Can Horses Die From Eating Too Much Grass?

by | Last updated on January 24, 2024

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Lush, young spring grass is tempting to your horse after a long winter of hay and grain, but eating too much of it can bring on serious abdominal pain known as colic. As with the founder that also can follow too much spring grass consumption, moderation is the key to prevention of grass colic.

Can I feed my horse just grass?

Many pleasure and trail horses don’t need grain:

good-quality hay or pasture is sufficient

. If hay isn’t enough, grain can be added, but the bulk of a horse’s calories should always come from roughage. Horses are meant to eat roughage, and their digestive system is designed to use the nutrition in grassy stalks.

Can a horse just eat grass?

Horses naturally want to graze all day and should eat little and often. Grass –

horses love grass

. It’s their natural food and great for their digestive system (although beware of your horse eating too much lush grass in spring as this can cause laminitis).

Can horses survive off of grass?


Horses can live on hay or grass alone

. Both provide great sources of carbohydrates, vitamins, protein, and even healthy antioxidants. However, horses do not always get the best possible nutrition from hay or grass alone, so you should supplement their diet with more nutritious foods.

Is it bad for horses to eat wet grass?

If you’ve recently mowed your pasture grass and it’s still wet, it’s best to keep your horses away until it dries out. Horses can eat cut grass that is dry, but

quickly eating wet grass can cause dangerous health concerns

. However, with early diagnosis and proper treatment, your horse can typically fully recover.

What are the signs of grass sickness in horses?

Clinical signs include

dysphagia, generalized ileus, colic, patchy sweating, salivation, ptosis, rhinitis sicca

What grasses can horses not eat?


Sorghum, Sudangrass, Johnsongrass, Sorghum-Sudangrass hybrids

all should NOT be used for equine / horses. Horses can develop paralysis and urinary disorders from grazing these species. Hay from these species is considered safe for feeding.

Can a horse live off just hay?

So to answer your question, yes,

a horse can live on just hay

and be perfectly healthy.

What do horses eat naturally?

The natural diet of the horse is

pasture grass and tender plants

. Good pasture contains most of the nutrition a horse requires to be healthy. It also contains silica, which is important for dental health.

Is it okay for a horse to be out in the rain?


A horse who kicks the walls until he’s damaged a leg is no better off than a wet horse out in the rain

. A gentle or even a steady rainfall likely won’t jeopardize a horse’s health. A cold rainfall would probably call for at least a run-in shed. A chance for severe lightning or winds could be life-threatening.

How long after cutting hay can horses graze?

In perfect conditions — where the hay has been baled at less than 12% moisture and is very dry — it is safe to feed straight away, but this isn’t often the case, Tim explains: “The main reason for allowing a period of anywhere

between two and eight weeks

before feeding freshly made hay is to allow for a process called …

Why are grass cuttings bad for horses?

Horses can not eat fresh-cut grass because they

gobble it without properly chewing the grass

, leading to severe health issues. Clumps of cut grass also attract mold and bacteria, resulting in severe and sometimes fatal stomach problems for horses when ingested.

Can a horse recover from grass sickness?


Horses with acute grass sickness do not recover

. Chronic grass sickness is generally insidious in onset. Dysphagia occurs to a varying degree and, as in the acute disease, swallowing appears to be difficult.

What is the most common disease in horses?

  • Flu.
  • Colic.
  • Tetanus.
  • Equine encephalitis.
  • Babesiosis (piroplasmosis)
  • Mumps.

What should you never feed a horse?

  • Caffeine: Coffee, tea and cola contain the stimulant caffeine (trimethylxanthine) which can cause an irregular heart rhythm.
  • Chocolate: …
  • Garlic and onions: …
  • Tomatoes: …
  • Fruit seeds and pits: …
  • Dog and cat kibble: …
  • Potatoes: …
  • House plants:
David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.