Bushmeat - Buschfleisch Ghana
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Bushmeat is
meat Meat is animal Tissue (biology), tissue, often muscle, that is eaten as food. Humans have hunted and farmed other animals for meat since prehistory. The Neolithic Revolution allowed the domestication of vertebrates, including chickens, sheep, ...
from
wildlife Wildlife refers to domestication, undomesticated animals and uncultivated plant species which can exist in their natural habitat, but has come to include all organisms that grow or live wilderness, wild in an area without being species, introdu ...
species that are hunted for human consumption. Bushmeat represents a primary source of animal protein and a cash-earning commodity in poor and rural communities of humid
tropical forest Tropical forests are forested ecoregions with tropical climates – that is, land areas approximately bounded by the Tropic of Cancer, tropics of Cancer and Tropic of Capricorn, Capricorn, but possibly affected by other factors such as prevailing ...
regions of the world. The numbers of animals killed and traded as bushmeat in 1994 in
West West is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some Romance langu ...
and
Central Africa Central Africa (French language, French: ''Afrique centrale''; Spanish language, Spanish: ''África central''; Portuguese language, Portuguese: ''África Central'') is a subregion of the African continent comprising various countries accordin ...
were thought to be unsustainable. By 2005, commercial harvesting and trading of bushmeat was considered a threat to
biodiversity Biodiversity is the variability of life, life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and Phylogenetics, phylogenetic diversity. Diversity is not distribut ...
. As of 2016, 301 terrestrial
mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...
s were threatened with
extinction Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
due to hunting for bushmeat including non-human
primates Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers and simians ( monkeys and apes). Primates arose 74–63  ...
, even-toed ungulates, bats, diprotodont marsupials,
rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...
s and
carnivore A carnivore , or meat-eater (Latin, ''caro'', genitive ''carnis'', meaning meat or "flesh" and ''vorare'' meaning "to devour"), is an animal or plant Plants are the eukaryotes that form the Kingdom (biology), kingdom Plantae; they ar ...
s occurring in
developing countries A developing country is a sovereign state with a less-developed Secondary sector of the economy, industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. ...
. Bushmeat provides increased opportunity for transmission of several
zoonotic A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a virus, bacterium, parasite, fungi, or prion) that can jump from a non-human vertebrate to a human. When h ...
virus A virus is a submicroscopic infectious agent that replicates only inside the living Cell (biology), cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are ...
es from animal hosts to humans, such as ''
Ebolavirus The genus ''Ebolavirus'' (- or ; - or ) is a International Committee on Taxonomy of Viruses, virological taxon included in the family ''Filoviridae'' (filament-shaped viruses), order ''Mononegavirales''. The members of this genus are called ebo ...
'' and HIV.


Nomenclature

The term 'bushmeat' is originally an
Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
n term for wildlife species that are hunted for human consumption, and usually refers specifically to the meat of African wildlife. In October 2000, the
IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...
World Conservation Congress passed a resolution on the unsustainable commercial trade in ''wild meat''. Affected countries were urged to recognize the increasing ramifications of the bushmeat trade, to strengthen and enforce legislation, and to develop action programmes to mitigate the consequences of the trade. Donor organisations were requested to provide funding for the implementation of such programmes. Wildlife
hunting Hunting is the Human activity, human practice of seeking, pursuing, capturing, and killing wildlife or feral animals. The most common reasons for humans to hunt are to obtain the animal's body for meat and useful animal products (fur/hide (sk ...
for food is important for the livelihood security of and supply of dietary protein for poor people. It can be sustainable when carried out by traditional
hunter-gatherer A hunter-gatherer or forager is a human living in a community, or according to an ancestrally derived Lifestyle, lifestyle, in which most or all food is obtained by foraging, that is, by gathering food from local naturally occurring sources, esp ...
s in large landscapes for their own consumption. Due to the extent of bushmeat hunting for
trade Trade involves the transfer of goods and services from one person or entity to another, often in exchange for money. Economists refer to a system or network that allows trade as a market. Traders generally negotiate through a medium of cr ...
in markets, the survival of those species that are large-bodied and reproduce slowly is threatened. The term ''bushmeat crisis'' was coined in 2007 and refers to this dual threat of depleting food resources and wildlife
extinction Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
s, both entailed by the bushmeat trade.


