Chemuniqué is proud to present at the 2022 PSA Annual Meeting

2022 PSA Annual Meeting

This year’s Poultry Science Association (PSA) Annual Meeting is the first in-person meeting in two years and offers attendees exposure to the latest science and research within the poultry science field. The 2022 PSA Annual Meeting is being held in San Antonio, Texas from 11–14 July 2022. Presentation by Kyle Venter Make sure you don’t…

The rocky relationship between limestone solubility and phytase efficacy

poultry

It is well known that limestone is used as a major source of inorganic calcium (Ca) in commercial poultry diets, as well as microbial phytase to improve phosphorus (P) and Ca utilisation, and to reduce P excretion into the environment.  The efficacy of commercial microbial phytase to degrade phytate (myo-inositol hexakisphosphate, or IP6) in the…

The benefits of measuring calcium digestibility from raw materials in poultry

limestone variation

Abstract To date, poultry diets have been formulated to meet estimated requirements for total calcium (Ca), while frequently also maintaining a specified ratio of total Ca to available phosphorus (AvP). In vegetable-based diets, limestone can contribute in excess of 50% and 90% of dietary Ca in broiler and layer diets, respectively. In laying hens, it…

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…

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