Can Old Hay Make Horses Sick?

Hay with mold is dangerous for horses to eat; it can be toxic, and cause colic and respiratory diseases like heaves. Many types of molds can grow in the hay, and each causes different reactions.

What are the symptoms of a horse eating moldy hay?

Why Is Moldy Hay Dangerous?

• Coughing.
• Nasal discharge.
• Increased respiratory rate.
• Labored breathing.
• The presence of a “heave line” caused by abdominal muscles enlarging to help with breathing.

Can horses colic from moldy hay?

What should you do? Moldy hay can cause digestive upset that can lead to abdominal pain (colic), sometimes serious. In rare cases, hay containing toxic molds can cause life-threatening illness.

Can hay make a horse sick?

High moisture hay can also lead to the proliferation of bacteria, molds and fungus that can produce mycotoxins that are dangerous to horses and other livestock species. Some forage laboratories will test for the presence of mold and mycotoxins. If hay is moldy, do not feed it.

Can horses eat this years hay?

Hay doesn’t come stamped with an expiration date, so sometimes it’s hard to know when to use it and when to toss it. Consider these points: If the hay was of good-quality when harvested and stored in a dry place with sufficient airflow, hay is likely suitable for consumption for two to three years.

Can horses eat rotten hay?

Don’t feed moldy hay to horses. Most moldy hay problems are from mold spores, which can produce respiratory disease in horses. Many of the common mold toxins develop in the field during a delayed harvest. If you suspect a mold toxin problem, review your horse’s nutrition and health.

How do you know if horse hay is bad?

Signs that your horse hay may be bad include a lack of color or dried-out appearance, a moldy smell, excessive dust, visible mold, or excessive heat towards the center of the hay bale. Because hay provides your horse with so many essential nutrients, you must provide your horse with the best quality hay available.

What are the symptoms of botulism in horses?

What are the clinical signs of botulism?

• The main sign is flaccid paralysis (weakness with decreased muscle tone).
• Some affected horses may just spend more time lying down.
• Other signs of paralysis involve the eyelids and tongue.
• Once the horse is recumbent, issues with bladder paralysis and colic can result.

Can horses get botulism from hay?

Figure 1: Horses eating from round-baled hay are more susceptible to developing botulism, especially if the hay was not baled appropriately or if a dead animal was baled together with the hay. Botulism is a deadly disease caused by the toxins produced by the bacterium Clostridium botulinum.

Will horses avoid eating moldy hay?

Horses will eat moldy hay, especially if they have no alternative forage, but consuming moldy hay is dangerous and can cause digestive and respiratory diseases.

Can moldy hay make a horse cough?

Horses that suffer an allergy to hay can be allergic to either the hay dust or to the mold that can grow in the hay. Signs of wheezing, sneezing and coughing are indications that your horse is having an allergic reaction to airborne dust or mold.

What hay should horses not eat?

Types of Hay for Horses—What to Avoid

• Perennial ryegrass and rye.
• Dallisgrass.
• Argentine bahiagrass.
• Johnsongrass, Sorghum grasses/Sudangrass.
• Switchgrass, which causes photosensitivity, peeling skin, mouth ulcers and liver disease.
• Foxtail Millet (aka German Millet) and Meadow foxtail.

Can horses get salmonella from hay?

Horses can pick up bacteria when they eat grass or hay, drink water, or come in contact with surfaces that have been contaminated by manure from an infected animal. Are some horses more susceptible than others? Any horse can pick up a Salmonella infection.

Is last years hay good for horses?

Hay Storage
Hay will lose nutritional value the longer it is stored. However, hay can be fed the second year after it is cut as long as it is dry and free from mold. The lower the moisture content the longer it can be stored with less chance of mold and spoilage.

How old should hay be for horses?

So how soon can you feed new hay? If the hay is cut and bailed in perfect conditions with less than 12% moisture in the bale, it should be safe to feed straight away. But due to how hard this is to get accurate; it is recommended to wait 2-8 weeks before feeding.

Does hay go out of date?

Hay is a natural product that doesn’t expire in the traditional sense of the term. When stored in the proper conditions, hay will retain its nutritional value for many months. Hay is required to feature a “freshest by” date that you will typically find on the back side of your hay packaging.

Does old hay lose its nutritional value?

Losses During Storage
The longer it stays in a barn, the more nutrition it loses. In fact, after just a few months, the losses will start, and within a year it could lose 5% of its value. This includes protein, fiber, vitamins, sugars, and minerals. From there, hay does not lose nutrition that much.

What can I do with old rotten hay?

Chop or shred spoiled hay and add it to your garden soil in the fall as an organic soil amendment. Work it into the soil with a garden tiller or hand tools and let nature take its course in breaking down the bits of hay. Organic matter improves soil by increasing aeration, improving drainage and adding nutrients.

Is Brown hay OK for horses?

Yellow throughout: it was overly mature when cut, which indicates reduced nutrient value and palatability to horses. Dark-brown or black: stay away. Hay this color was baled when wet, and doesn’t offer adequate nutrition. It also could make your horse sick.

Does hay go bad if kept dry?

Hay can go bad. It’s unfortunate, but it’s a fact. Even though it’s obviously dry, you always want to make sure it’s fresh Timothy hay.

Can old hay self combust?

When hay’s internal temperature rises above 130 degrees Fahrenheit (55 degrees Celsius), a chemical reaction begins to produce flammable gas that can ignite if the temperature goes high enough. Fire is possible in hay that’s loose, in small or large bales or stacks, and stored inside or outside.