Affected wildlife species

Globally, more than 1,000 animal species are estimated to be affected by hunting for bushmeat. Bushmeat hunters use mostly leg-hold snare traps to catch any wildlife, but prefer to kill large species, as these provide a greater amount of meat than small species. The volume of the bushmeat trade in
West West is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some Romance langu ...
and
Central Africa Central Africa (French language, French: ''Afrique centrale''; Spanish language, Spanish: ''África central''; Portuguese language, Portuguese: ''África Central'') is a subregion of the African continent comprising various countries accordin ...
was estimated at per year at the turn of the 21st century. In 2002, it was estimated that species weighing more than contribute of meat per year to the bushmeat extracted in the Congo Basin, based on 24 individuals. Species weighing ''less'' than were estimated to contribute , also based on 24 individuals. Bushmeat extraction in the
Amazon rainforest The Amazon rainforest, also called the Amazon jungle or Amazonia, is a Tropical and subtropical moist broadleaf forests, moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin ...
was estimated to be much lower, at in the case of species weighing more than 10 kg and in the case of species weighing less than 10 kg, based on 3 individuals. Based on these estimates, a total of bushmeat is extracted in the Congo Basin per year, ranging from in
Equatorial Guinea Equatorial Guinea, officially the Republic of Equatorial Guinea, is a country on the west coast of Central Africa. It has an area of . Formerly the colony of Spanish Guinea, its post-independence name refers to its location both near the Equ ...
to in the
Democratic Republic of the Congo The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is t ...
. The 301 mammal species threatened by hunting for bushmeat comprise 126 primates, 65 even-toed ungulates, 27 bats, 26 diprotodont marsupials, 21 rodents, 12 carnivores and all
pangolin Pangolins, sometimes known as scaly anteaters, are mammals of the order Pholidota (). The one extant family, the Manidae, has three genera: '' Manis'', '' Phataginus'', and '' Smutsia''. ''Manis'' comprises four species found in Asia, while ' ...
species. Primate species offered fresh and smoked in 2009 at a wildlife market by Liberia's Cavally River included
chimpanzee The chimpanzee (; ''Pan troglodytes''), also simply known as the chimp, is a species of Hominidae, great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one. When its close rel ...
(''Pan troglodytes''), Diana monkey (''Cercopithecus diana''), putty-nosed monkey (''C. nictitans''), lesser spot-nosed monkey (''C. petaurista''),
Campbell's mona monkey Campbell's mona monkey (''Cercopithecus campbelli''), also known as Campbell's guenon and Campbell's monkey, is a species of primate in the family Cercopithecidae found in the Ivory Coast, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Senegal, ...
(''C. campbelli''), sooty mangabey (''Cercocebus atys''), king colobus (''Colobus polykomos''), olive colobus (''Procolobus verus''), western red colobus (''P. badius'').
Duiker A duiker is a small to medium-sized brown antelope native to sub-Saharan Africa, found in heavily wooded areas. The 22 extant species, including three sometimes considered to be subspecies of the other species, form the subfamily Cephalophinae ...
species constituted more than half of the total 723 animals offered. In 2012, the bushmeat trade was surveyed in three villages in the Sassandra Department,
Ivory Coast Ivory Coast, also known as Côte d'Ivoire and officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital city of Yamoussoukro is located in the centre of the country, while its largest List of ci ...
. During six months, nine restaurants received 376 mammals and eight reptiles, including dwarf crocodile (''Osteolaemus tetraspis''), harnessed bushbuck (''Tragelaphus scriptus''), Maxwell's duiker (''Philantomba maxwellii''), bay duiker (''Cephalophus dorsalis''), Campbell's mona monkey, lesser spot-nosed monkey, potto (''Perodicticus potto''), tree pangolin (''Phataginus tricuspis''), long-tailed pangolin (''P. tetradactyla''), African brush-tailed porcupine (''Atherurus africanus''), giant pouched rat (''Cricetomys gambianus''), greater cane rat (''Thryonomys swinderianus''), striped ground squirrel ('' Xerus erythropus'') and western tree hyrax (''Dendrohyrax dorsalis''). About 128,400
