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Weighing and Drafting

Weighing Systems


EID Weigh Crate

When you use a weigh crate equipped with a Shearwell Static Reader, antenna and electronic weigh scales, animals are identified fast and weights recorded accurately without any manual input. The animal ID and weights are sent by Bluetooth to the Shearwell Stock Recorder.

The sheep weigh crate has been designed to maximise read efficiency by reducing areas that could cause interference. In trials, 400 more sheep per hour could be weighed and recorded using an electronic weigh crate fitted with a static reader than could be read and recorded manually.

The weigh crate is fitted with a Race Reader, antenna and switcher for fast, accurate automatic identification. It reads all ISO-compliant tags and boluses.

Other weighing systems use the weigh head itself to capture, display and download weight data to a PC. The Shearwell Stock Recorder is far more versatile as it will capture and record all of the information required for management of stock, including the weights. It also allows the user to look up information on animals and record comments against them. 8 week weights, 20 week weights and wean weights can also be recorded.

Together with the Handheld Stock Recorder, the weigh crate can also be used to record movements, treatments, tupping, and adding animals into management groups. Multiple actions can be recorded with one read – weighing, recording a treatment and recording a movement, for example. 

FarmWorks by Shearwell Data uses this weight data to help you identify the most productive and efficient stock. You can generate weight gain reports to help compare dams, sires, breeds, management groups or the source of the stock.






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EID Weigh Crate with race


Automatic Drafting Systems

Shearwell systems allow you to draft out animals based on any saved criteria as well as by the animal’s current weight. The 'in' gate and the multiple 'out' gates are all fully pneumatically-controlled to provide the ultimate in automatic drafting.

Shearwell Data has developed this system using the Handheld Stock Recorder and FarmWorks by Shearwell Data to enable the farmer to identify and draft animals easily. You can draft animals by weight, management group, gender, health problems and breed. And there are many other ways in which animals can be drafted to enable productive animals, or animals with health problems to be selected automatically. These options include the ability to select ewes by the number of lambs produced or by selecting lambs that were one of a double etc.

Shearwell Automatic Drafting Crate

Automatic Drafting Crate

Automatic Drafting Crate in use

Drafts are set up on FarmWorks by Shearwell Data and downloaded onto the Handheld Stock Recorder. This communicates with the race reader, the weigh head and the drafting controller by Bluetooth (wirelessly) and sends the commands to the drafting controller to open and close the relevant gates when a tag is read. Sheep can also be drafted by weight after setting up the parameters on the Handheld Stock Recorder.

The drafting crate runs off a compressor and can be powered by mains electricity or by a generator. The reader will read all types of ISO-compliant tags and boluses.

The crate can be supplied running from either left or right to suit your requirements.

Give us a call for more details on 01643 841611.

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Hand Drafting System - 'U Draft'

Shearwell has also developed a low cost drafting system based on the Stock Recorder. This unit uses Bluetooth to connect to a race reader and to Bluetooth enabled earphones. As each animal enters the race, it is identified through its EID. The handheld then sends an audible instruction to the operator who then controls manual gates in the existing race system to direct animals out of the appropriate gate

The handheld unit can be set up to direct each animal out of any of three gates based on any saved information such as animal breed, age, sex, breeding performance etc.

This low cost system enables you to draft out animals based on any saved criteria without the outlay of a fully automatic drafting system.

Manual drafting using instructions spoken
by the Stock Recorder




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