Human (Bannikov A.,1976). Currently, their total number is

Human survival
in less agro- ecological parts of Africans, Asians and Arabians deserts is
depended on old world camelids (camelini). Camels have been used for
transportation, food and protection since long times ago, and now a day, gain
marvelous importance as sustainable livestock species (PA Burger,2016). The
camel is the member of family Camelidae. This family is contained two major
types; small and large camelids which are further dispersed into camelus, Lama,
and Vicugna genus. There is no clear classification of camels exists but
generally differentiated on the bases of colour, function and habitat. Camel
breeds have same shape but diverge in body conformation, size and colour (AM
Al-Swailem et al.,2010). The large Camelids include two domestic species: Camelus
dromedarius, the single-humped, and Camelus Bacterian, the two-humped camel. The
camel dromedary also known as Arabian camels mostly prevalent in hot arid lands
from eastern part of Asia and North of Africa. wheras, Camelus Bacterian mostly
living in cold regions and deserts of central Asia. The small camelids include
the Ilama and the alpaca are mostly present in South America. A new large
camelid (wild species) are described for few times and mainly present in
distant areas of Mangolia and China. This family is known as Tartary camel (C.
Bacterianus ferus) (Ji et al., 2009). Wild bacterian camels are considered lone
survivors of old world camels (Bannikov A.,1976). Currently, their total number is roughly
730-880 (Yuan G.e.a.,2002). The dromedary camel was first domesticated
around 5 thousand or 6 thousand years ago in Arabian region (Uerpman and
Uerpman, 2002; Trinks et al., 2012; Peters
and von den Driesch, 1997).

Therefore,
camels have some unique characteristics and traits which enable them to survive
and live in remote areas, high mountains and arid lands (Wilson T., et al.,
1990). They have inherent ability to store energy in their humps in the
form of fat which empower them to survive for longer period without any food
and water (Emmanuel and Nahapetian,
1980). The body temperature of camel may fluctuate from 34 to 41?°C throughout the day (Schmidt-Nielsen,1964).
Interestingly, camels endure high dietary intake of salt, approximately
utilizing eight times more than sheep’s and cattle’s, without showing any sign
and symptoms of diabetes and hypertension (Ali T.,1994). Although, blood
glucose level in camels are two-fold than those other ruminants (Al-Ali, and Husayni , 1988).

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The current
paper deal with the importance of camelidae family in the world today because
camels harbor some unique biological attributes, and its genome diversity make
them fascinating not only for their monetary values but also for human
medicine.