straw-coloured fruit bat The straw-coloured fruit bat (''Eidolon helvum'') is a large fruit bat that is the most widely distributed of all the African megabats. It is quite common throughout its area ranging from the southwestern Arabian Peninsula, across forest and sava ...
s (''Eidolon helvum'') were estimated in 2011 to be traded as bushmeat every year in four cities in southern Ghana. In 2006, it was estimated that about 1,437,458 animals are killed every year in the
Nigeria Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea in the Atlantic Ocean to the south. It covers an area of . With Demographics of Nigeria, ...
n and
Cameroon Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon, and the R ...
parts of the Cross-Sanaga-Bioko coastal forests, including about 43,880 Emin's pouched rats (''Cricetomys emini''), 41,800 tree pangolins, 39,700 putty-nosed monkeys, 22,500 Mona monkeys (''Cercopithecus mona''), 3,500 red-eared guenons (''C. erythrotis''), 20,300 drills (''Mandrillus leucophaeus''), 15,300
African civet The African civet (''Civettictis civetta'') is a large viverrid native to sub-Saharan Africa, where it is considered common and widely distributed in woodlands and secondary forests. It is listed as Least Concern on the IUCN Red List since 2008 ...
s (''Civettictis civetta''), 11,900 common kusimanses (''Crossarchus obscurus''), more than 7,600 African palm civets (''Nandinia binotata''), 26,760 Nile monitors (''Varanus niloticus'') and 410
African forest elephant The African forest elephant (''Loxodonta cyclotis'') is one of the two living species of African elephant, along with the African bush elephant. It is native to humid tropical forests in West Africa and the Congo Basin. It is the smallest of the ...
s (''Loxodonta cyclotis''). Between 1983 and 2002, the
Gabon Gabon ( ; ), officially the Gabonese Republic (), is a country on the Atlantic coast of Central Africa, on the equator, bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo to the east and south, and ...
populations of western gorilla (''Gorilla gorilla'') and common chimpanzee (''Pan troglodytes'') were estimated to have declined by 56%. This decline was primarily caused by the commercial hunting, which was facilitated by the extended infrastructure for
logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidder, skidding, on-site processing, and loading of trees or trunk (botany), logs onto logging truck, trucks Marsh mongoose (''Atilax paludinosus'') and long-nosed mongoose (''Herpestes naso'') are the most numerous small carnivores offered in rural bushmeat markets in the country. In the late 1990s, fresh and smoked
bonobo The bonobo (; ''Pan paniscus''), also historically called the pygmy chimpanzee (less often the dwarf chimpanzee or gracile chimpanzee), is an endangered great ape and one of the two species making up the genus ''Pan (genus), Pan'' (the other bei ...
(''Pan paniscus'') carcasses were observed in
Basankusu Basankusu is a town in Province of Équateur, Équateur Province, Democratic Republic of the Congo. It is the main town and administrative centre of the Basankusu Territory. In 2004, it had an estimated population of 23,764. It has a gravel Basank ...
in the Province of Équateur in the Congo Basin. The main species killed by bushmeat hunters in Tanzania's Katavi- Rukwa Region include impala (''Aepyceros melampus''), common duiker (''Sylvicapra grimmia''), warthog (''Phacocherus africanus''), Cape buffalo (''Syncerus caffer''), harnessed bushbuck, red river hog (''Potamochoerus porcus'') and
plains zebra The plains zebra (''Equus quagga'', formerly ''Equus burchellii'') is the most common and geographically widespread species of zebra. Its range is fragmented, but spans much of southern and eastern Africa south of the Sahara. Six or seven subspec ...
(''Equus quagga''). A survey in a rural area in southwestern Madagascar revealed that bushmeat hunters target bushpig (''Potamochoerus larvatus''),
ring-tailed lemur The ring-tailed lemur (''Lemur catta'') is a medium- to larger-sized strepsirrhine (wet-nosed) primate and the most internationally recognized lemur species, owing to its long, black-and-white, ringed tail. It belongs to Lemuridae, one of fiv ...
(''Lemur catta''), Verreaux's sifaka (''Propithecus verreauxi''), Hubbard's sportive lemur (''Lepilemur hubbardorum''), fat-tailed dwarf lemur (''Cheirogaleus medius''), common tenrec (''Tenrec ecaudatus''), grey mouse lemur (''Microcebus murinus''), reddish-gray mouse lemur (''M. griseorufus''), Madagascan fruit bat (''Eidolon dupreanum'') and Madagascan flying fox (''Pteropus rufus'').


