Investigating iCa in commercial laying hens

limestone grit in layer feed

Abstract Blood ionised calcium (iCa) is an indication of the calcium (Ca) that is physiologically active and available for the hen to utilise for bone remodeling and eggshell formation. A study was conducted to determine the effects of limestone particle size and phytase added to diets, on changes in blood iCa following oviposition (OP). Amberlink…