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Standart İngilizce Hayvan Tanıtımı Deve - Deve İngilizce Tanıtımı

İngilizce Hayvan Tanıtımı Deve - Deve İngilizce Tanıtımı


Camels are even-toed ungulates within the genus Camelus. The dromedary, one-humped or Arabian camel has a single hump and is well known for its healthy low fat milk, and the Bactrian camel has two humps. They are native to the dry desert areas of western Asia, and central and east Asia, respectively.

The term camel is also used more broadly to describe any of the six camel like creatures in the family Camelidae: the two true camels, and the four South American camelids, the llama, alpaca, guanaco, and vicuña.

The average life expectancy of a camel is 40 to 50 years. A fully grown adult camel stands 1.85 m (6 ft 1 in) at the shoulder and 2.15 m (7 ft 1 in) at the hump. The hump rises about 30 inches (75 cm) out of its body. Camels can run up to 65 km/h (40 mph) in short bursts and sustain speeds of up to 40 km/h (25 mph).

Fossil evidence indicates that the ancestors of modern camels evolved in North AmericaPalaeogene period, and later spread to most parts of Asia. Humans first domesticated camels before 2000 BC. The dromedary and the Bactrian camel are both still used for milk, meat, and as beasts of burden—the dromedary in western Asia and in Africa north of the sub-Saharan savannahs, and the Bactrian camel further to the north and east in central Asia. during the

Distribution and numbers

The almost 14 million dromedaries alive today are domesticated animals (mostly living in Somalia, the Sahel, Maghreb, Middle East and Indian subcontinent). An estimated half of the worlds camel population are found in Somalia and in the Somali Region of Ethiopia, where the camel is an important part of nomadic Somali life. They provide the Somali people with milk, food and transportation.

The Bactrian camel is now reduced to an estimated 1.4 million animals, mostly domesticated. It is thought that there are about 1000 wild Bactrian camels in the Gobi Desert in China and Mongolia.

There is a substantial feral population of dromedaries estimated at up to 700,000 in central parts of Australia, descended from individuals introduced as transport animals in the 19th century and early 20th century. This population is growing at approximately 11% per year. The government of South Australia has decided to cull the animals using aerial marksmen, because the camels use too much of the limited resources needed by sheep farmers. For more information, see Australian feral camel.

A small population of introduced camels, dromedaries and Bactrians, survived in the Southwest United States until the 1900s. These animals, imported from Turkey, were part of the US Camel Corps experiment and used as draft animals in mines and escaped or were released after the project was terminated. A descendant of one of these was seen by a backpacker in Los Padres National Forest in 1972. Twenty-three Bactrian camels were brought to Canada during the Cariboo Gold Rush.

Eco-behavioural adaptations

Camels do not store water in their humps as is commonly believed; the humps are actually a reservoir of fatty tissue. Concentrating body fat in their humps minimizes heat-trapping insulation throughout the rest of their body, which may be an adaptation to living in hot climates. When this tissue is ****bolized, it acts as a source of energy, and would yield more than 1 g of water for each 1 g of fat converted through reaction with oxygen from air. This process of fat ****bolization generates a net loss of water through respiration for the oxygen required to convert the fat.

Their ability to withstand long periods without water is due to a series of physiological adaptations. Their red blood cells have an oval shape, unlike those of other mammals, which are circular. This is to facilitate their flow in a dehydrated state. These cells are also more stable in order to withstand high osmotic variation without rupturing when drinking large amounts of water (100 litres (22 imp gal; 26 US gal) to 150 litres (33 imp gal; 40 US gal) in one drink).

Camels are able to withstand changes in body temperature and water content that would kill most other animals. Their temperature ranges from 34 °C (93 °F) at night up to 41 °C (106 °F) during the day, and only above this threshold will they begin to sweat. The upper body temperature range is often not reached during the day in milder climatic conditions, and therefore, the camel may not sweat at all during the day. Evaporation of their sweat takes place at the skin level, not at the surface of their coat, thereby being very efficient at cooling the body compared to the amount of water lost through sweating. This ability to fluctuate body temperature and the efficiency of their sweating allows them to preserve about five litres of water a day.

A feature of their nostrils is that a large amount of water vapor in their exhalations is trapped and returned to their body fluids, thereby reducing the amount of water lost through respiration.

They can withstand at least 20-25% weight loss due to sweating (most mammals can only withstand about 3-4% dehydration before cardiac failure results from the thickened blood).A camel's blood remains hydrated, even though the body fluids are lost, until this 25% limit is reached.

Camels eating green herbage can ingest sufficient moisture in milder conditions to maintain their bodies' hydrated state without the need for drinking.
A camel's thick coat reflects sunlight, and also insulates them from the intense heat radiated from desert sand. A shorn camel has to sweat 50% more to avoid overheating. Their long legs help by keeping them further from the hot ground. Camels have been known to swim.

