Guinea-pig

From WikiMD's Food, Medicine & Wellness Encyclopedia

Guinea Pig

The guinea pig (Cavia porcellus), also known as the cavy or domestic guinea pig, is a species of rodent belonging to the family Caviidae and the genus Cavia. Despite their common name, these animals are not in the pig family, nor are they from Guinea. They originated in the Andes of South America and studies suggest they were domesticated as early as 5000 BC for food. Guinea pigs play a significant role in the cultural practices of many Indigenous South American groups, and they continue to be a popular choice as a pet in many Western countries.

History[edit | edit source]

The domestication of guinea pigs began in the Andean region of South America, where they were kept by various Indigenous peoples for ceremonial purposes and as a source of food. The animals were later introduced to Europe in the 16th century by traders and quickly became popular as exotic pets among the upper classes and royalty, including Queen Elizabeth I of England.

Biology and Behavior[edit | edit source]

Guinea pigs are social, herd animals and require the company of other guinea pigs to thrive. They communicate through a variety of sounds such as wheeking, purring, and rumbling. Physically, they have stout bodies with no tail, and their fur can vary in color and length depending on the breed. Guinea pigs typically weigh between 700 and 1200 grams and have a lifespan of 4 to 8 years.

Their diet is herbivorous, consisting mainly of hay, fresh vegetables, and a small amount of specially formulated guinea pig pellets that include Vitamin C, which they cannot produce naturally. A lack of Vitamin C can lead to scurvy, a common health issue in guinea pigs.

Breeds and Varieties[edit | edit source]

There are several breeds and varieties of guinea pigs, distinguished by their coat type and color. Popular breeds include the American Guinea Pig, which has a short, smooth coat; the Peruvian Guinea Pig, known for its long, silky hair; and the Abyssinian Guinea Pig, characterized by its unique rosettes of fur.

Guinea Pigs as Pets[edit | edit source]

Guinea pigs are popular pets due to their docile nature, ease of care, and the strong bonds they can form with their owners. They require a spacious cage, a diet rich in fiber, regular grooming (especially for long-haired breeds), and daily interaction. They are also known for being relatively quiet and clean animals.

In Research[edit | edit source]

Guinea pigs have been used in scientific research since the 17th century and have contributed to many medical breakthroughs, including the development of vaccines. However, their use in research has declined with the advent of other model organisms, such as mice and rats, which reproduce more quickly and are easier to genetically manipulate.

Cultural Significance[edit | edit source]

In addition to their role as pets and research animals, guinea pigs hold cultural significance in several South American countries, where they are still raised for food and used in traditional healing rituals.

Conservation[edit | edit source]

While domestic guinea pigs are abundant, some of their wild relatives are considered to be at risk due to habitat loss and other environmental pressures.

Guinea-pig Resources
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Contributors: Prab R. Tumpati, MD