Vaccination is an integral part of your horse’s health care program. Young foals and elderly animals, particularly those with pre-existing lung disease, can suffer fatal pneumonias. 2. It is found in the intestinal tract, faeces and soil where the spores can survive in the environment for many years. Finally, all weanlings were simultaneously challenged intranasally with virulent EHV-1 Army 183 (A183). Horse owners will also need to determine the amount of risk that they want to assume when deciding on whether or not to vaccinate. Environment also plays a role in several ways.
The toxin produced by the bacteria produces painful muscle spasms eventually cause paralysis and death. An ideal time to do this is with your horses annual vaccinations. After the initial course of 2 injections, booster doses are only required every two years. Consult your equine veterinarian on the best programme for your horse. Depending upon the strain, between 20 and 100% of infected horses die. The incubation period for equine influenza is only 1–5 days, with many horses remaining infectious for 3–6 days after the onset of clinical signs. If not possible, get the name of the vaccine, the manufacturer and the vaccine’s lot number.
Will this event produce laminitis (founder) with rotation or change to the position of the coffin bone in the foot? In rare occasions, exposed mares may give birth to a live foal. Due to the disease’s potential to severely disrupt all equine activities, most reasonably sized equine events will insist that all horses entered are vaccinated against flu. Until further information is available, I would suggest initial vaccination at 5 and 6 months of age followed by a booster every 3 years. Equine Herpes Virus: We recommend vaccination of pregnant mares in the 5th, 7th and 9th months of pregnancy. This is a highly contagious respiratory tract infection that spreads by direct contact between horses and ponies. Following the initial course, booster injections should be given at least every one to three years, depending on the vaccine manufacturer’s instructions so check with your vet who will advise you on the relevant booster interval for your horse.
The disease is fairly common and appears to be increasing in prevalence in the UK. Infected horses normally have a high temperature, a purulent nasal discharge and swollen lymph nodes in their head and neck. It can be transmitted from infected horses to humans. Tetanus is caused by the bacterium Clostridium tetanii which can be found in soil and droppings just about everywhere. This is called ‘bastard strangles’ and can be difficult to treat. Hendra virus can be prevented by vaccination. Revaccination is carried out every three months to maintain immunity.
West Nile virus (WNv) is spread by mosquitoes and causes encephalitis in humans and horses. On P.E.I., there have only been two reported cases of the dumb form of rabies in foxes about five to six years ago, while Nova Scotia has reported several forms of bat rabies. Most horses and ponies will recover from this without complication but, like flu it can result in your horse being unable to be exercised for several weeks. The disease is fairly common and appears to be increasing in prevalence in the UK. Some horses can recover from the neurological form of the disease, but unfortunately some do not and have to be put down. Rabies is caused by a virus transmitted by the bite of infected carnivores. Most frequently used.
If necessary, soak hay for around 30 minutes in clean water, to help reduce exposure of the lungs to dust and other particles. On years when mosquito populations bloom and there are plenty of bird hosts around, we’ll see clinical cases of these viruses. For many years, the Mayhew neurologic grading system has been used to stage the initial disease and progression of treatment. Russ Daly, SDSU Extension Veterinarian Russell.Daly@sdstate.edu.