Effects of Addition of Compound Enzyme to Daily Diets with Different Levels of Metabolizable Energy on Laying Performance and Blood Biochemical Indicators of Layers

Effects of Addition of Compound Enzyme to Daily Diets with Different Levels of Metabolizable Energy on Laying Performance and Blood Biochemical Indicators of Layers Animal Husbandry and Feed Science . 2016, (11): 43 -43 . DOI: 10.12160/j.issn.1672-5190.2016.11.014