Live animals, namely, rodents for laboratory research; live animals, namely, rodents recovered from cryopreserved material; live animals, namely, genetically engineered rodents; live animals, namely, rodents lacking one or more antibody receptor; live animals, namely, mice for laboratory research; live animals, namely, mice recovered from cryopreserved material; live animals, namely, genetically engineered mice; live animals, namely, mice lacking one or more antibody receptor