Dynamics


Logging

Logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidder, skidding, on-site processing, and loading of trees or trunk (botany), logs onto logging truck, trucksRepublic of Congo, partnered with governments and international conservation organizations to regulate the bushmeat trade within the concessions where they operate. Numerous solutions are needed; because each country has different circumstances, traditions and laws, no one solution will work in every location.


Nutrition

Bushmeat can be an important source of
micronutrient Micronutrients are essential chemicals required by organisms in small quantities to perform various biogeochemical processes and regulate physiological functions of cells and organs. By enabling these processes, micronutrients support the heal ...
s and macronutrients. A study of South Americans in the Tres Fronteras region found that those who consumed bushmeat were at a lower risk of
anemia Anemia (also spelt anaemia in British English) is a blood disorder in which the blood has a reduced ability to carry oxygen. This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin availabl ...
and chronic health conditions, as their diets included more
iron Iron is a chemical element; it has symbol Fe () and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of Earth's o ...
,
zinc Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic tabl ...
, and
vitamin C Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits, berries and vegetables. It is also a generic prescription medication and in some countries is sold as a non-prescription di ...
than those who did not eat bushmeat.


Overfishing

In
Ghana Ghana, officially the Republic of Ghana, is a country in West Africa. It is situated along the Gulf of Guinea and the Atlantic Ocean to the south, and shares borders with Côte d’Ivoire to the west, Burkina Faso to the north, and Togo to t ...
, international illegal over-exploitation of African fishing grounds has increased demand for bushmeat. Both
European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
-subsidized fleets and local commercial fleets have depleted fish stocks, leaving local people to supplement their diets with animals hunted from nature reserves. Over 30 years of data link sharp declines in both mammal populations and the biomass of 41 wildlife species with a decreased supply of fish. Consumption of fish and of bushmeat is correlated: the decline of one resource drives up the demand and price for the other.


Pastoralism

Transhumant Transhumance is a type of pastoralism or nomadism, a seasonal movement of livestock between fixed summer and winter pastures. In montane regions (''vertical transhumance''), it implies movement between higher pastures in summer and lower ...
pastoralists from the border area between
Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
and the
Central African Republic The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to Central African Republic–Chad border, the north, Sudan to Central African Republic–Sudan border, the northeast, South Sudan to Central ...
are accompanied by armed merchants who also engage in
poaching Poaching is the illegal hunting or capturing of wild animals, usually associated with land use rights. Poaching was once performed by impoverished peasants for subsistence purposes and to supplement meager diets. It was set against the huntin ...
large
herbivore A herbivore is an animal anatomically and physiologically evolved to feed on plants, especially upon vascular tissues such as foliage, fruits or seeds, as the main component of its diet. These more broadly also encompass animals that eat ...
s. The decline of giant eland, Cape buffalo,
hartebeest The hartebeest (; ''Alcelaphus buselaphus''), also known as kongoni or kaama, is an Fauna of Africa, African antelope. It is the Monotypic taxon, only member of the genus ''Alcelaphus''. Eight subspecies have been described, including two som ...
and waterbuck in the Chinko area between 2012 and 2017 is attributed to their poaching activities. They use livestock to transport bushmeat to markets.


