Haylage is a good substitute for hay and excellent for feeding to horses with dust allergies and equine respiratory problems. Haylage also has a higher nutritional value than hay. You will not need to feed as much haylage to your horse as ordinary hay since haylage has a higher nutritional value. So, if you feed the same amount of grain and haylage as you did hay, then the horse will have more energy than required and result in the horse being a little too frisky, as you say. To meet his minimum daily requirement for roughage, a 1,100-lb horse would need about 15 to 19 lb of haylage because haylage has a higher moisture content. Since it does have this moisture content, do make sure that it is not moldy when you are feeding it. Consider weighing the haylage to get the correct amount until you get accustomed to estimating the amount of haylage accurately.

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