![Signs and Symptoms of Strangles Signs and Symptoms of Strangles](https://www.feedmark.eu/images/thumbs/0028290_strangles_800.jpeg)
Strangles is the most commonly diagnosed equine infectious disease worldwide. It is an extremely contagious illness that affects the upper respiratory tract and is caused by a bacteria called Streptococcus equi. But would you know what symptoms to look for in your horse?