Slatted floor filled with sand in Canadian cow shed

Slatted floor combined with sandbeds in Canadian cow shed. This is how they do it.. By Dan Mosley, CowSignals trainer from Canada.

[richardforbes]

Must dig away end of shed to make it deep enough to drive under

[suchandradasi]

Is the sand is on their bedding and then when it gets cleaned off it goes down the slots with the manure? What do their beds look like? Are they boxes with deep sand? How deep is the sand bed?

[maximelevesque]

How they remove the sand under the slatted floor?