One hundred sixty 10-day-old male Japanese quail chicks
were obtained from a commercial hatchery. Quails with
similar initial weight (75.64±2 g), were randomly divided
into four groups of 16 cages (cage dimensions: 50 cm
wide×50 cm long×40 cm high) in a curtain-sided house.
Four replicate pens of 10 birds per pen were allotted for
each dietary treatment group. During the 32 days experi