Role in spread of diseases

Animal sources may have been the cause for infectious diseases such as
tuberculosis Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
,
leprosy Leprosy, also known as Hansen's disease (HD), is a Chronic condition, long-term infection by the bacteria ''Mycobacterium leprae'' or ''Mycobacterium lepromatosis''. Infection can lead to damage of the Peripheral nervous system, nerves, respir ...
,
cholera Cholera () is an infection of the small intestine by some Strain (biology), strains of the Bacteria, bacterium ''Vibrio cholerae''. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea last ...
,
smallpox Smallpox was an infectious disease caused by Variola virus (often called Smallpox virus), which belongs to the genus '' Orthopoxvirus''. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (W ...
,
measles Measles (probably from Middle Dutch or Middle High German ''masel(e)'', meaning "blemish, blood blister") is a highly contagious, Vaccine-preventable diseases, vaccine-preventable infectious disease caused by Measles morbillivirus, measles v ...
,
influenza Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These sympto ...
, and
syphilis Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms depend on the stage it presents: primary, secondary, latent syphilis, latent or tertiary. The prim ...
acquired by early agrarians. The emergence of HIV-1,
AIDS The HIV, human immunodeficiency virus (HIV) is a retrovirus that attacks the immune system. Without treatment, it can lead to a spectrum of conditions including acquired immunodeficiency syndrome (AIDS). It is a Preventive healthcare, pr ...
,
Ebola virus disease Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses. Symptoms typically start anywhere between two days and three weeks after infe ...
, and Creutzfeldt-Jakob disease are attributed to animal sources today. Thomas's rope squirrel (''Funisciurus anerythrus'') and red-legged sun squirrel (''Heliosciurus rufobrachium'') were found to carry MPXV in the
Democratic Republic of the Congo The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is t ...
in the 1980s. Outbreaks of the Ebola virus in the Congo Basin and in
Gabon Gabon ( ; ), officially the Gabonese Republic (), is a country on the Atlantic coast of Central Africa, on the equator, bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo to the east and south, and ...
in the 1990s have been associated with the butchering and consumption of
chimpanzee The chimpanzee (; ''Pan troglodytes''), also simply known as the chimp, is a species of Hominidae, great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one. When its close rel ...
s and
bonobo The bonobo (; ''Pan paniscus''), also historically called the pygmy chimpanzee (less often the dwarf chimpanzee or gracile chimpanzee), is an endangered great ape and one of the two species making up the genus ''Pan (genus), Pan'' (the other bei ...
s. Bushmeat hunters in Central Africa infected with the human T-lymphotropic virus were closely exposed to wild primates.
Anthrax Anthrax is an infection caused by the bacterium '' Bacillus anthracis'' or ''Bacillus cereus'' biovar ''anthracis''. Infection typically occurs by contact with the skin, inhalation, or intestinal absorption. Symptom onset occurs between one ...
can be transmitted when butchering and eating ungulates. The risk of bloodborne diseases to be transmitted is higher when butchering a carcass than when transporting, cooking and eating it. Many hunters and traders are not aware of
zoonosis A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a virus, bacterium, parasite, fungi, or prion) that can jump from a non-human vertebrate to a human. When ...
and the risks of disease transmissions. An interview survey in rural communities in Nigeria revealed that 55% of the respondents knew of
zoonoses A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a virus, bacterium, parasite, fungi, or prion) that can jump from a non-human vertebrate to a human. When h ...
, but their education and cultural traditions are important drivers for hunting and eating bushmeat despite the risks involved.


HIV

Results of research on wild chimpanzees in Cameroon indicate that they are naturally infected with the simian foamy virus and constitute a reservoir of HIV-1, a precursor of the acquired immunodeficiency syndrome (AIDS) in
human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
s. There are several distinct strains of HIV, indicating that this cross-species transfer has occurred several times.
Simian immunodeficiency virus Simian immunodeficiency virus (SIV) is a species of retrovirus that cause persistent infections in at least 45 species of non-human primates. Based on analysis of strains found in four species of monkeys from Bioko Island, which was isolated fr ...
present in chimpanzees is reportedly derived from older strains of the virus present in the collared mangabey (''Cercocebus torquatus'') and the putty-nosed monkey. It is likely that HIV was initially transferred to humans after having come into contact with infected bushmeat.


Ebola

The natural reservoirs of ebolaviruses are unknown. Possible reservoirs include non-human
primate Primates is an order (biology), order of mammals, which is further divided into the Strepsirrhini, strepsirrhines, which include lemurs, galagos, and Lorisidae, lorisids; and the Haplorhini, haplorhines, which include Tarsiiformes, tarsiers a ...
s,
megabat Megabats constitute the Family (biology), family Pteropodidae of the Order (biology), order Chiroptera. They are also called fruit bats, Old World fruit bats, or—especially the genus, genera ''Acerodon'' and ''Pteropus''—Pteropus, flyin ...
s, rodents, shrews, carnivores, and ungulates. Between October 2001 and December 2003, five Ebola virus outbreaks occurred in the border area between Gabon and Republic of Congo. Autopsies of wildlife carcasses showed that chimpanzees, gorillas and bay duikers were infected with the virus. The Ebola virus has been linked to bushmeat, with some researchers hypothesizing that megabats are a primary host of at least some variants of Ebola virus. Between the first recorded outbreak in 1976 and the largest in 2014, the virus has transferred from animals to humans only 30 times, despite large numbers of bats being killed and sold each year. Bats drop partially eaten fruits and pulp, then terrestrial mammals such as gorillas and duikers feed on these fruits. This chain of events forms a possible indirect means of transmission from the natural host to animal populations. The suspected
index case The index case or patient zero is the first documented patient in a disease epidemic within a population, or the first documented patient included in an epidemiological study. It can also refer to the first case of a condition or syndrome (no ...
for the
Ebola virus epidemic in West Africa The 2013–2016 epidemic of Ebola virus disease, centered in West Africa, was the most widespread outbreak of the disease in history. It caused major loss of life and socioeconomic disruption in the region, mainly in Guinea, Liberia and S ...
in 2014 was a two-year-old boy in Meliandou in south-eastern Guinea, who played in a hollow tree harbouring a colony of Angolan free-tailed bats (''Mops condylurus''). Results of a study conducted during the Ebola crisis in Liberia showed that socio-economic conditions affected bushmeat consumption. During the crisis, there was a decrease in bushmeat consumption and daily meal frequency. In addition, preferences for bushmeat species stayed the same.


