A HUMAN NECESSITIES
A01 AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
A01K ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
2217/00 Genetically modified animals
A01K2217/07 Animals genetically altered by homologous recombination
A01K2217/072 maintaining or altering function, i.e. knock in