Fennel (Foeniculum vulgare) can have a positive effect on respiratory problems. In addition, fennel can have positive effects on gastrointestinal disorders and generally have an antibacterial and antioxidant effect. Fennel can also support the immune system. A brand new study showed a good effect on the hormonal balance of mares and are therefore definitely worth a try if the mare is very heaty or a pregnancy is intended.
