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
Low Level of Dietary Organic Trace Minerals Improved Egg Quality and Modulated the Status of Eggshell Gland and Intestinal Microflora of Laying Hens During the Late Production Stage
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Veterinary Science"
DOI: 10.3389/fvets.2022.920418
Abstract: This study aimed to investigate the effects of dietary organic trace minerals on egg quality and intestinal microflora of laying hens during the late production stage. In total, 1,080 Jinghong-1 laying hens aged 57 weeks… read more here.
Keywords: eggshell; hens late; trace minerals; trace ... See more keywords