AJ Cavies


The guinea pig has a large digestive system to process all the food it loves to eat. First the food enters the stomach where it is mixed with digestive juices and any sugars and fat are absorbed by the intestines. Then the rest of the food passes into the caecum, which is a huge fermentation vat which takes up 50-75% of the space inside the guinea pigs abdominal cavity! Guinea pigs then produce two types of droppings, the hard ones which they leave around the cage for you to clear up, and soft ones known as caecotrophs which are full of protein and vitamins and these the guinea pig eats directly from its bottom. It may produce up to 150 of these caecotrophs to eat a day!

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The structure of a Guinea Pig's eye

Female Reproductive Tract

Male Reproductive Tract