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Mineral requirements in ducks: an update.
1Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510000, China.
Poultry Science
|November 29, 2020
Summary
Optimizing mineral nutrition is crucial for duck growth, bone health, and reproduction. Re-evaluating mineral requirements with biomarkers is essential for modern duck breeds and breeders to enhance performance and well-being.
Area of Science:
- Animal Science
- Nutritional Biochemistry
- Poultry Science
Background:
- Mineral nutrition is vital for meat duck growth, bone mineralization, and reproductive performance in layers and breeders.
- Minerals support enzymatic systems, enhancing antioxidant capacity and immune function in ducks.
- Modern duck breeds exhibit rapid growth but may have inadequate bone development, necessitating updated nutritional strategies.
Purpose of the Study:
- To review the biological functions and metabolism of minerals in ducks.
- To explore optimal mineral feeding strategies for various duck species and production stages.
- To highlight the need for re-evaluating mineral requirements for modern duck genotypes.
Main Methods:
- Literature review of mineral metabolism, requirements, and feeding strategies in ducks.
- Analysis of the physiological roles of macroelements (e.g., calcium, phosphorus) and microelements (e.g., zinc, selenium).
- Discussion of factors influencing mineral bioavailability, including antinutritional factors and supplemental enzymes.
Main Results:
- Established roles of key minerals in duck physiology and production.
- Identified challenges in meeting mineral needs for rapidly growing meat ducks and breeders.
- Demonstrated benefits of high-dose microelement supplementation and organic mineral sources for ducks under stress.
Conclusions:
- Accurate mineral requirements, informed by sensitive biomarkers, are needed for modern duck breeds.
- Proper supplementation of bioavailable minerals is essential throughout all life stages.
- Developing specialized databases for mineral requirements based on genotype, environment, and diet is recommended.
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