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Effects of Amino Acid Model and Crude Protein Levels on Performance and Blood Biochemical Indexof 22 to 72-weeks-old Hy-Line Brown Layers
杨慧 林伯全 张儒德
Chinese Agricultural Science Bulletin . 2012, (11): 15 -19 .  DOI: 10.11924/j.issn.1000-6850.2011-3803