Article
Quantitative genetic analyses of traits related to calcium and phosphorus metabolism in two different laying hen strains.
Genetics, selection, evolution : GSE - 21 Jul 2026
Haas Valentin P, Schmid Markus, Sommerfeld Vera, Camarinha-Silva Amélia, Feger Martina, Föller Michael, Huber Korinna, Oster Michael, Ponsuksili Siriluck, Seifert Jana, Wimmers Klaus, Bennewitz Jörn, Rodehutscord Markus
Abstract excerpt
BACKGROUND: Phosphorus (P) and calcium (Ca) are essential minerals for laying hens. Phosphorus in plant feeds is mainly stored as phytate and needs to be released by the enzyme phytase. Due to the high requirement of Ca, laying hens exhibit limited endogenous phytate degradation and thus plant-P is available to a limited extent. Mineral P supplemented to laying hen feed reduces phytate degradation further and...
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