
Morphologic features:
-Maximum height 147cm. with an average of 132,5 cm of the current poblation.
-Weight around of the 300-350 kg.
-Small and thin ears, drawing a concave arch ath the bottom
-Hocks tend to converge, forming an angle instead of two parallel lines.
-The forelimbs are thin, with good joints, vessels and tendons very noticeable externally.
-Little developed fetlock.
-Small hoofs
-Rounded and knocked down croup
-Black coat, star brand is administered.
-Sturdy neck, wide insertion in the chest, the cross is outstanding. With abundant and black mane.

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Origin of the Losino Horse. For 40.000 years old the presence of the Solutrense horse and their continuity in the horses of Celtic trunk in the north-west of the Iberian peninsula is accredited by archaeological remains.
The horse in the Iberian peninsula is reflected through paintings in the Paleolitic during the Pleistocene, although from the Neolithic until the Iron Age much fewer are showed paintings in the caves coinciding wiht a climate change of great development of the forests that they cause many hervibors to migrate to the Eurosiberian grasslands.Maluquer (1967).
Such an extensive deglaciation of the Alpine Range and the North German Plain led to a separation of western an eastern areas, the formation of a refuge in western Europe for the wild horses.Nobis (1974)
According that hipotesis the specie wild originari of the domestic horses is the specie spread in Euroasia in the Neolitic, at north of the great mountain chain. This wild specie originary is the Equues Feurs, with their sub-species:
Acoording to these hypotheses, the native wild species of domestic horses is the species widespread in Euroasia in the Neolithic, north of the great mountain range.
Cueva de Ekain
This original wild species is Equus Ferus, with its subspecies tha are:
-Equus Ferus Gmelini or Tarpan: Located in central and southern Russia. Straight profile.
Horse that colonized northern and central Europe; it became extinct at the end of the last century.
-Equus Ferus Przewalskii or Wild horse of Przewalski: located in the region of Mongollia. Convex profile. It's the only wild horse that currently exist.
-Equus Ferus Solutrensis or Horse of the Solutrense: Located in the central and western Europe. Small horse, with a concave profile and thin legs that could be painted by the Cromañon man and live in Western Europe since the Upper Paleolithic (40.000 B.C) until the Mesolithic (9.000 B.C).
With the arrival of the Celtic people 1.600 - 1500 B.C., who came from the Northern routes, intoduce a new equine population for the North of the peninsula. An ellipometric horse, of low health, called Asturcón, good for shooting, but not so good for th saddle. His head was small, orthoid type, short ears, strong rump, abundant hair and dark coat. He frecuently presented a drawstring, footwear . In the south and east of the peninsula was speading with the Iberos, horses such as the Berber, of more height than the Celtic horse.
Too a third type of horse existed in the peninsula. Called by the authors of the time Caldon or Celdón, which arose as a consequence of the fusion of Celtin an Iberia populations in extensive areas of the Center-North. This horse got characteres surpassing Asturcón like horses of race of carriages.The Romans paid attention in these horses because they were very eay to practice the gait (smooth trot that the horse achieves lengtheningn the limbs alternately).According to the writings of Plinio el Viejo.
The origin of the Losina Breed is stil unknown, but there are various hypotheses of some authors:
1. J.M. Bañuleos, 1951. " The Losino horse would descend from the Arab. This oponion is based on that some characters seem to be common in both races (ardor, resistance, finesse of the extremities wiht highly visible vesssels and tendons,...)
2. Rafael Castejón, 1953. "The Castilian horse, steppe type, genotypically linked with the Tarpan, original average height of 130 to 140 cms. , chestnut fur (wild color), net straight and descending profiles of species that have populated the Iberian peninsula since the times of the Tertiary and the Quarternary (Hipparion gracile) until today. Producing in general the current indigenous horses of Castilia, some of their groups such as the Losino horse, have been studied by national and foreign authors. Their genotype is Equus gmelini Antonius o Tarpan.
3. Skorowski, 1974 and Nobis, 1979. Support hte origin of the populations of the equine breeds of the northern Spain (where it also includes the Losino horse), in the emigrations of different Northen peoples such as the Celts, who brought their alredy domesticated horses here or for the mix between wild subspecies that are later domesticated in our lands, that is, a polyphyletic origin.

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But from the Association of Breeders "El Bardojal" the vetrinarian Eduardo Ruiz Saiz-Amor in his book "La Raza Losina. El caballo de las Merindades" tell us the following: "That this population of horses of the Solutrean type disappeared from our mountains in the Mesolithic due to the great climate and ecological change determine by the end of the last ice age (10.500 - 11.500 years B.C) and the consequent displacement of the steppe prairies towards the center and northern Europe and its replacement on the peninsula by forests, is perfectly understandable and in principle probable. But that thousands of years later a different horse that it supposes that a distant people , who also made the migration on foot, were intorduced from the steppes of the north, had and identical morphotype and was perfectly adapted to such a diferent environment and unfavorable as if it were his own, it has always seemed too much to us. Too strange, especially considering that our current ponies are much more like prehistoric than the current ponies of the Eurasian steppes.
Excessive similarity has always suggested to us that we were not facing and example of convergence genetics, in which different species or races converge in similar morphotypes by the evolutionary adaptation to similar ecological niches, if not somehow it must have a continuity, a genetic common thread between our prehistoric and current horses."