Sentinel Bolus
Sentinel Bolus
A rumen-resident bolus that tracks core body temperature and rumination around the clock, flagging fever, heat stress and estrus before symptoms show.
Core Temperature
Continuous inner-body temperature for early fever and heat-stress alerts.
Frequently asked questions
The Sentinel Bolus is Verdant Impact's rumen bolus for cattle — an in-rumen sensor that sits inside the animal's rumen and continuously monitors cattle health from within.
A rumen bolus is an ingestible sensor capsule that stays in a cow's rumen (the first stomach compartment) and measures core body temperature, pH and rumination from inside the animal — catching fever, acidosis and heat before outward symptoms show. Sentinel Bolus by Verdant Impact is a rumen bolus made for Indian cattle.
Rumen temperature, pH and rumination activity — around the clock.
It flags illness and heat (estrus) days early, so treatment and breeding happen at the right moment instead of after losses.
Cattle. The bolus is placed in the rumen and keeps working continuously once administered.
The Sentinel Bolus is listed at ₹250 on the Verdant Impact website, making it practical to sensor an entire herd.