Their mouth is very sturdy, able to chew thorny desert plants. Long eyelashes and ear hairs, together with sealable nostrils, form a barrier against sand. Their gait and their widened feet help them move without sinking into the sand.[citation needed]
The kidneys and intestines of a camel are very efficient at retaining water. Urine comes out as a thick syrup, and their feces are so dry that they can fuel fires.[citation needed]

All camelids have an unusual immune system. In all mammals, the Y-shaped antibodyheavy chain-only[16] molecules consist of two heavy (or long) chains along the length of the Y, and two light (or short) chains at each tip of the Y. Camels also have antibody molecules that have only two heavy chains, which makes them smaller and more durable. These antibodies, which were discovered in 1993, probably developed 50 million years ago, after camelids split from ruminants and pigs, according to biochemist Serge Muyldermans.
The camel is the only animal to have replaced the wheel (mainly in North Africa) where the wheel had already been established. The camel did not lose that distinction until the wheel was combined with the internal combustion engine in the 20th century.[citation needed]
In order to prevent dehydration, camels do not vomit any of their organs, vital or not, contrary to popular belief.

Camel farming

Over the past few decades camels have regained recognition for their food-producing potential in arid and semi-arid areas of Sudan. After having been dismissed as uneconomical by the Sudanese government, their vital role in supporting human populations in some of the poorest and frequently drought-stricken areas of the world has now been widely acknowledged (Hjort af Ornäs, 1988). The devastating African drought in 1984-1985 demonstrated that camel ownership can give pastoralists a competitive edge and an excellent chance for survival. Whereas entire herds of cattle, sheep and goats succumbed to the arid conditions, camel populations survived relatively unscathed. Consequently, some pastoral groups with deeply ingrained traditions of cattle herding, such as the Samburu in northern Kenya, started to acquire camels (Sperling, 1987), a fact which has come to the attention of development agencies and international organizations.

Military uses

Attempts have been made to employ camels as cavalry and dragoon mounts and as freight animals instead of horses and mules. In some places, such as Australia, some of the camels have become feral and are considered to be dangerous to travelers on camels. The camels were mostly used in combat because of their ability to scare off horses in close ranges, a quality famously employed by the Achaemenid Persians when fighting Lydia, although the Persians usually used camels as baggage trains for arrows and equipment. The horses detest the smell of camels, and therefore, the horses in the vicinity become harder to control. The United States Army had an active camel corps stationed in California in the 19th century, and the brick stables may still be seen at the Benicia Arsenal in Benicia, California, now converted to artists' and artisans' studio spaces. Camels have been used in wars throughout Africa, and also in the East Roman Empire as auxiliary forces known as Dromedarii recruited in desert provinces. During the American Civil War, camels were used at an experimental stage, but were not used any further, as they were unpopular with the men.

Cuisine

Dairy

Camel milk is a staple food of desert nomad tribes and is richer in fat and protein than cow milk. Camel milk cannot be made into butter in the traditional churning method. It can be made if it is soured first, churned, and a clarifying agent added, or if it is churned at 24–25 °C (75–76 °F), but times will vary greatly in achieving results. The milk can readily be made into yogurt. Butter or yogurt made from camel milk is said to have a very faint greenish tinge. Camel milk is said to have many healthful properties and is used as a medicinal product in India; Bedouin tribes believe that camel milk has great curative powers if the camel's diet consists of certain plants. In Ethiopia, the milk is considered an aphrodisiac.

Camel milk, until recently, was impossible to make into traditional cheese since rennet was unable to coagulate the milk proteins to allow the collection of curds. Under the commission of the FAO, Professor J.P. Ramet of the École Nationale Supérieure d'Agronomie et des Industries Alimentaires (ENSAIA) was able to produce curdling by the addition of calcium phosphate and vegetable rennet. The cheese produced from this process has low levels of cholesterol and lactose. The sale of camel cheese is limited owing to the low yield of cheese from milk and the uncertainty of pasteurization levels for camel milk which makes adherence to dairy import regulations difficult.

Meat

A camel carcass can provide a substantial amount of meat. The male dromedary carcass can weigh 400 kg (900 lb) or more, while the carcass of a male Bactrian can weigh up to 650 kg (1,400 lb). The carcass of a female camel weighs less than the male, ranging between 250 and 350 kg (550–770 lb), but can provide a substantial amount of meat. The brisket, ribs and loin are among the preferred parts, but the hump is considered a delicacy and is most favored. It is reported that camel meat tastes like coarse beef, but older camels can prove to be tough and less flavorful.

Camel meat has been eaten for centuries. It has been recorded by ancient Greek writers as an available dish in ancient Persia at banquets, usually roasted whole. The ancient RomanHeliogabalus enjoyed camel's heel. Camel meat is still eaten in certain regions including Somalia, where it is called Hilib geyl, Saudi Arabia, Egypt, Libya, Sudan, Kazakhstanpastırma. Not just the meat, but also blood is a consumable item as is the case in northern Kenya, where camel blood is a source of iron, vitamin D, salts and minerals. The camel is also considered a novelty in Australia - for example, a camel lasagne is available in Alice Springs). emperor and other arid regions where alternative forms of protein may be limited or where camel meat has had a long cultural history. In the Middle East, camel meat is the rarest and most prized source of

Health issues

A 2005 report issued jointly by the Saudi Ministry of Health and the United States Center for Disease Control details cases of human bubonic plague resulting from the ingestion of raw camel liver.

Cultural prohibitions on consuming camel products

According to Jewish tradition, camel meat and milk are not kosher. Camels possess only one of the two Kosher criteria; although they chew their cuds, they do not possess cloven hooves
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