It’s not every day that a Guinea pig gets a birthday party, let alone a whole country celebrating its 20th anniversary! But in Peru, that’s exactly what happened with the “Peru” guinea pig breed, a genetically modified wonder that has become something of a local celebrity. For those unfamiliar, guinea pigs aren’t just adorable pets here—they’re a part of the cultural fabric and the dinner table. Let’s take a deeper dive into why this fluffy little rodent is such a big deal in the land of the Incas.
Meet the “Peru” Breed

The star of the show is no ordinary guinea pig. The “Peru” breed was created in 2004 at the National Institute of Agrarian Innovation. Designed to grow faster and larger, this breed can reach a hefty 1 kilogram in just 56 days. That’s a huge leap from the 160 days it would normally take! Thanks to these efficient little creatures, local farmers can raise them quicker, making them a popular choice for both research and consumption. Juan Solórzano, a research zootechnician, proudly called the breed “precocious” for its quick growth.
Why Guinea Pigs Matter in Peru
For many people, guinea pigs might seem like the perfect pet to cuddle, but in Peru, they’ve been a food source for thousands of years. These rodents, known locally as “cuy,” are native to the Andes and have played an important role in the diet of Andean people. Imagine growing up with cuy on your plate during festivals, sporting events, or even religious ceremonies. It’s not just food—it’s a tradition, a cultural treasure, and for some, a delicacy.
A Dish with Deep Roots
Guinea pigs have been part of Andean cuisine long before Peru was even a country. When the Inca Empire spread through South America nearly 500 years ago, they brought their love of cuy with them. The tradition stuck and evolved, and now, eating guinea pigs is as Peruvian as eating sushi is Japanese. It’s common to see these critters served up crispy and golden at major celebrations, a symbol of heritage and festivity.
Guinea Pig Day: A National Holiday

In Peru, guinea pigs are so beloved that they even have their own day—National Guinea Pig Day! Every second Friday of October, Peruvians celebrate this rodent as both a culinary and cultural icon. It’s a day to enjoy the festive dish and encourage its consumption. Think of it as Thanksgiving, but instead of turkey, it’s guinea pig on the menu. From the Andes to the coastal cities, this little animal brings everyone together for a feast.
The Journey from the Andes to the Coast
Guinea pigs have a long history in Peru, especially in the Andes mountains. But during the 20th century, internal migration brought Andean traditions, including cuy consumption, to the Pacific coast. Now, whether you’re in the mountains or by the sea, you’ll find guinea pigs being enjoyed at local celebrations and family gatherings. It’s become a cross-regional staple, tying different parts of the country together through shared customs.
A Delicacy for Special Occasions
Cuy isn’t your everyday meal. According to Marina Isabel Briceño, a proud cuy-lover, it’s a delicacy best served at baptisms, weddings, and other important events. In her hometown in Cajamarca, guinea pigs are often fried to crispy perfection and gifted to godparents during baptisms. Briceño recalls receiving trays of guinea pigs as a child and remembers how special they tasted—an event tied to family and tradition, as much as to flavor.
Not Your Average Rodent

Let’s address the elephant—or guinea pig—in the room. Yes, cuy is technically a rodent, but before you wrinkle your nose, hear this: These little guys are different from rats. Guinea pigs feast on tender corn leaves, which gives their meat a unique, tasty flavor. Unlike their city-dwelling relatives, who rummage through garbage, guinea pigs are raised with care. As Briceño humorously put it, “That’s why they’re tasty!” So, before you judge, maybe give them a try.
Ritual Healing and Guinea Pigs
Beyond their place on the dinner table, guinea pigs are also used in Andean healing rituals. In traditional medicine, healers use guinea pigs to diagnose illnesses by rubbing them over a sick person’s body. It’s believed that the guinea pig can absorb the illness or identify the source of the problem. Whether you believe in it or not, it’s a testament to how deeply rooted this animal is in Peru’s culture, not just as food but as a part of its spiritual traditions too.
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