Home Grazing Management Fencing Batt-Latch Lets Your Animals Move Themselves!

Batt-Latch Lets Your Animals Move Themselves!


batt-latch-hi-res-in-useBeing a farmer is simply one of the busiest human activities so, what grazing farmer wouldn’t benefit from an automatic gate opener?

We recently learned about this useful device with the ability to automatically open gates. It is called a ‘Batt-Latch.’ A Batt-Latch is an electronic locking device (developed by NZ company Jenquip), that incorporates a timer that can release the gate latch at a specified time to open a gate into another paddock. It’s a solar-powered all-weather device that releases an attached spring-gate or tape-gate at a preset time, and is especially suited to the release of grazing animals in pastured and feedlot situations.

With the addition of an optional pipe gate adapter, the Batt-Latch can be used to open almost any type of farm gate. Besides grazing stock applications, it can be used for release of free-range chickens and almost any application that can be initiated by a mechanical switch or release.

Once trained, animals quickly learn to move themselves onto the next paddock. A series of Batt-Latch units can be set up increasing animal moves daily, enhancing grazing efficiency and saving farmers’ precious time.

How does it work?

Once you know how many animals will graze a given area and you have calculated how much dry matter per day is available for their needs, preset paddocks can be established in sequence. Batt-Latch devices are placed to secure the gate of each paddock. Once the timer completes its cycle the latch opens, releasing the gate, allowing animals to walk into the new paddock. Animals will learn quickly and will move themselves as many times a day as the Batt-Latches are set, increasing forage efficiency and animal gain..

This way, farmers can have time to do other chores without worrying that animals won’t have enough to graze. This video, by David Nortunen at Hidden Vue Farm in northern WI, shows how the process works.

With a Batt-Latch device, livestock producers have the convenience of relying on an electronic device to automatically move cows to the next pasture. It can be set up the same morning or the day before.

What doesn’t it do?

There is no electronic device that can monitor pasture’s growth and development and make management decisions for the grazing farmer. For that reason, farmers still need to walk their pastures in order to keep the best sense of their animals’ and forage availability. A Batt-Latch will be very good at doing what is programmed to do: opening the gate at the pre-set time.

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Juan Alvez
Juan comes from a two-generation pasture-based family farm in Uruguay. He obtained his BS in Agronomy in Brazil, his MS in Plant and Soil Science with Bill Murphy and his Ph.D. in Natural Resources at the University of Vermont. He has experienced interdisciplinary research in grazing management, agroecology, ecosystems goods and services, land use change, conservation policy, green markets, and ecological economics. His work addresses environmental, social and productive aspects of grazing farms, with emphasis on dairy management, ecosystems conservation and sustainable livelihoods in Vermont and New England. In his study, grasslands play a key role because they are complex ecosystems that sustain a vast array of functions and processes delivering benefits for supporting healthy environments and communities.


  1. I used three of these this summer on custom grazed yearlings. Was able to program and layout daily moves and only go to the pasture every third day. Most important part is training animals to go through the gate. We just put the mineral feeder infront of the gate until animals were well trained.

    • Hi Ted,

      Having a treat like a block of salt, is an excellent incentive to teach animals to go though the gate.

      Thanks for your comment.
      Juan Alvez

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