An animal with a saturated fatty acid to polyunsaturated fatty acid ratio of will have the best hibernation performance.

The answer is less than 1:5, but the typical western diet is now between 1:20 and 1:50. When a fatty acid is described as being saturated, it means that it contains only single bonds between its carbon atoms, this means the source is high in saturated fats and intake should be limited and should be monitored.