Systematics horses according to Blakely and Bade (1992), has the following sequence:
Phylum: Chordata (animals with backbones)
Class: Mammal (breastfeeding)
Species: Equus Cabalus
About 13 million years ago after animal presence prakuda, the horse comes first ancestor known as Eohippus. The animals are also small in size, no more than a wolf, shoulder height 25-45 cm, the front legs have 3 fingers tracak. Ears small but compact, furry fur coat is like a dog, his tail twitching, his face long enough to make room for a lot of 44 pieces of gear. Different characteristics of Eohippus toritis species when compared with its predecessor is the direction of growth in his legs. Foot is an adaptation of the original state of the five-fingered, which turned into four. The front fascia is retracted into finger splint (Blakely and Bade, 1992).
Mesohippus. About 40 million years ago, the process of evolution has changed the form of the horse is more drastic. Ologocene time period, the animal appears Mesohippus. Mesohippus appear larger than its predecessor, with a shoulder height of 60 cm have. Small randomized already started his third berkembangpada both forelegs and hind legs (Blakely and Bade, 1992).
Merychippus. During the Miocene epoch about 25 million years ago, came the Merychippus species as a whole new horse. This is the type of horse with 3 fingers upright appearance, about 100 centimeters high and has 3 fingers on both forelegs and hind legs (Blakely and Bade, 1992).
Pliohippus. Then about 10 million years ago, during the Pliocene era evolved into Pliohippus horse. Ancestral horses of this type have one finger or one tracak on each foot. Pliohippus is monodaktil animals (animals bertracak single) true first in the history of evolution (Blakely and Bade, 1992).
Equus. Finally, around 2 million years ago, a horse as we know it today is Equus caballus, emerged as a larger creature. But about 8 thousand years ago, Equus species is extinct in the continental United States and does not appear again until the Spaniards brought horses into the Americas in the 1400s (Blakely and Bade, 1992).
Batak horse. This horse is known in North Tapanuli spread, especially around Lake Toba. The shape resembles a Mongolian horse. He was small, less than 1.20 m high. Balancing the body good. The nose of this great horse, and relatively long. Head completely subjugated difficult because of the short neck, tail high seat, color assortment, workhorse type (Sosroamidjojo and Soeradji, 1982).
Sumatra horse. This horse is brown nd generally dark brown with reddish hair underneath the tail and feet black. Form a rather large head and short denagn wide neck. Head hair rough and standing. Her legs were slender and hairy at the joints (Nusyirwan, 1993).
Horses American Saddle Horse. American Saddle Horse was developed in the regions plantations in the state of the United States. Almost all American Saddle Horse is a descendant of a very famous Danish horse race as far as 4 miles, which was born in 1839. Outstanding characteristic of the nation’s horse is good ride for long distances and can be employed while carrying a load (Blakely and Bade, 1992).
Arabian horses. Arabian horses may have come from Egypt, but it has been developed in Arabic to reach the current form. Then devel-culture in the United States since the colonial era. Salient characteristics of the Arabian horse is the speed of his endurance (stamina) and beauty. This horse is also known for having a benign nature, it seems more like a friendly (adjacent) to humans (Blakely and Bade, 1992).
Hockney horse. Is a descendant of the Thoroughbred stallion mare disilagnkan denagn native Britain in the Norfolk area. This nation was originally a horse-riding, but also used as a workhorse (Blakely and Bade, 1992).
Thoroughbred horses. Thoroughbred horse was developed by the British royal family before being imported into America. Due to the use in the UK, came the term “sport king” because of the British nobility, both men and women and to race this horse breed that looks nice. In addition to intelligence, a characteristic that stands out is the running speed and endurance (Blakely and Bade, 1992).
Welsh Pony horse. Welsh nation horses come from Wales. Heavy areas, mountainous and sparse vegetation is natural selection so that only the fittest can survive alone. The nation is somewhat larger than Shetland and also known as a pony horse for the show and often crossed with Thoroughbred. Often described as a small horse trainer, is also handy for horse racing, working cattle and for hunting (Blakely and Bade, 1992).