Calving alerts
Calving alerts and monitoring for British herds
HerdHalo Calve is a no-SIM calving-alert and activity-monitoring tag that helps you spot the cows that may need attention through late pregnancy and calving — as part of one farm-owned system, not another single-purpose sensor.
What a HerdHalo calving alert does
HerdHalo Calve monitors activity and movement patterns and alerts you to attention-worthy changes during calving windows, so you can check a cow, intervene, or call the vet sooner. It is an alerting and monitoring aid — it does not diagnose pregnancy and does not replace stockmanship, veterinary advice or direct animal checks.
No SIM in the tag — built for patchy signal
Many calving sensors rely on mobile signal at the animal. HerdHalo Calve has no SIM card in the tag: it reports into a farm-owned network, so it is designed to keep working across sheds, yards and fields where mobile coverage is poor.
- No SIM card in the tag and no per-animal mobile contract
- Designed for sheds, yards and fields with patchy signal
- Reusable and built for mud, rain and daily farm use
A whole-farm network, not a standalone sensor
HerdHalo deploys a whole-farm network that every device connects to — calving tags, location tags and gate sensors alike — without a cellular or satellite connection of its own. That eliminates the SIM and the per-device subscription in every tag: one farm-owned network and one system (a web platform and mobile app), rather than a separate device and contract for each job.
Frequently asked questions
- Is HerdHalo Calve a calving sensor?
- It is a no-SIM calving-alert and activity-monitoring tag. It is an alerting and monitoring aid — it does not diagnose pregnancy and does not replace stockmanship, veterinary advice or direct animal checks.
- How is it different from a standalone calving sensor?
- Most calving sensors are single-purpose and rely on mobile signal. HerdHalo Calve runs on a farm-owned network with no SIM in the tag, is designed for farms where mobile signal is patchy, and is part of one system that also covers livestock location and gate-open alerts.
- Does the calving tag need a SIM card?
- No. Calve tags connect to your farm's own HerdHalo network — there is no SIM in the calving tag and no mobile contract for each cow.
- When is it available?
- HerdHalo Calve is preparing for pilot deployments on selected British farms. Register as a founding farm to be first in line for calving alerts.
Want calving alerts on your farm? Become a HerdHalo founding farm.