Answer: Eggs belong to Group 2906 of the twenty-nine categories in the trademark registration category.
According to the "2015 Nice Classification, Tenth Edition"
Class 29
Meat, fish, poultry and game; gravy; pickled, frozen, dried Prepared and cooked fruits and vegetables; jellies, jams, preserves; eggs; milk and milk products; edible oils and fats.
Group 2906 eggs specifically include:
Egg white 290012, egg yolk 290064, egg* 290086, egg powder 290087, edible snail egg 290139
※Salted egg C290066, Preserved eggs (preserved eggs) C290067, quail eggs C290068