Open Access Research Paper Views (716) Download (50) The Effect Of Protease Enzyme Supplementation to Productivity Eggs Of Alabio Duck Danang Biyatmoko, Tintin Rostini Int. J. Biosci.8( 2), 203-208, February 2016. DOI: http://dx.doi.org/10.12692/ijb/8.2.202-208 Key: Alabio duckEgg productionEgg weightFCRProtease enzyme Details