CTM
Page 1: Introduction
Title: Effect of Feeding Chelated Minerals in Poultry Production
Presented By: K. Sushmasri
Course: PSC 792 - Credit Seminar
Page 2: Table of Contents
Sections Covered:
Introduction
Chelated minerals
Effect on growth performance
Effect on tibia quality
Effect on carcass characteristics
Effect on excretion level of minerals
Conclusion
Page 3: Introduction
Animal diets typically utilize inorganic salts for trace elements.
Inorganic trace minerals present risks:
Form insoluble complexes with phytic phosphorus.
Exhibit low digestibility.
Lead to environmental pollution via excretion (Saleh et al., 2019).
Inorganic minerals attract water and can cause feed caking.
Page 4: Mineral Ingested Through Feed
Enhanced solubilization of minerals occurs in the proventriculus (acidic pH).
Solubilized metals may form insoluble precipitates in the gut.
Active ligands like phytic acid can enhance precipitate formation.
Mineral transport is facilitated via protein carriers; competition exists between different metals (e.g., Iron and Copper).
Page 5: Inorganic Minerals Competing for Carrier Proteins
Diagram illustrates competition among various minerals (e.g., Mn2+, Fe2+, Zn2+).
Importance: Watch for competing nutrients that affect absorption efficacy.
Page 6: Chelated Minerals
Definition: The term “chelate” coined by Morgan and Drew (1920).
Purpose: Enhance bioavailability of minerals for metabolic functions (Ammerman et al., 1995).
Page 7: Importance of Chelated Trace Minerals
Enhance profitability through better absorption and utilization in poultry diets.
Compared with inorganic minerals, chelated minerals may facilitate absorption via amino acid transporters.
Page 8: Absorption of Chelated Minerals
Greater absorption efficiency using amino acid transporters.
Functions as antagonists that hinder absorption when competing against inorganic forms.
Page 9: Mechanism of Chelation
Chelation promotes solubility and efficient transport through cell membranes (Miles and Henry, 1999).
Organically complexed minerals can reduce levels in broiler diets without performance detriment (various studies cited).
Page 10: Mineral Absorption Schematic
Schematic representation of mineral status in the gastrointestinal tract, reflecting how chelated minerals reach blood circulation compared to inorganic metals.
Shows possible outcomes:
Excretion directly.
Interaction with antioxidants leading to excretion.
Effective absorption into the bloodstream.
Re-entering the intestinal lumen due to competitive interactions.
Page 11: Resilience of Chelated Zinc
Zinc sources studied: Chelated zinc resistant against dietary phytic acid and calcium impacts.
Varied effects on blood, liver, and tibia zinc levels demonstrated.
Page 12: Bioavailability Studies
Graphs and data exhibit bioavailability comparisons of different zinc sources in broilers.
Results indicate higher bioavailability of chelated zinc vs. other sources.
Page 13: Effects of Experimental Treatments
Varied treatments impacting minerals' absorbance in broiler diets demonstrate varying efficiencies.
Tables indicating percent absorption percentages.
Page 14: Performance Results
Various experiments indicated improvements in body weight gain, feed intake, and overall efficiency when using chelated mineral diets.
Page 15: Results from Poultry Studies
Study findings showcasing feed intake and egg production metrics relative to zinc levels and treatments.
Page 16: Summary of Broiler Performance
Control results compared to treatments emphasize growth and efficiency ratios across experimental groups.
Page 17: Compliance with Organic Standards
Recommendations for trace minerals supplementation for optimal poultry performance.
Page 18: Additional Experiment Findings
Emphasizes performance metrics of different trace mineral compounds in multiple broiler experiments.
Page 19: Effect on Tibial Composition
Detailed measurements of tibia parameters concerning different mineral treatments.
Page 20: Broiler Tibia Assessments
Continued exploration of tibia quality metrics across treatments.
Page 21: Summary of Findings
Aggregated data presented across multiple experiments demonstrating chelated minerals benefits.
Page 22: Conclusion
Feeding chelated minerals even at lower levels can enhance growth and carcass quality.
Reduced mineral excretion levels noted with organic sources.
Page 23: References
Cited studies and authors that support the findings discussed throughout the document.
Page 24: Acknowledgements
Recognizing contributors and institutions in the research and presentation.