What is considered the most important winter feed for horses?

Hay is considered the most important winter feed for horses because it serves as a primary source of forage when fresh pasture is unavailable. During the winter months, grass typically goes dormant, and horses require a high-fiber diet to maintain their digestive health. Hay provides necessary roughage that promotes proper gut function and prevents colic.

Additionally, good quality hay is rich in nutrients that horses need to sustain their energy levels and overall health during colder months. It usually contains essential vitamins and minerals that can help meet the horse's dietary requirements, especially when they are unable to graze on fresh grass.

In contrast, grain, silage, and pasture do not offer the same benefits as hay during winter. Grain may be provided as a supplement but should not be the primary feed, as it can lead to digestive upset if fed in excess without adequate roughage. Silage is a less common option and may not be suitable for all horses, especially since it can have higher moisture content and is typically used for ruminants rather than equines. Pasture is not available during winter, making hay the most reliable and essential feed during this season.