Effects of dietary Bacillus subtilis supplementation and calcium levels on performance and eggshell quality of laying hens in the late phase of production
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DOI: 10.1016/j.psj.2020.12.067
Abstract: The objective of this study was to evaluate the effects of dietary Bacillus subtilis supplementation and calcium (Ca) levels on performance, eggshell quality, intestinal morphology, and relative calbindin-D28k (CALB1) mRNA level of laying hens in… read more here.
Keywords: subtilis supplementation; laying hens; level; eggshell quality ... See more keywords