Parasites

In Cameroon, 15 primate species were examined for
gastrointestinal The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The tract is the largest of the body's systems, after the cardiovascular system. ...
parasite Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted str ...
s. Bushmeat primates were infected with ''
Trichuris ''Trichuris'' (synonym ''Trichocephalus''), often referred to as whipworms or the silent serpent (which typically refers to ''T. trichiura'' only in medicine, and to any other species in veterinary medicine), is a Genus–differentia definition, ...
'', '' Entamoeba'', '' Ascaris'', '' Capillaria'', pinworms, '' Bertiella'' and '' Endolimax nana''. A large proportion of ''
Bitis ''Bitis'' is a genus of Viperidae, vipers found in Africa and the southern Arabian Peninsula. It includes the largest and the smallest vipers in the world. Members are known for their characteristic Deimatic behaviour, threat displays that invol ...
'' vipers sold at rural bushmeat markets in the Democratic Republic of the Congo are infected by '' Armillifer grandis'', which represent a threat to public health.


Management

Suggestions for reducing or halting bushmeat harvest and trade include: * increase access of consumers to affordable and reliable alternative sources of animal protein such as
chicken The chicken (''Gallus gallus domesticus'') is a domesticated subspecies of the red junglefowl (''Gallus gallus''), originally native to Southeast Asia. It was first domesticated around 8,000 years ago and is now one of the most common and w ...
, small
livestock Livestock are the Domestication, domesticated animals that are raised in an Agriculture, agricultural setting to provide labour and produce diversified products for consumption such as meat, Egg as food, eggs, milk, fur, leather, and wool. The t ...
and farmed fish raised at family level; * devolve rights and authority over wildlife to local communities; * strengthen the management of
protected area Protected areas or conservation areas are locations which receive protection because of their recognized natural or cultural values. Protected areas are those areas in which human presence or the exploitation of natural resources (e.g. firewood ...
s and enforce
wildlife conservation Wildlife conservation refers to the practice of protecting wild species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems. Major threats to wildlife include habita ...
laws. As an alternative to bushmeat,
captive breeding Captive breeding, also known as captive propagation, is the process of keeping plants or animals in controlled environments, such as wildlife reserves, zoos, Botanical garden, botanic gardens, and other Conservation biology, conservation facilitie ...
of species traditionally harvested from the wild is sometimes feasible. Captive breeding efforts must be closely monitored, as there is risk they can be used to launder and legitimize individuals captured from the wild, similar to the laundering of wild green tree pythons in Indonesia for the pet trade.


See also

* Cat meat *
Dog meat Dog meat, also known as fragrant meat or simply fragrant, is the meat derived from dogs. Historically human consumption of dog meat has been recorded in many parts of the world. In the 21st century, dog meat is consumed to a limited extent in ...
*
Game A game is a structured type of play usually undertaken for entertainment or fun, and sometimes used as an educational tool. Many games are also considered to be work (such as professional players of spectator sports or video games) or art ...
– animals hunted for food * Indigenous cuisine of the Americas *
Malnutrition Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues a ...
* Roadkill cuisine * Wildlife trafficking and emerging zoonotic diseases * Yewei – wildlife meat sold at Chinese wet markets *


References


External links

* * * * * * * * {{Apes Meat Environmental issues with forests Environmental crime Bushfood