Heat Detection


Increasing your 6 week in-calf rate is one of the best ways to improve productivity and profitability on your dairy farm.

The main benefits of a tighter 6 week calving pattern include:
• More milk earlier
• Cows recover sooner
• Cycle sooner
• Quality cycles sooner – with more AI cycles and reduced empties

Top farmers achieve a 6 week in-calf rate of around 75% and the industry target is 78%. The national average is 65%. (source: DairyNZ).

Accurate heat detection is a key factor in achieving a tight calving pattern.

What is heat detection?

The most critical aspect of the entire breeding programme is identifying every day those cows that are exhibiting heat behaviour. This represents a major success for the entire seasonal production system.

The challenges, however, with current heat detection methods such as tail paint, kamars, scratchies and neck collars or anklets, include:

  • Untrained labour
  • High labour requirements
  • Retention of detection devices
  • Accuracy of devices.

Gallagher's FlashMate™ Electronic Heat Detector - addresses all of these challenges and adds value beyond just heat detection.

Boost your farm’s productivity with Gallagher’s FlashMate™ Electronic Heat Detector

FlashMate™ Electronic Heat Detector is a new disposable electronic heat alert product that when applied monitors riding activity 24/7 and works out when a cow is in standing heat.

How it works

Based on hundreds of hours of research, the smarts inside FlashMate™are looking for specific patterns of riding activity such as frequency, number and length.



Heat Pattern Detected - FLASHES RED
Flashmate flashes red for 26 hours once the right heat activity pattern is detected to indicate the cow is ready for artificial insemination

No Subsequent Heat Pattern - FLASHES GREEN*
Once AI’d if the same cow does not come back into heat within 25 days, Flashmate will flash green to indicate possible conception

Subsequent Heat Pattern - FLASHES RED*
If the same cow returns to heat again Flashmate will again flash red.

Why does Flashmate offer farmers such a large return on investment?

While the financial returns are reason enough for dairy farmers to get excited, there are many other benefits to using Flashmate:

  • Higher 6-week in-calf rate – early test results proving increase in 6-week in calf rates
  • Easy application – the units are extremely easy to apply and maintain
  • Detects multiple heats – will flash red again for the next detected heat cycle if AI has failed
  • High retention – as a result of research into the best place for application, units can typically be retained throughout the mating season*
  • Improved accuracy - smarter detection, looking for patterns (length, time, frequency) rather than what could be a single event
  • Operates 24/7 and looks for spikes in contact activity, a large % of mounting activity happens at night
  • Low experience required - Needs significantly less understanding and skill in correctly identifying heats, yet improves on what the best human operators are capable of – anyone can do it allowing time off during mating season.

* during spring moulting ensure re-application to maximise retention - lift all devices and re-glue.

Flashmate on Cow

Learn more about Heat Detection

Flashmate on Cow- Close Up

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‘Flashing Beacons’ Simplify Heat Detection On Waikato Farm | Gallagher New Zealand

Cambridge farmer Garry Reymer has always believed that accurate heat detection is the most important factor for successful dairy farming.

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Mating made simpler thanks to Flashmate Electronic Heat Detector alerts | Gallagher New Zealand

A Te Awamutu dairy farm manager Mike Anderson, used Flashmate during mating time for his 520 cow herd. Mike and…

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Gallagher Group  181 Kahikatea Drive, Private Bag 3026 Waikato Mail Centre,
Hamilton 3240, New Zealand
Freephone: 0800 731 500 Phone: +64 7 838 9800

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