I doubt it, even though its a plant. Horses mainly eat grasses of various sorts and i don't think plam fronds come under that category. If your horse is eating them I recommend that you remove them from your horses reach. It could be harmfull.
Palm fronds are defined as compound leaves - large, divided leaves - of a palm tree.
Palms in the desert do in fact have fronds, and example is the Date palm
Ferns have fronds. Fronds are the large, divided leaves on ferns that are typically used for photosynthesis. Other plants that have fronds include horsetails and some types of palms, such as the popular houseplant, the parlor palm.
They are called Palm Fronds.
You can use palm fronds to thatch,or cover, the roof of your hut.
Fronds.
To safely and effectively trim palm trees by cutting palm fronds, use sharp and clean tools, wear protective gear like gloves and goggles, and only trim fronds that are dead or damaged. Avoid cutting healthy fronds as they are essential for the tree's health. Trim fronds at the base near the trunk to promote new growth and maintain the tree's appearance.
They harvested the palm fronds.
Fronds
fertilizer, shelter and religious ceremonies
Palm fronds turn yellow due to a lack of nutrients, water, or sunlight. This can be caused by overwatering, poor soil quality, or insufficient light exposure.
Yellowing palm fronds can be caused by various factors such as nutrient deficiencies, overwatering, underwatering, pests, or diseases. It is important to identify the specific cause in order to address the issue and restore the health of your palm tree.