Rabbitry Urine Management in concrete floor rabbitry

[3TAC]

Rabbitry has solid concrete floor.
Hanging cages used without pans.

Would it be better to:
A) Use a sloped metal sheet between the cages and the floor to direct the urine and manure to a collection point and empty daily.
--or--
B) Put several inches of woodchips on the floor to absorb the urine and replace regularly?
--or--
C) Just use pans underneath.
--or--
D) Consider using a different building that has a dirt floor.

 

[tambayo]

1. seal the floor with a special coating or lay down some kind of vinyl plastic carpet material.
2. use pans underneath.
Or indeed pick a building with a dirt floor.