dairy cows and sheep may have tails cropped, merino sheep may be mulesed, and many types of male animals are castrated. Animals may be transported long distances to market and slaughter. Overcrowded conditions, heat from tropical-area shipping and lack of food, water and rest breaks have been subject to legislation and protest. (See Live Export) Slaughter of livestock was an early target for legislation. Campaigns continue to target Halal and Kosher religious ritual slaughter.

Environmental impact

At first reports like the United Nations report "Livestock's Long Shadow" cast a pall over the livestock sector (primarily cattle, chickens, and pigs) for 'emerging as one of the top two or three most significant contributors to our most serious environmental problems.' The United Nations controversially included emissions from deforestation as part of its methodology. Rather than the 18% figure that placed on the sector as major contributor to emissions, the real figure, less deforestation is actually 12% . In April 2008, the [United States Environmental Protection Agency] released a major stocktake of emissions in the United States entitled Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2006[862175]. On 6.1 it found "In 2006, the agricultural sector was responsible for emissions of 454.1 teragrams of CO2 equivalent (Tg CO2 Eq.), or 6 percent of total U.S. greenhouse gas emissions." By way of comparison, transportation in the US produces more than 25% of all emissions.

While the findings of the United Nations report are now in doubt , the issue of livestock as a major policy focus remains, especially when dealing with problems of deforestation in neotropical areas, land degradation, climate change and air pollution, water shortage and water pollution, and loss of biodiversity. A research team at Obihiro University of Agriculture and Veterinary Medicine in Hokkaidōmarker found that supplementing the animals' diet with cysteine, a type of amino acid, and nitrate can reduce the methane gas produced, without jeopardising the cattle's productivity or the quality of their meat and milk.[862176]

Researchers in Australia are looking into the possibility of reducing methane from cattle and sheep by introducing digestive bacteria from kangaroo intestines into livestock.

Research from the University of Botswanamarker in 2008 has found that farmers' common practice of overstocking cattle to cope with drought losses made ecosystems more vulnerable and risked long term damage to cattle herds, in turn, by actually depleting scarce biomass. The study of the Kgatleng district of Botswana predicted that by 2050, the cycle of mild drought is likely to become shorter for the region (18 months instead of two years) due to climate change.[862177]

Legal definitions

United States federal legislation sometimes more narrowly defines the term to make specified agricultural commodities either eligible, or ineligible, for a program or activity. For example, the Livestock Mandatory Reporting Act of 1999 (P.L. 106-78, Title IX) defines livestock only as cattle, swine, and lambs. However, 1988 disaster assistance legislation defined the term as “cattle, sheep, goats, swine, poultry (including egg-producing poultry), equine animals used for food or in the production of food, fish used for food, and other animals designated by the Secretary.”

See also



References

External links




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