| SD + FS | standard diet + ferrous sulfate |
| SD + NGOPCMF | standard diet + non-germinated open-pan cooked millet flour |
| SD + GOPCMF | standard diet + germinated open-pan cooked millet flour |
| SD + ECMF | standard diet + extrusion-cooked millet flour |
| SCFAs | short-chain fatty acids |