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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 ...
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 Blue Andalusian, Spanish: Andaluza Azul, is a breed of domestic chicken indigenous to the autonomous community of Andalusia in south-west Spain. It is distributed through much of the countryside of Córdoba and Seville , and is concentrated particularly in the area of Utrera , which is considered the heartland of the breed.
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]
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 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.
As is the case with chickens, various breeds have been developed, selected for egg-laying ability, fast growth, and a well-covered carcase. The most common commercial breed in the United Kingdom and the United States is the Pekin duck , which can lay 200 eggs a year and can reach a weight of 3.5 kg (7 lb 11 oz) in 44 days. [ 34 ]