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Calcium Nutrition of Broilers: Current Perspectives and Challenges.
Laura Shiromi David1, M Naveed Anwar1,2, M Reza Abdollahi1
1Monogastric Research Centre, School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealand.
Animals : an Open Access Journal From MDPI
|May 27, 2023
Summary
Oversupply of calcium (Ca) is a growing concern in broiler diets, impacting poultry nutrition. Recent research focuses on digestible Ca and its interaction with phosphorus (P) for optimal broiler growth.
Area of Science:
- Poultry Nutrition
- Animal Science
- Nutrient Metabolism
Background:
- Calcium (Ca) is vital for poultry skeletal development, with 99% in bones.
- Oversupply of Ca, not deficiency, is the current challenge in commercial broiler diets.
- The shift to digestible phosphorus (P) necessitates re-evaluating digestible Ca due to their interrelationship.
Purpose of the Study:
- To review recent advances in calcium nutrition for broilers.
- To discuss the interplay between calcium and phosphorus in poultry.
- To cover homeostatic control, Ca sources, and digestibility factors.
Main Methods:
- Review of current scientific literature on calcium and phosphorus metabolism in poultry.
- Analysis of data on ileal digestibility of Ca and P in feed ingredients.
- Examination of preliminary data on digestible Ca and P requirements at different broiler growth stages.
Main Results:
- Established the critical role of calcium in poultry skeletal health.
- Highlighted the emerging issue of calcium oversupply in broiler feed formulations.
- Presented data on Ca and P ileal digestibility and requirements.
Conclusions:
- Re-evaluation of calcium nutrition is essential in modern broiler diets.
- Understanding Ca and P interactions is key for optimizing poultry growth and health.
- Further research into Ca sources and digestibility factors is warranted for improved feed formulations.
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