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Low-calcium diets enhance phytate-phosphorus availability.

H Fisher1

  • 1Rutgers University, New Brunswick, NJ 08903.

Nutrition Reviews
|June 1, 1992
PubMed
Summary
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In chickens, reduced dietary calcium and increased cholecalciferol reversed negative effects of phytate-phosphorus. This finding may improve phosphorus utilization in animal feed, especially in developing nations.

Area of Science:

  • Animal Nutrition
  • Poultry Science
  • Nutrient Metabolism

Background:

  • Phytate-phosphorus is a major anti-nutritional factor in plant-based animal feeds.
  • Low inorganic phosphorus diets can negatively impact animal growth and health.
  • Efficient phosphorus utilization is crucial for sustainable animal agriculture.

Purpose of the Study:

  • To investigate methods for mitigating the negative effects of phytate-phosphorus in chicken diets.
  • To determine the impact of dietary calcium and cholecalciferol on phosphorus bioavailability.
  • To explore strategies for improving phosphorus nutrition in poultry.

Main Methods:

  • Feeding trials with chickens on low inorganic phosphorus diets.
  • Manipulation of dietary calcium levels.

Related Experiment Videos

  • Supplementation with cholecalciferol (Vitamin D3).
  • Assessment of growth performance and phosphorus indicators.

    • Main Results:

    • The negative effects of phytate-phosphorus were completely reversed by reducing dietary calcium and increasing cholecalciferol.
    • Additive effects of these dietary modifications significantly improved phosphorus utilization.
    • Chickens fed the modified diet showed restored growth and health parameters.

    Conclusions:

    • Dietary adjustments involving calcium and cholecalciferol can effectively overcome phytate-phosphorus challenges in chickens.
    • This approach offers a viable strategy for enhancing phosphorus nutrition in poultry.
    • Findings support the potential for increased use of plant phosphorus sources in animal feed, particularly in resource-limited regions.