All Natural Herbs for Bacteria in Horses Does your horse have symptoms that bacterial or an infection is present? Bacteria come in many forms and can affect your horse in many ways. An infection can grow in your horse’s intestines, joints and even be carried in his or her blood. It can affect performance and worse, cause death. Here at Silver Lining Herbs our specially formulated herbs are designed specifically for bacterial infections in horses. World-renowned equine veterinarians already recommend our NASC approved supplements for horses, and soon, you will be too.