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Abstract: An experiment was conducted to compare the effect of different levels from an organic source of zinc (Zn proteinate) supplementation (0, 4, 8 and 12 mg day-1) in intestinal development of Coturnix coturnix japonica. Four hundred one day old quail chicks were used, which were randomly assigned for treatments. Every third day 10% was humanely sacrificed and the gizzard, pancreas, liver, intestine (separated in segments) and the bursa of Fabricius were removed and wet measured and weighted. In general, Zn supplementation had no effect (p>0.05) on any of the parameters assessed, only the age had an important effect in those. These results suggest that no extra mineral Zn is needed for the intestinal and related organ development in the quail.