Reproduction and Genetics

Tall fescue grass can contain toxins that cause reproductive problems in late-term broodmares. Learn about the risks of grazing pregnant mares on tall fescue and what you can do to reduce the risk of health problems.

While tall fescue is not harmful to most horses, pregnant broodmares can develop fescue toxicosis if they eat endophyte-infected tall fescue.

Decisions to consider prior to breeding your mare.