| ReturnTo Theme-Group-Choice | Onelevelup |
| 2B005 | Feed for specific animals | |
| A23K50/00 -50/10;50/20-50/90 | ||
| A23K50/40-50/48;50/60 | AA | AA00 PET FEED |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | ||
| . Specified moisture content | . . Dry feed | . . Semi-moist feed | . . Wet feed | . Moisture contents not specified | . . Additives | . Toys | . Added flavorings | |||||
| A23K50/10;50/60 | BA | BA00 RUMINANT FEED |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 |
| . Cattle | . . Feed for fattening meat cattle | . . Milk cows | . . Feed for nursing periods | . Ruminants other than cattle | . Additives | . Specific additive agents | . . Amino acids and derivatives thereof | . . Minerals | . Stress reduction | A23K50/70 | CA | CA00 BIRD FEED |
| A23K50/75 | DA | DA00 POULTRY FEED |
DA01 | DA02 | DA03 | DA04 | DA05 | |||||
| . Chickens | . . Egg-laying chickens | . . Fattening of chickens for meat | . . Breeding | . Poultry other than chickens | ||||||||
| DA21 | ||||||||||||
| . . . Raising | ||||||||||||
| A23K50/00;50/20-50/30;50/50-50/60;50/90 | EA | EA00 OTHER ANIMALS |
EA01 | EA02 | EA03 | EA04 | ||||||
| . Pigs | . Horses | . Insects | . Others | |||||||||
| EA11 | EA12 | |||||||||||
| . . Fattening | . . Lacteal | |||||||||||
| A23K50/90 | FA | FA00 SILKWORMS |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | FA10 |
| . Artificial feed | . . Treatments | . . . Mulberry leaves | . . Ingredients | . . . Grains | . . Humidity adjustment | . . Food additives | . . . Compounds | . . . Plants | . . . Bacteria and yeast | |||
| FA11 | ||||||||||||
| . Devices | ||||||||||||
| A23K50/80 | GA | GA00 FISH |
GA01 | GA02 | GA03 | GA04 | GA05 | GA06 | GA07 | GA08 | GA09 | |
| . Saltwater | . Freshwater | . Aquarium fish | . Eels | . Young fish | . Shell | . Shellfish | . Microcytes | . Others | ||||
| HA | HA00 USES |
HA01 | HA02 | |||||||||
| . Bait | . Ground bait or fish-luring agents | |||||||||||
| JA | JA00 MODE OF USE |
JA01 | JA02 | JA03 | JA04 | JA05 | ||||||
| . Live bait | . Minced bait | . Paste bait | . Solid feed | . . Foaming properties | ||||||||
| KA | KA00 TREATMENTS |
KA01 | KA02 | KA03 | KA04 | |||||||
| . Mechanical devices | . Chemical treatments | . Fermentation | . Others | |||||||||
| LA | LA00 ANIMAL MATERIALS |
LA01 | LA02 | LA03 | LA04 | LA05 | LA06 | LA07 | ||||
| . Fresh or frozen fish | . Fish powder | . Meat extracts and bone powders | . Internal organs | . Mysids and shrimps | . Oils and fats | . Others | ||||||
| LB | LB00 VEGETABLE MATERIALS |
LB01 | LB02 | LB03 | LB04 | LB05 | LB06 | LB07 | ||||
| . Grains | . Soybeans and soybean cakes | . Starches | . Oil cakes | . Chaff and bran | . Oils and fats | . Others | ||||||
| MA | MA00 GENERAL ADDITIVES |
MA01 | MA02 | MA03 | MA04 | MA05 | MA06 | MA07 | MA08 | |||
| . Amino acids | . . Specific amino acids | . Vitamins | . . Specific vitamins | . Inorganic substances and minerals | . . Micro-metals | . . Non-metallic ingredients | . Fermented products | |||||
| MB | MB00 SPECIAL ADDITIVES |
MB01 | MB02 | MB03 | MB04 | MB05 | MB06 | MB07 | MB08 | MB09 | ||
| . Antibiotic substances | . Microorganisms and yeast | . Enzymes | . Steroids and hormones | . Algae | . Coloring or dyeing agents | . Medicines | . Attractants (i.e., substances that make food more enticing) | . Others | ||||
| MC | MC00 VISCOSITY AGENTS |
MC01 | MC02 | MC03 | MC04 | MC05 | MC06 | |||||
| . Alpha starch | . Flour gluten | . Alginic acid | . Gums | . Synthetic polymers | . Others | |||||||
| NA | NA00 BAITS OR FISH-LURING AGENTS |
NA01 | NA02 | NA03 | NA04 | NA05 | NA06 | NA07 | NA08 | NA09 | NA10 | |
| . Animal ingredients | . . Annelids | . . Larvae of insects | . . Fish, fish powder, and extracts | . . Internal organs | . . Mysids and shrimp | . Vegetable ingredients | . . Grains | . . Oil cakes | . . Chaff and bran | |||
| NA11 | NA12 | NA13 | NA14 | NA15 | NA16 | NA17 | NA18 | NA19 | NA20 | |||
| . Oils and fats | . Amino acids | . Inorganic substances | . Coloring agents and optical reflection agents | . Caking agents | . Other ingredients | . Feed modes | . . Live bait | . . Paste bait | . . Solid bait | |||
| NA21 | ||||||||||||
| . . Ground bait |