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Effects of feeds, supplemented with humic substances and calcium carbonate, on performance, egg quality and heart rate variability in laying hens
This study aimed to determine the effects of in-feed inclusion of humic substances (HS) and/or calcium carbonate (CaCO(3)) on the performance and welfare of laying hens. A total number of 144 Hy-Line Brown laying hens (55 weeks old) were randomly assigned to four treatments, T1–T4 (36 birds per trea...
Autores principales: | Sanmiguel, Rosa Angélica, Dedousi, Anna, López, Juan David, Sierra, Daniel Andrey, Sossidou, Evangelia Nikolaus |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Urmia University Press
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9840800/ https://www.ncbi.nlm.nih.gov/pubmed/36686871 http://dx.doi.org/10.30466/vrf.2022.533902.3210 |
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