. . after cutting critter - with ProPride Professional Cleanser (more vicious than Comet and it doesn't stain stuff green) which contains copious chlorine bleach.
A number of studies have been made between plastic and wood cutting boards for bacterial contamination. Under the same conditions and with the same cleaning methods wood may hold a slight edge over plastic but the results are too close to be conclusive.
In California, commercial butchers use plastic because of the requirement to clean with live steam which would be hard on wood butcher blocks.