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www.benisonmedia.com  ARTICLE  significantly affects calcium   growth and metabolic   ·  specific data for Indian

 Think Grain Think Feed - Volume 11 | Issue 7 | May 2025



 processes. Adjusting their
 feed ingredients.
 availability and,
 levels according to life
 consequently, broiler health
  Lameness in broilers and
 and performance.
 factors ensures optimal
 Solubility and Particle Size
 investigated, as
 bird performance.
 supplementing more
 Limestone solubility is largely   stage and environmental   layers should be carefully
 influenced by particle size   Maintaining the correct   calcium is ineffective in
 Ca:P ratio is essential to
 and the ore source. Fine   about 99% of lameness
 particles dissolve quickly in   avoid nutrient imbalances   cases.
 the gut, releasing calcium   and maximize   ·   By focusing on these
 rapidly, which is essential for   performance.  critical minerals, poultry
 early growth stages. In   ·   Indian poultry diets are   nutritionists can unlock
 contrast, coarse particles   typically rich in calcium.   the full potential of
 dissolve more slowly,   Although adding extra   broiler diets, enhancing
 providing a sustained   calcium might seem   growth, feed efficiency,
 calcium supply over time.  beneficial, it can lead to   and profitability.
 several negative
 ·   Fine Limestone: Highly   Conclusion
 soluble, suitable for   consequences.  Optimizing calcium and
 meeting the early calcium   ·   Supplementation with   phosphorus nutrition is
 requirements of broilers.  vitamin D and its   essential for enhancing
 ·   Coarse Limestone: Less   metabolites, 25-(OH)-D    broiler performance, skeletal
 3
 and 1,25-(OH) D ,
 soluble, preferred for   2-  3  integrity, and feed utilization.
 maintaining calcium   supports avian systems,   As Indian poultry producers
 levels throughout the   particularly in calcium   and nutritionists shift
 growth cycle.  and phosphorus   towards more efficient
 metabolism, bone health,
 In India, fine limestone is   feeding strategies, it is vital
 and eggshell quality in
 predominantly used, but   to adopt precise mineral
 broilers and layers.
 incorporating more coarse   balancing by using digestible
 limestone could better   ·   The use of effective   calcium and phosphorus
 support sustained calcium   phytase enzymes helps   values and incorporating
 overcome the challenges
 supply and improve overall   phytase enzymes to improve
 bird performance.  posed by phytate-bound   phosphorus absorption.
 phosphorus in plant-  Over-supplementation of
 Role of Acid Binding
 based diets. Accurate   calcium can incur hidden
 Capacity
 application of the phytase  costs, such as impaired
 Fine-grinded limestone has a
 matrix requires analyzing   nutrient digestibility and
 high acid-binding capacity,
 the phytate content of   compromised gut health.
 meaning it can neutralize
 feed ingredients in actual   Additionally, understanding
 stomach acidity. This
 use.  the solubility and particle
 property may sometimes
 ·   The solubility and particle  size of calcium sources like
 interfere with the gut's
 size of limestone greatly   limestone can greatly
 natural digestion process,
 influence its nutritional   enhance mineral utilization.
 particularly affecting the
 efficiency and the overall   With ongoing research and
 digestion of other nutrients
 health and performance   innovation, the Indian
 such as protein and
 of broilers.  poultry industry can refine its
 phosphorus.
 ·   Global data on digestible   approach to mineral
 Key Takeaways
 calcium and phosphorus   nutrition, resulting in
 ·   Calcium and phosphorus
 are not standardized,   improved productivity,
 are foundational to
 highlighting the need for   economic efficiency, and
 broiler health, playing
 generating region-  environmental sustainability.
 critical roles in skeletal
 References are available upon request.
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