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Effects of organic selenium and zinc on the aging process of laying hens

Effects of organic selenium and zinc on the aging process of laying hens.jpg
The objective of the study was to determine whether supplementing the diets of post-molted hens with organic selenium (Se) (Sel-Plex®) and/or organic Zinc (Zn) (Bio-Plex®)1 could improve laying hen performance. Prior to molting, 120-78 wk old laying hens were separated into four treatment groups of 30 hens per treatment and were subjected to…