ABSTRACT
The effect of supplementation of crude extract from Curcuma longa L. in layer hen rearing
under different cage density was conducted using 3 x 2 factorial designs. There were two factors
of interest, namely the level of crude extract from Curcuma longa L. containing 0, 50 and 100 mg
of curcuminoid per kg of feed and the cage density of laying hen with 2 and 3 hens per cage
(space density were 600 and 400 cm2/hen, respectively). Three hundred, 18 weeks old, Hisex
Brown pullets were separated into 5 replicates with 4 cages each and housed in an evaporative
cooling house. The egg production and quality were recorded for 5 periods with 28 days per
period. The result showed that the higher cage density of laying hen significantly decreased daily
feed intake per hen, hen-day egg production, hen-housed egg production, livability and egg mass
(P