Patent ID: 8156897

Claim:
A method enabling termination of living biota after passage of a pre-established extended period of time, comprising: providing at least one apparatus for delivering at least one payload, said apparatus comprising: non-biodegradable packaging biocompatible with said biota and enclosing said at least one payload separated from contact with said biota by said packaging; and bioerodible material that both times and facilitates delivery of said payload, pre-specifying wherein said bioerodible material to bioerode after said passage of a pre-established extended period of time, wherein allowing said bioerodible material to erode releases said at least one payload, and wherein said bioerodible material is incorporated entirely in said apparatus; and implanting said apparatus under an external surface of said biota, and providing said biota as triploid grass carp ( Ctenopharyngodon idella ); and wherein said termination occurs with no further action required.