Calendula is a type of medicinal plant with great benefits. It contains high percentages of iron, which is considered "anti-anemic". It also helps to improve liver function and strengthens the immune system.

For all these reasons, hay with marigold is highly recommended as the basis of any rodent's diet. Remember that hay is an essential part of their diet, as it ensures that their digestive system functions correctly and should make up at least 70% of their diet.