Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.
Synonyms:
exact_synonym:
positive regulation of haemoglobin biosynthesis; positive regulation of haemoglobin biosynthetic process; positive regulation of hemoglobin anabolism; positive regulation of hemoglobin biosynthesis; positive regulation of hemoglobin formation; positive regulation of hemoglobin synthesis; up regulation of hemoglobin biosynthetic process; upregulation of hemoglobin biosynthetic process
narrow_synonym:
activation of hemoglobin biosynthetic process; stimulation of hemoglobin biosynthetic process