Newport Gwent Dragons lock Luke Charteris is also a replacement after flying in to replace Davies in the squad after the Cardiff Blue chipped a bone in his neck against the Canucks.
Consumers who wish to exercise extra caution can follow the advice presented by the Web-based consumer advocacy group Consumeraffairs.com, which advises the avoidance of brains, neck bones and beef cheeks, bone marrow and cuts of beef that are sold on the bone.