Hay vs haylage: which conserved forage to choose

Conserved forage is the basis of a horse's diet when pasture is not available. The two main forms are hay (dry) and haylage or silage (wet and fermented). Each has advantages depending on the horse and conditions. This comparison reviews them.

Comparison Chart

Characteristic	Hay (dry)	Haylage (wet)
Moisture	Low (dry)	High (fermented)
Dust	More, unless soaked	Very low
Respiratory Suitability	Worse if dusty	Better (dust-free)
Preservation	Long if dry and aired	Sealed; spoils quickly once opened
Risk	Mold if stored damp	Botulism if fermentation fails
Handling	Simple	Requires care when opening and quick use

Conclusion

Quality hay is the traditional, practical, and long-lasting standard, though it can be dusty. Haylage is excellent for horses with respiratory problems due to its lack of dust, but it requires more care: faulty fermentation can be dangerous, and once opened, it must be consumed quickly. The choice depends on the horse (especially its respiratory health) and storage conditions.

Frequently Asked Questions

Is haylage better for horses with asthma?

Its lack of dust makes it favorable for respiratory problems, compared to dusty hay. Soaked hay is an alternative.

Is haylage dangerous?

Faulty fermentation can cause serious problems (botulism). Quality product must be used and consumed quickly after opening.

Can I switch from hay to haylage without a transition?

Not abruptly. Any change in forage must be gradual, over 7-10 days, to avoid digestive upset.