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Knowing precisely when a cow is going to calve can allow farmers to be on top of health and management, reducing risks to both the cow and calf. Until recently, that has required either regular manual monitoring of a cow’s temperature or investment in vaginal monitors, but now a multipurpose bolus is making the whole process easier. The bolus constantly measures body temperature and movement, making it suitable for monitoring calving, bulling, health, lameness and a variety of other factors. […]