Spanish translation available
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Funding provided by: UW-Extension East Metro Region Innovative Grant
Properly applying obstetrical (OB) chains to a calf’s feet and legs is an important technique to master. Watch the video below to learn how to properly apply chains so that you are prepared when the time comes to use this technique. Always consult with your veterinarian if you have any questions. Videos are available in both English and Spanish and can be accessed directly on YouTube as well. Be sure to subscribe to stay up to date on all the latest educational video podcasts.
Time: 1:19 minutes
Make a loop by threading some of the chain into the oval opening at either end. Slip the loop over the calf’s foot, above the joint. Then, make a half hitch by twisting the chain to create a loop, and wrap the loop around the area between the dew claw and hoof. Now you are pulling from two places, which makes it safer and more secure when pulling a calf. When you pull, it should bend the toe back slightly.
If you run out of room and need to reposition the chain, you can do so when the hock becomes visible. Undo the chain and reapply so that you slip the first loop above the hock. Make a half hitch by twisting the chain to create a loop and wrap the loop around the area above the calf’s foot just above the joint. Now you can pull again and you can also bring your calf jack up close.