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The Araucana (Spanish: Gallina Mapuche) is a breed of domestic chicken from Chile. The name derives from the historic Araucanía region where it is believed to have originated. It lays blue-shelled eggs, one of very few breeds that do so. Breed standards for the Araucana vary from country to country.
The Euskal Oiloa, Spanish: Gallina Vasca, is a breed of domestic chicken from the autonomous community of the Basque Country in north-eastern Spain and south-western France. . It is the traditional rural chicken of the area, a rustic dual-purpose breed of Atlantic type, and differs from Mediterranean Spanish breeds such as the Castellana Negra and the Minorca in several respects: it has yellow ...
It is a good egg-laying breed, rustic and disease-resistant. It was formerly widely kept and commercially exploited in Spain. Since the advent of imported commercial hybrid layer chickens and the spread of highly intensive chicken farming methods, it has almost disappeared.
Illustration of thirty-nine varieties of chicken (and one Guinea Fowl) . There are hundreds of chicken breeds in existence. [1] Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to ...
This is a list of some of the chicken breeds considered in Spain to be wholly or partly of Spanish origin. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively Spanish. [1] [2]
The Spanish or White-faced Black Spanish, Spanish: Cara Blanca or Española Cara Blanca, is a breed of domestic chicken which originated in Spain, but was largely bred to its present type in Great Britain in the eighteenth century. It is an older breed than the Minorca. It is distributed throughout the world, but is rare in Spain.
Double-yolk eggs, when an egg contains two or more yolks, occurs when ovulation occurs too rapidly, or when one yolk becomes joined with another yolk. [ 29 ] Yolkless eggs , which contain whites but no yolk, usually occurs during a pullet's first effort, produced before her laying mechanism is fully ready.
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics.