An allogeneic or xenogeneic implant for intervertebral disc replacement includes a body. The body may include one or both of a plurality of grooves or tubular apertures. The body may be formed of partially decalcified bone. The plurality of tubular apertures may be defined within the body and be positioned to allow inflow of decalcifying solutions for rapid and uniform decalcification. After partial decalcification, the body may be pliable and compressible.