What does EHV 1 do to horses?

EHV-1 routinely causes upper respiratory infection in young horses (weaning, yearlings, and 2-year-olds) resulting in depression, a snotty nose, loss of appetite and a persistent cough. If a number of young horses are housed or pastured together, most will become sick and then recover uneventfully.

What happens when a horse gets EHV-1?

The signs of neurologic EHV-1 infection range from mild hind limb ataxia (lack of coordination) to urine dribbling and inability to void the bladder properly, loss of sensation around the tailhead and thighs, weakness in the hind limbs severe enough to cause difficulty in rising, and weakness severe enough that the …

Can a horse recover from EHV?

In most cases, horses exposed to EHV-1 will develop a fever and possibly nasal discharge and then go on to recover. However, the neurologic EHM strain has a high mortality rate of 30-50%. Recovery time can vary from several days to more than a year.

Is there an EHV-1 vaccine for horses?

A single manufacturer provides a licensed modified live EHV-1 vaccine. It is indicated for the vaccination of healthy horses 3 months of age or older as an aid in preventing respiratory disease caused by equine herpesvirus type 1 (EHV-1).

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How does a horse get EHV-1?

The transmission of EHV-1 occurs after an exposure to an adult horse or foal with an active EHV-1 viral infection. This exposure generally occurs via respiratory shedding of the virus. The infected adult horse or foal may or may not be exhibiting clinical signs of disease.

Can humans get EHV-1 in horses?

EHV-1 is not transmissible to humans. How is the virus shed from an infected horse? Horses infected with EHV-1 shed the virus in their nasal secretions.

How long can EHV live on surfaces?

Because EHV-1 can spread through contact with surfaces harboring the virus, you must know how long the germ stays viable on surfaces. Surfaces can keep the virus alive up to seven days in normal conditions and up to a month in ideal settings.

When do you vaccinate for EHV?

To reduce the incidence of abortion due to EHV-1 infection, pregnant mares should be vaccinated during the 5th, 7th and 9th month of pregnancy with a single 1.5 ml dose on each occasion.

How often do you vaccinate for EHV?

The American Association of Equine Practitioners (AAEP) recommends EHV vaccination every 6 months for competing horses. Some vaccine suppliers recommend vaccinating every 3 months.

Is EHV-1 a notifiable disease?

EHV is not a notifiable disease by law – however, horses that show clinical signs or have been in recent contact with the disease should not be exported. Good stud management is essential in the prevention of EHV. Pregnant mares should be kept separate from all other stock (e.g. yearlings, horses out of training).

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Should I vaccinate against EHV?

There is no vaccine registered to prevent EHV-1 neurological disease. Vaccination is especially recommended for horses under the age of five as they may be particularly susceptible to respiratory disease caused by EHV-1. Vaccination can also help reduce the amount of virus shed by an infected horse.

Why is my gelding dribbling urine?

In geldings and stallions, the penis may also be paralyzed. LMN damage leads to loss of detrusor function and overflow incontinence. In these cases the bladder is full with relaxed urethral sphincters, which results in urine dribbling because of overflow from the bladder.

What does strangles do to horses?

Strangles is a highly contagious disease of the equine upper respiratory tract caused by the bacterium Streptococcus equi subspecies equi (S. equi). The bacteria cross mucous membranes in the nose and mouth to infect lymph nodes where they cause abscesses that can eventually rupture.